[INFO] fetching crate tiff-encoder 0.3.2...
[INFO] testing tiff-encoder-0.3.2 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate tiff-encoder 0.3.2 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate tiff-encoder 0.3.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tiff-encoder 0.3.2
[INFO] finished tweaking crates.io crate tiff-encoder 0.3.2
[INFO] tweaked toml for crates.io crate tiff-encoder 0.3.2 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bbff3c1ee3e0dd27b94d0170fc80b64fe3aa17b362dff888ef09ae6664f9829
[INFO] running `Command { std: "docker" "start" "-a" "3bbff3c1ee3e0dd27b94d0170fc80b64fe3aa17b362dff888ef09ae6664f9829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bbff3c1ee3e0dd27b94d0170fc80b64fe3aa17b362dff888ef09ae6664f9829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bbff3c1ee3e0dd27b94d0170fc80b64fe3aa17b362dff888ef09ae6664f9829", kill_on_drop: false }`
[INFO] [stdout] 3bbff3c1ee3e0dd27b94d0170fc80b64fe3aa17b362dff888ef09ae6664f9829
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97bcfbc00b598d589eef232861cf9222411ec1ef8bc26430ec521cd78f934a7e
[INFO] running `Command { std: "docker" "start" "-a" "97bcfbc00b598d589eef232861cf9222411ec1ef8bc26430ec521cd78f934a7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling tiff-encoder v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ifd/values.rs:56:57
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues>;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:128:57
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:255:57
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:355:57
[INFO] [stdout]     |
[INFO] [stdout] 355 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ifd/ifd.rs:99:37
[INFO] [stdout]    |
[INFO] [stdout] 99 |     entries: BTreeMap<FieldTag, Box<FieldValues>>,
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: use `dyn`: `dyn FieldValues`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:170:61
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn with_entries<C: IntoIterator<Item=(FieldTag, Box<FieldValues>)>>(mut self, entries: C) -> Self {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^ help: use `dyn`: `dyn FieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:250:37
[INFO] [stdout]     |
[INFO] [stdout] 250 |     entries: BTreeMap<FieldTag, Box<AllocatedFieldValues>>,
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:281:38
[INFO] [stdout]     |
[INFO] [stdout] 281 |         (tag, value): (FieldTag, Box<AllocatedFieldValues>),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:283:32
[INFO] [stdout]     |
[INFO] [stdout] 283 |     ) -> io::Result<Option<Box<AllocatedFieldValues>>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "97bcfbc00b598d589eef232861cf9222411ec1ef8bc26430ec521cd78f934a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bcfbc00b598d589eef232861cf9222411ec1ef8bc26430ec521cd78f934a7e", kill_on_drop: false }`
[INFO] [stdout] 97bcfbc00b598d589eef232861cf9222411ec1ef8bc26430ec521cd78f934a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1a6fe0370426790e2577d408edac070681cd46b984b383ca620bb5ff0a3916e
[INFO] running `Command { std: "docker" "start" "-a" "e1a6fe0370426790e2577d408edac070681cd46b984b383ca620bb5ff0a3916e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ifd/values.rs:56:57
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues>;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:128:57
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:255:57
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:355:57
[INFO] [stdout]     |
[INFO] [stdout] 355 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ifd/ifd.rs:99:37
[INFO] [stdout]    |
[INFO] [stdout] 99 |     entries: BTreeMap<FieldTag, Box<FieldValues>>,
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: use `dyn`: `dyn FieldValues`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:170:61
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn with_entries<C: IntoIterator<Item=(FieldTag, Box<FieldValues>)>>(mut self, entries: C) -> Self {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^ help: use `dyn`: `dyn FieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:250:37
[INFO] [stdout]     |
[INFO] [stdout] 250 |     entries: BTreeMap<FieldTag, Box<AllocatedFieldValues>>,
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:281:38
[INFO] [stdout]     |
[INFO] [stdout] 281 |         (tag, value): (FieldTag, Box<AllocatedFieldValues>),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tiff-encoder v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:283:32
[INFO] [stdout]     |
[INFO] [stdout] 283 |     ) -> io::Result<Option<Box<AllocatedFieldValues>>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ifd/values.rs:56:57
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues>;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:128:57
[INFO] [stdout]     |
[INFO] [stdout] 128 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:255:57
[INFO] [stdout]     |
[INFO] [stdout] 255 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/values.rs:355:57
[INFO] [stdout]     |
[INFO] [stdout] 355 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ifd/ifd.rs:99:37
[INFO] [stdout]    |
[INFO] [stdout] 99 |     entries: BTreeMap<FieldTag, Box<FieldValues>>,
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: use `dyn`: `dyn FieldValues`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:170:61
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn with_entries<C: IntoIterator<Item=(FieldTag, Box<FieldValues>)>>(mut self, entries: C) -> Self {
[INFO] [stdout]     |                                                             ^^^^^^^^^^^ help: use `dyn`: `dyn FieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:250:37
[INFO] [stdout]     |
[INFO] [stdout] 250 |     entries: BTreeMap<FieldTag, Box<AllocatedFieldValues>>,
[INFO] [stdout]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:281:38
[INFO] [stdout]     |
[INFO] [stdout] 281 |         (tag, value): (FieldTag, Box<AllocatedFieldValues>),
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/ifd/ifd.rs:283:32
[INFO] [stdout]     |
[INFO] [stdout] 283 |     ) -> io::Result<Option<Box<AllocatedFieldValues>>> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "e1a6fe0370426790e2577d408edac070681cd46b984b383ca620bb5ff0a3916e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1a6fe0370426790e2577d408edac070681cd46b984b383ca620bb5ff0a3916e", kill_on_drop: false }`
[INFO] [stdout] e1a6fe0370426790e2577d408edac070681cd46b984b383ca620bb5ff0a3916e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6406570313af7443bbafc222572f078eff77e9f46609bb397528b8645ca81d97
[INFO] running `Command { std: "docker" "start" "-a" "6406570313af7443bbafc222572f078eff77e9f46609bb397528b8645ca81d97", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ifd/values.rs:56:57
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues>;
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ifd/values.rs:128:57
[INFO] [stderr]     |
[INFO] [stderr] 128 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ifd/values.rs:255:57
[INFO] [stderr]     |
[INFO] [stderr] 255 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ifd/values.rs:355:57
[INFO] [stderr]     |
[INFO] [stderr] 355 |     fn allocate(self: Box<Self>, c: &mut Cursor) -> Box<AllocatedFieldValues> {
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ifd/ifd.rs:99:37
[INFO] [stderr]    |
[INFO] [stderr] 99 |     entries: BTreeMap<FieldTag, Box<FieldValues>>,
[INFO] [stderr]    |                                     ^^^^^^^^^^^ help: use `dyn`: `dyn FieldValues`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ifd/ifd.rs:170:61
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn with_entries<C: IntoIterator<Item=(FieldTag, Box<FieldValues>)>>(mut self, entries: C) -> Self {
[INFO] [stderr]     |                                                             ^^^^^^^^^^^ help: use `dyn`: `dyn FieldValues`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ifd/ifd.rs:250:37
[INFO] [stderr]     |
[INFO] [stderr] 250 |     entries: BTreeMap<FieldTag, Box<AllocatedFieldValues>>,
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ifd/ifd.rs:281:38
[INFO] [stderr]     |
[INFO] [stderr] 281 |         (tag, value): (FieldTag, Box<AllocatedFieldValues>),
[INFO] [stderr]     |                                      ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ifd/ifd.rs:283:32
[INFO] [stderr]     |
[INFO] [stderr] 283 |     ) -> io::Result<Option<Box<AllocatedFieldValues>>> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AllocatedFieldValues`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `tiff-encoder` (lib) generated 9 warnings
[INFO] [stderr] warning: `tiff-encoder` (lib test) generated 9 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tiff_encoder-12c9ff3742964cd1)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tiff-encoder
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test src/lib.rs - prelude (line 79) ... ok
[INFO] [stdout] test src/write.rs - write::ByteBlock (line 374) ... ok
[INFO] [stdout] test src/file.rs - file::TiffFile::new (line 27) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 87) ... ok
[INFO] [stdout] test src/lib.rs - prelude (line 70) ... ok
[INFO] [stdout] test src/file.rs - file::TiffFile::write_to (line 87) ... FAILED
[INFO] [stdout] test src/file.rs - file::TiffFile::with_endianness (line 60) ... ok
[INFO] [stdout] test src/write.rs - write::Datablock (line 290) ... ok
[INFO] [stdout] test src/write.rs - write::ByteBlock (line 387) ... ok
[INFO] [stdout] test src/ifd/ifd.rs - ifd::ifd::Ifd::with_entry (line 130) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/file.rs - file::TiffFile::write_to (line 87) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/file.rs:11:24
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5619bc74af00 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x5619bc74af00 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5619bc74af00 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x5619bc74af00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x5619bc764bfc - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x5619bc749385 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x5619bc74cb3b - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x5619bc74cb3b - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x5619bc74cb3b - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x5619bc74c611 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x5619bc74d204 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x5619bc74cce7 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x5619bc74b3dc - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x5619bc74cc49 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x5619bc712e31 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x5619bc712ec3 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x5619bc71532a - core::result::Result<T,E>::unwrap::h1deb4a56e17f0908
[INFO] [stdout]   17:     0x5619bc715e60 - rust_out::main::h61823b600df25383
[INFO] [stdout]   18:     0x5619bc714ef3 - core::ops::function::FnOnce::call_once::h3d07824a44777914
[INFO] [stdout]   19:     0x5619bc714909 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1ee1ba859d3174aa
[INFO] [stdout]   20:     0x5619bc714cd9 - std::rt::lang_start::{{closure}}::hee9719d6b6efb7fa
[INFO] [stdout]   21:     0x5619bc74d70a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   22:     0x5619bc74d70a - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x5619bc74d70a - std::panicking::try::h0ee8c65ac7461507
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   24:     0x5619bc74d70a - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   25:     0x5619bc74d70a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stdout]   26:     0x5619bc74d70a - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   27:     0x5619bc74d70a - std::panicking::try::hd0929f0b603e0389
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   28:     0x5619bc74d70a - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   29:     0x5619bc74d70a - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stdout]   30:     0x5619bc714cb1 - std::rt::lang_start::h0745d281d96e0cdb
[INFO] [stdout]   31:     0x5619bc715e93 - main
[INFO] [stdout]   32:     0x7fb6c2fd70b3 - __libc_start_main
[INFO] [stdout]   33:     0x5619bc71358e - _start
[INFO] [stdout]   34:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 19) stdout ----
[INFO] [stdout] Test executable failed (exit code 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }', src/lib.rs:29:27
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x556e931c8580 - std::backtrace_rs::backtrace::libunwind::trace::hff4d1766e93f64f1
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x556e931c8580 - std::backtrace_rs::backtrace::trace_unsynchronized::h56bbc8eb78770bcb
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x556e931c8580 - std::sys_common::backtrace::_print_fmt::h5c8e75464faca780
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x556e931c8580 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h48b88277def8b362
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x556e931e227c - core::fmt::write::h3381b3176fe2b3d3
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/fmt/mod.rs:1115:17
[INFO] [stdout]    5:     0x556e931c6a05 - std::io::Write::write_fmt::hd42607e5d8e44db0
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/io/mod.rs:1665:15
[INFO] [stdout]    6:     0x556e931ca1bb - std::sys_common::backtrace::_print::ha537687d6c17dd0d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x556e931ca1bb - std::sys_common::backtrace::print::h61376ae57d131d72
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x556e931ca1bb - std::panicking::default_hook::{{closure}}::h0f7208c0b9644a54
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x556e931c9c91 - std::panicking::default_hook::hdac7fc06578c14ce
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:225:9
[INFO] [stdout]   10:     0x556e931ca884 - std::panicking::rust_panic_with_hook::h72b21c283da3d1ef
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x556e931ca367 - std::panicking::begin_panic_handler::{{closure}}::he5778f1729cff84a
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x556e931c8a5c - std::sys_common::backtrace::__rust_end_short_backtrace::h2d11ca8b453b4b1d
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x556e931ca2c9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x556e93182e31 - core::panicking::panic_fmt::hf9de31d4acbce4db
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x556e93182ec3 - core::result::unwrap_failed::ha0c84e81219e5878
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/result.rs:1599:5
[INFO] [stdout]   16:     0x556e93189aba - core::result::Result<T,E>::unwrap::h1deb4a56e17f0908
[INFO] [stdout]   17:     0x556e9318ca8f - rust_out::main::h61823b600df25383
[INFO] [stdout]   18:     0x556e93188663 - core::ops::function::FnOnce::call_once::h3d07824a44777914
[INFO] [stdout]   19:     0x556e93187e09 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1ee1ba859d3174aa
[INFO] [stdout]   20:     0x556e931881d9 - std::rt::lang_start::{{closure}}::hee9719d6b6efb7fa
[INFO] [stdout]   21:     0x556e931cad8a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha88a7d1a4d24e549
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/core/src/ops/function.rs:259:13
[INFO] [stdout]   22:     0x556e931cad8a - std::panicking::try::do_call::hd3b1d7740607ccc7
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   23:     0x556e931cad8a - std::panicking::try::h0ee8c65ac7461507
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   24:     0x556e931cad8a - std::panic::catch_unwind::head47f0de4ccd838
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   25:     0x556e931cad8a - std::rt::lang_start_internal::{{closure}}::hbc7de8ec820ac085
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:48
[INFO] [stdout]   26:     0x556e931cad8a - std::panicking::try::do_call::h2609e52e8bad4a7b
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:401:40
[INFO] [stdout]   27:     0x556e931cad8a - std::panicking::try::hd0929f0b603e0389
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panicking.rs:365:19
[INFO] [stdout]   28:     0x556e931cad8a - std::panic::catch_unwind::h27902b81c3e47571
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/panic.rs:434:14
[INFO] [stdout]   29:     0x556e931cad8a - std::rt::lang_start_internal::h3fb2d794dd391e3e
[INFO] [stdout]                                at /rustc/53fd98ca776cb875bc9e5514f56b52eb74f9e7a9/library/std/src/rt.rs:45:20
[INFO] [stdout]   30:     0x556e931881b1 - std::rt::lang_start::h0745d281d96e0cdb
[INFO] [stdout]   31:     0x556e9318caf3 - main
[INFO] [stdout]   32:     0x7fcf0a2bc0b3 - __libc_start_main
[INFO] [stdout]   33:     0x556e9318358e - _start
[INFO] [stdout]   34:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/file.rs - file::TiffFile::write_to (line 87)
[INFO] [stdout]     src/lib.rs - (line 19)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 9 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "6406570313af7443bbafc222572f078eff77e9f46609bb397528b8645ca81d97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6406570313af7443bbafc222572f078eff77e9f46609bb397528b8645ca81d97", kill_on_drop: false }`
[INFO] [stdout] 6406570313af7443bbafc222572f078eff77e9f46609bb397528b8645ca81d97
