[INFO] fetching crate stego 0.1.4... [INFO] testing stego-0.1.4 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate stego 0.1.4 into /workspace/builds/worker-14/source [INFO] validating manifest of crates.io crate stego 0.1.4 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate stego 0.1.4 [INFO] finished tweaking crates.io crate stego 0.1.4 [INFO] tweaked toml for crates.io crate stego 0.1.4 written to /workspace/builds/worker-14/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c21aa7012df96fa4575d34e458cb62e0ec91d5474dece9f59604411c3a9c7079 [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" "c21aa7012df96fa4575d34e458cb62e0ec91d5474dece9f59604411c3a9c7079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c21aa7012df96fa4575d34e458cb62e0ec91d5474dece9f59604411c3a9c7079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c21aa7012df96fa4575d34e458cb62e0ec91d5474dece9f59604411c3a9c7079", kill_on_drop: false }` [INFO] [stdout] c21aa7012df96fa4575d34e458cb62e0ec91d5474dece9f59604411c3a9c7079 [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cee249ab91b37d518c8e7062e721895aec8f62e52241213d3b3fbfc776ddd61 [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" "7cee249ab91b37d518c8e7062e721895aec8f62e52241213d3b3fbfc776ddd61", kill_on_drop: false }` [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling lzw v0.10.0 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling color_quant v1.1.0 [INFO] [stderr] Compiling scoped_threadpool v0.1.9 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling inflate v0.4.5 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Compiling gif v0.10.3 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling crossbeam-epoch v0.9.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.0 [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling crossbeam-deque v0.8.0 [INFO] [stderr] Compiling png v0.14.1 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling pretty_env_logger v0.3.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling jpeg-decoder v0.1.20 [INFO] [stderr] Compiling tiff v0.2.2 [INFO] [stderr] Compiling image v0.21.3 [INFO] [stderr] Compiling stego v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut im2; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` 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 1m 11s [INFO] running `Command { std: "docker" "inspect" "7cee249ab91b37d518c8e7062e721895aec8f62e52241213d3b3fbfc776ddd61", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cee249ab91b37d518c8e7062e721895aec8f62e52241213d3b3fbfc776ddd61", kill_on_drop: false }` [INFO] [stdout] 7cee249ab91b37d518c8e7062e721895aec8f62e52241213d3b3fbfc776ddd61 [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6da81e5dce2afd6ff21ebf1e7edacc68fd7406a9e90ec563ef7d4ebc9fe654d4 [INFO] running `Command { std: "docker" "start" "-a" "6da81e5dce2afd6ff21ebf1e7edacc68fd7406a9e90ec563ef7d4ebc9fe654d4", kill_on_drop: false }` [INFO] [stderr] Compiling stego v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut im2; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:111:17 [INFO] [stdout] | [INFO] [stdout] 111 | let mut im2; [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.97s [INFO] running `Command { std: "docker" "inspect" "6da81e5dce2afd6ff21ebf1e7edacc68fd7406a9e90ec563ef7d4ebc9fe654d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6da81e5dce2afd6ff21ebf1e7edacc68fd7406a9e90ec563ef7d4ebc9fe654d4", kill_on_drop: false }` [INFO] [stdout] 6da81e5dce2afd6ff21ebf1e7edacc68fd7406a9e90ec563ef7d4ebc9fe654d4 [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=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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5b0bb58aae0c57ad0e9a8ad5b1d0c3761d1af085672021371f928bf8e4cf2adf [INFO] running `Command { std: "docker" "start" "-a" "5b0bb58aae0c57ad0e9a8ad5b1d0c3761d1af085672021371f928bf8e4cf2adf", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:111:17 [INFO] [stderr] | [INFO] [stderr] 111 | let mut im2; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:111:17 [INFO] [stderr] | [INFO] [stderr] 111 | let mut im2; [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/stego-da1705de630aad14 [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] Running /opt/rustwide/target/debug/deps/stego-23c31ee1187df746 [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] Running /opt/rustwide/target/debug/deps/common-f06e8474e1c593b3 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test encode_decode_text ... ok [INFO] [stderr] Doc-tests stego [INFO] [stdout] test encode_decode_binary ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s [INFO] [stdout] [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" "5b0bb58aae0c57ad0e9a8ad5b1d0c3761d1af085672021371f928bf8e4cf2adf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b0bb58aae0c57ad0e9a8ad5b1d0c3761d1af085672021371f928bf8e4cf2adf", kill_on_drop: false }` [INFO] [stdout] 5b0bb58aae0c57ad0e9a8ad5b1d0c3761d1af085672021371f928bf8e4cf2adf