[INFO] cloning repository https://github.com/sblundy/dedup-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sblundy/dedup-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsblundy%2Fdedup-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsblundy%2Fdedup-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 190dec39a7055d96658c3ed93776500e894f63b2
[INFO] testing sblundy/dedup-cli against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsblundy%2Fdedup-cli" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sblundy/dedup-cli on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sblundy/dedup-cli
[INFO] finished tweaking git repo https://github.com/sblundy/dedup-cli
[INFO] tweaked toml for git repo https://github.com/sblundy/dedup-cli written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/sblundy/dedup-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tempfile v3.0.8
[INFO] [stderr]   Downloaded assert_fs v0.11.3
[INFO] [stderr]   Downloaded globwalk v0.5.0
[INFO] [stderr]   Downloaded globset v0.4.3
[INFO] [stderr]   Downloaded ignore v0.4.7
[INFO] [stderr]   Downloaded bstr v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2afc25ed702ad8cc30f4a950bf3ded957ee065fcbbc3a060a4752d735a0dcd5f
[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" "2afc25ed702ad8cc30f4a950bf3ded957ee065fcbbc3a060a4752d735a0dcd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2afc25ed702ad8cc30f4a950bf3ded957ee065fcbbc3a060a4752d735a0dcd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2afc25ed702ad8cc30f4a950bf3ded957ee065fcbbc3a060a4752d735a0dcd5f", kill_on_drop: false }`
[INFO] [stdout] 2afc25ed702ad8cc30f4a950bf3ded957ee065fcbbc3a060a4752d735a0dcd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18fa5cc7ffee3ba41e8727b6e4373150d79158d90b8a9a89e6711670b3d74b90
[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" "18fa5cc7ffee3ba41e8727b6e4373150d79158d90b8a9a89e6711670b3d74b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dedup-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stdin: &mut io::Read,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/lib.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout: &mut io::Write,
[INFO] [stdout]   |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:21:52
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn dedup_file_to(file_name: &str, output: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn dedup_to_file(input: &mut io::Read, file_name: &str) -> io::Result<()> {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/deduplication/mod.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stdout]   |                          ^^^^ help: use `dyn`: `dyn Read`
[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/deduplication/mod.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stdout]   |                                             ^^^^^ help: use `dyn`: `dyn Write`
[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/deduplication/mod.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |     bf: &mut io::Bytes<BufReader<&mut Read>>,
[INFO] [stdout]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.49s
[INFO] running `Command { std: "docker" "inspect" "18fa5cc7ffee3ba41e8727b6e4373150d79158d90b8a9a89e6711670b3d74b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fa5cc7ffee3ba41e8727b6e4373150d79158d90b8a9a89e6711670b3d74b90", kill_on_drop: false }`
[INFO] [stdout] 18fa5cc7ffee3ba41e8727b6e4373150d79158d90b8a9a89e6711670b3d74b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d90ac57cb8427c14c2e2d5f4aa32faa53abe86188dd19971d24ec62c307c239
[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" "2d90ac57cb8427c14c2e2d5f4aa32faa53abe86188dd19971d24ec62c307c239", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling bstr v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stdin: &mut io::Read,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/lib.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout: &mut io::Write,
[INFO] [stdout]   |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:21:52
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn dedup_file_to(file_name: &str, output: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn dedup_to_file(input: &mut io::Read, file_name: &str) -> io::Result<()> {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/deduplication/mod.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stdout]   |                          ^^^^ help: use `dyn`: `dyn Read`
[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/deduplication/mod.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stdout]   |                                             ^^^^^ help: use `dyn`: `dyn Write`
[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/deduplication/mod.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |     bf: &mut io::Bytes<BufReader<&mut Read>>,
[INFO] [stdout]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[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: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling tempfile v3.0.8
[INFO] [stderr]    Compiling globset v0.4.3
[INFO] [stderr]    Compiling predicates v1.0.1
[INFO] [stderr]    Compiling ignore v0.4.7
[INFO] [stderr]    Compiling globwalk v0.5.0
[INFO] [stderr]    Compiling assert_fs v0.11.3
[INFO] [stderr]    Compiling dedup-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/lib.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |     stdin: &mut io::Read,
[INFO] [stdout]   |                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/lib.rs:9:18
[INFO] [stdout]   |
[INFO] [stdout] 9 |     stdout: &mut io::Write,
[INFO] [stdout]   |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:21:52
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn dedup_file_to(file_name: &str, output: &mut io::Write) -> io::Result<()> {
[INFO] [stdout]    |                                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:28:34
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn dedup_to_file(input: &mut io::Read, file_name: &str) -> io::Result<()> {
[INFO] [stdout]    |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/deduplication/mod.rs:5:26
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stdout]   |                          ^^^^ help: use `dyn`: `dyn Read`
[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/deduplication/mod.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stdout]   |                                             ^^^^^ help: use `dyn`: `dyn Write`
[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/deduplication/mod.rs:36:39
[INFO] [stdout]    |
[INFO] [stdout] 36 |     bf: &mut io::Bytes<BufReader<&mut Read>>,
[INFO] [stdout]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[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: unused import: `predicates::prelude::*`
[INFO] [stdout]  --> tests/integration_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use predicates::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 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 26.90s
[INFO] running `Command { std: "docker" "inspect" "2d90ac57cb8427c14c2e2d5f4aa32faa53abe86188dd19971d24ec62c307c239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d90ac57cb8427c14c2e2d5f4aa32faa53abe86188dd19971d24ec62c307c239", kill_on_drop: false }`
[INFO] [stdout] 2d90ac57cb8427c14c2e2d5f4aa32faa53abe86188dd19971d24ec62c307c239
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48a8b1c2c28a1e5e4efd0267ac03f37047db7bb39bfec9a938f07d5d529ffad5
[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" "48a8b1c2c28a1e5e4efd0267ac03f37047db7bb39bfec9a938f07d5d529ffad5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/lib.rs:8:17
[INFO] [stderr]   |
[INFO] [stderr] 8 |     stdin: &mut io::Read,
[INFO] [stderr]   |                 ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/lib.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 |     stdout: &mut io::Write,
[INFO] [stderr]   |                  ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:21:52
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub fn dedup_file_to(file_name: &str, output: &mut io::Write) -> io::Result<()> {
[INFO] [stderr]    |                                                    ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/lib.rs:28:34
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub fn dedup_to_file(input: &mut io::Read, file_name: &str) -> io::Result<()> {
[INFO] [stderr]    |                                  ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[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/deduplication/mod.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stderr]   |                          ^^^^ help: use `dyn`: `dyn Read`
[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/deduplication/mod.rs:5:45
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn dedup(input: &mut Read, output: &mut Write) -> io::Result<()> {
[INFO] [stderr]   |                                             ^^^^^ help: use `dyn`: `dyn Write`
[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/deduplication/mod.rs:36:39
[INFO] [stderr]    |
[INFO] [stderr] 36 |     bf: &mut io::Bytes<BufReader<&mut Read>>,
[INFO] [stderr]    |                                       ^^^^ help: use `dyn`: `dyn Read`
[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: `dedup-cli` (lib) generated 7 warnings
[INFO] [stderr] warning: unused import: `predicates::prelude::*`
[INFO] [stderr]  --> tests/integration_test.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use predicates::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dedup-cli` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr] warning: `dedup-cli` (test "integration_test") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 36.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dedup_cli-d51100cedc6f5be3)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test deduplication::tests::test_two_different_lines ... ok
[INFO] [stdout] test deduplication::tests::test_two_separated_identical_lines ... ok
[INFO] [stdout] test deduplication::tests::test_empty ... ok
[INFO] [stdout] test deduplication::tests::test_single_line ... ok
[INFO] [stdout] test deduplication::tests::test_two_identical_lines ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dedup-29330ebc0ad89322)
[INFO] [stdout] test deduplication::tests::ignores_separator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-e1c464788c8d0e05)
[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 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test deduplicates_file_with_no_duplicates ... ok
[INFO] [stdout] test deduplicates_stream_to_file ... ok
[INFO] [stdout] test error_when_input_file_not_exist ... ok
[INFO] [stdout] test copies_file_with_no_duplicates_to_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dedup-cli
[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] running `Command { std: "docker" "inspect" "48a8b1c2c28a1e5e4efd0267ac03f37047db7bb39bfec9a938f07d5d529ffad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a8b1c2c28a1e5e4efd0267ac03f37047db7bb39bfec9a938f07d5d529ffad5", kill_on_drop: false }`
[INFO] [stdout] 48a8b1c2c28a1e5e4efd0267ac03f37047db7bb39bfec9a938f07d5d529ffad5