[INFO] fetching crate huffman-compress 0.6.0... [INFO] testing huffman-compress-0.6.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate huffman-compress 0.6.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate huffman-compress 0.6.0 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 huffman-compress 0.6.0 [INFO] finished tweaking crates.io crate huffman-compress 0.6.0 [INFO] tweaked toml for crates.io crate huffman-compress 0.6.0 written to /workspace/builds/worker-6/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] Downloading crates ... [INFO] [stderr] Downloaded bencher v0.1.5 [INFO] [stderr] Downloaded bit-vec v0.6.3 [INFO] [stderr] Downloaded quickcheck v0.8.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b19bdc50de70d6532dd877da2f2a8b9d13c7f17a1d973bbceaa377ab1afe2516 [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" "b19bdc50de70d6532dd877da2f2a8b9d13c7f17a1d973bbceaa377ab1afe2516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b19bdc50de70d6532dd877da2f2a8b9d13c7f17a1d973bbceaa377ab1afe2516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b19bdc50de70d6532dd877da2f2a8b9d13c7f17a1d973bbceaa377ab1afe2516", kill_on_drop: false }` [INFO] [stdout] b19bdc50de70d6532dd877da2f2a8b9d13c7f17a1d973bbceaa377ab1afe2516 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 2d472f61b058ea3c081f03e0d7b31b619f4b531a3e49fef7150c26496cdc6288 [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" "2d472f61b058ea3c081f03e0d7b31b619f4b531a3e49fef7150c26496cdc6288", kill_on_drop: false }` [INFO] [stderr] Compiling huffman-compress v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:277:14 [INFO] [stdout] | [INFO] [stdout] 277 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "2d472f61b058ea3c081f03e0d7b31b619f4b531a3e49fef7150c26496cdc6288", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d472f61b058ea3c081f03e0d7b31b619f4b531a3e49fef7150c26496cdc6288", kill_on_drop: false }` [INFO] [stdout] 2d472f61b058ea3c081f03e0d7b31b619f4b531a3e49fef7150c26496cdc6288 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 62b642c110487b0ef9e063103e8bcbbf384d0df04c7b68dff41dfc309bbe697f [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" "62b642c110487b0ef9e063103e8bcbbf384d0df04c7b68dff41dfc309bbe697f", kill_on_drop: false }` [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:277:14 [INFO] [stdout] | [INFO] [stdout] 277 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling quickcheck v0.8.5 [INFO] [stderr] Compiling huffman-compress v0.6.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/lib.rs:277:14 [INFO] [stdout] | [INFO] [stdout] 277 | self.description().fmt(f) [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | #![deny(warnings)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 4.86s [INFO] running `Command { std: "docker" "inspect" "62b642c110487b0ef9e063103e8bcbbf384d0df04c7b68dff41dfc309bbe697f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "62b642c110487b0ef9e063103e8bcbbf384d0df04c7b68dff41dfc309bbe697f", kill_on_drop: false }` [INFO] [stdout] 62b642c110487b0ef9e063103e8bcbbf384d0df04c7b68dff41dfc309bbe697f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] d805b7b5eaade141ac5929f7e508d4cd6264fce6543adaddd5e79be4bab6bf8b [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" "d805b7b5eaade141ac5929f7e508d4cd6264fce6543adaddd5e79be4bab6bf8b", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:277:14 [INFO] [stderr] | [INFO] [stderr] 277 | self.description().fmt(f) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:62:9 [INFO] [stderr] | [INFO] [stderr] 62 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stderr] --> src/lib.rs:277:14 [INFO] [stderr] | [INFO] [stderr] 277 | self.description().fmt(f) [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:62:9 [INFO] [stderr] | [INFO] [stderr] 62 | #![deny(warnings)] [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] = note: `#[warn(deprecated)]` implied by `#[warn(warnings)]` [INFO] [stdout] [INFO] [stderr] [INFO] [stdout] running 6 tests [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/huffman_compress-4750bb04f38020a8 [INFO] [stdout] test tests::test_uniform_from_static ... ok [INFO] [stdout] test tests::test_single ... ok [INFO] [stdout] test tests::test_empty ... ok [INFO] [stdout] test tests::test_uniform ... ok [INFO] [stdout] test tests::efficient_order ... ok [INFO] [stdout] test tests::encode_decode_bytes ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.19s [INFO] [stdout] [INFO] [stderr] Doc-tests huffman-compress [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - (line 14) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d805b7b5eaade141ac5929f7e508d4cd6264fce6543adaddd5e79be4bab6bf8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d805b7b5eaade141ac5929f7e508d4cd6264fce6543adaddd5e79be4bab6bf8b", kill_on_drop: false }` [INFO] [stdout] d805b7b5eaade141ac5929f7e508d4cd6264fce6543adaddd5e79be4bab6bf8b