[INFO] fetching crate bamrescue 0.1.0...
[INFO] building bamrescue-0.1.0 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate bamrescue 0.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate bamrescue 0.1.0 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bamrescue 0.1.0
[INFO] finished tweaking crates.io crate bamrescue 0.1.0
[INFO] tweaked toml for crates.io crate bamrescue 0.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e9352c00c0ec66230955cd0fad1a6af27bbe08c71974ec4c61bfb486061b8af
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0e9352c00c0ec66230955cd0fad1a6af27bbe08c71974ec4c61bfb486061b8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9352c00c0ec66230955cd0fad1a6af27bbe08c71974ec4c61bfb486061b8af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9352c00c0ec66230955cd0fad1a6af27bbe08c71974ec4c61bfb486061b8af", kill_on_drop: false }`
[INFO] [stdout] 0e9352c00c0ec66230955cd0fad1a6af27bbe08c71974ec4c61bfb486061b8af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2be379907164b518a350f1ed99e03d60225cbb1c89cda76933cabfb72523b835
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2be379907164b518a350f1ed99e03d60225cbb1c89cda76933cabfb72523b835", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling inflate v0.2.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling slog-async v2.6.0
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling slog-term v2.8.0
[INFO] [stderr]    Compiling bamrescue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn seek_next_block(reader: &mut Rescuable, block_position: u64) {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:178:27
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn check(reader: &mut Rescuable, fail_fast: bool, threads: usize, logger: &slog::Logger) -> Results {
[INFO] [stdout]     |                           ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:449:28
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                            ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:449:52
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_block_corrupted` is never read
[INFO] [stdout]    --> src/lib.rs:209:66
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 fail!(fail_fast, results, previous_block, false, current_block_corrupted, false, false);
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_block_corrupted` is never read
[INFO] [stdout]    --> src/lib.rs:420:62
[INFO] [stdout]     |
[INFO] [stdout] 420 |             fail!(fail_fast, results, previous_block, false, current_block_corrupted, false, false);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/lib.rs:449:15
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/lib.rs:449:39
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header_bytes`
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     header_bytes: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.39s
[INFO] running `Command { std: "docker" "inspect" "2be379907164b518a350f1ed99e03d60225cbb1c89cda76933cabfb72523b835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2be379907164b518a350f1ed99e03d60225cbb1c89cda76933cabfb72523b835", kill_on_drop: false }`
[INFO] [stdout] 2be379907164b518a350f1ed99e03d60225cbb1c89cda76933cabfb72523b835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71d75393d9882c680e628a4d3cbd0c7108ab93d550e824bf29a7f0c23ff1121b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "71d75393d9882c680e628a4d3cbd0c7108ab93d550e824bf29a7f0c23ff1121b", kill_on_drop: false }`
[INFO] [stderr]    Compiling bamrescue v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn seek_next_block(reader: &mut Rescuable, block_position: u64) {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:178:27
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn check(reader: &mut Rescuable, fail_fast: bool, threads: usize, logger: &slog::Logger) -> Results {
[INFO] [stdout]     |                           ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:449:28
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                            ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:449:52
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_block_corrupted` is never read
[INFO] [stdout]    --> src/lib.rs:209:66
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 fail!(fail_fast, results, previous_block, false, current_block_corrupted, false, false);
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_block_corrupted` is never read
[INFO] [stdout]    --> src/lib.rs:420:62
[INFO] [stdout]     |
[INFO] [stdout] 420 |             fail!(fail_fast, results, previous_block, false, current_block_corrupted, false, false);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/lib.rs:449:15
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/lib.rs:449:39
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header_bytes`
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     header_bytes: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/check.rs:11:23
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn check(reader: &mut bamrescue::Rescuable, blocks_count: u64, bad_blocks_count: u64, truncated_in_block: bool, truncated_between_blocks:...
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn bamrescue::Rescuable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:72:33
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn seek_next_block(reader: &mut Rescuable, block_position: u64) {
[INFO] [stdout]    |                                 ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:178:27
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub fn check(reader: &mut Rescuable, fail_fast: bool, threads: usize, logger: &slog::Logger) -> Results {
[INFO] [stdout]     |                           ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:449:28
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                            ^^^^^^^^^ help: use `dyn`: `dyn Rescuable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[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/lib.rs:449:52
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                                                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/main.rs:36:10
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(RustcDecodable)]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_block_corrupted` is never read
[INFO] [stdout]    --> src/lib.rs:209:66
[INFO] [stdout]     |
[INFO] [stdout] 209 |                 fail!(fail_fast, results, previous_block, false, current_block_corrupted, false, false);
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `current_block_corrupted` is never read
[INFO] [stdout]    --> src/lib.rs:420:62
[INFO] [stdout]     |
[INFO] [stdout] 420 |             fail!(fail_fast, results, previous_block, false, current_block_corrupted, false, false);
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `reader`
[INFO] [stdout]    --> src/lib.rs:449:15
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_reader`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `writer`
[INFO] [stdout]    --> src/lib.rs:449:39
[INFO] [stdout]     |
[INFO] [stdout] 449 | pub fn rescue(reader: &mut Rescuable, writer: &mut Write, logger: &slog::Logger) -> Result<(), Error> {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `header_bytes`
[INFO] [stdout]   --> src/lib.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     header_bytes: Vec<u8>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "71d75393d9882c680e628a4d3cbd0c7108ab93d550e824bf29a7f0c23ff1121b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d75393d9882c680e628a4d3cbd0c7108ab93d550e824bf29a7f0c23ff1121b", kill_on_drop: false }`
[INFO] [stdout] 71d75393d9882c680e628a4d3cbd0c7108ab93d550e824bf29a7f0c23ff1121b
