[INFO] fetching crate rustc-hex 2.1.0...
[INFO] testing rustc-hex-2.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rustc-hex 2.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rustc-hex 2.1.0 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 rustc-hex 2.1.0
[INFO] finished tweaking crates.io crate rustc-hex 2.1.0
[INFO] tweaked toml for crates.io crate rustc-hex 2.1.0 written to /workspace/builds/worker-8/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 25f120f8a2d257a59949161d381ee2757ca728b49fffd05b189ca5d92242ca7d
[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" "25f120f8a2d257a59949161d381ee2757ca728b49fffd05b189ca5d92242ca7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25f120f8a2d257a59949161d381ee2757ca728b49fffd05b189ca5d92242ca7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25f120f8a2d257a59949161d381ee2757ca728b49fffd05b189ca5d92242ca7d", kill_on_drop: false }`
[INFO] [stdout] 25f120f8a2d257a59949161d381ee2757ca728b49fffd05b189ca5d92242ca7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] f6e3f1764734a06105ca2470a04ecb65d91acc34f3a85157e3da74932af4f4a9
[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" "f6e3f1764734a06105ca2470a04ecb65d91acc34f3a85157e3da74932af4f4a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hex v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "f6e3f1764734a06105ca2470a04ecb65d91acc34f3a85157e3da74932af4f4a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6e3f1764734a06105ca2470a04ecb65d91acc34f3a85157e3da74932af4f4a9", kill_on_drop: false }`
[INFO] [stdout] f6e3f1764734a06105ca2470a04ecb65d91acc34f3a85157e3da74932af4f4a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 5bc3846b18213eec89e926695b5199e692593eafada7889345896a83c4ac36a7
[INFO] running `Command { std: "docker" "start" "-a" "5bc3846b18213eec89e926695b5199e692593eafada7889345896a83c4ac36a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustc-hex v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "5bc3846b18213eec89e926695b5199e692593eafada7889345896a83c4ac36a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bc3846b18213eec89e926695b5199e692593eafada7889345896a83c4ac36a7", kill_on_drop: false }`
[INFO] [stdout] 5bc3846b18213eec89e926695b5199e692593eafada7889345896a83c4ac36a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 8e0e0f8a15e753c3293968a28b02fd1769c0948e479337d9a5724573b9b65a56
[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" "8e0e0f8a15e753c3293968a28b02fd1769c0948e479337d9a5724573b9b65a56", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rustc_hex-7212f7dd64ee9ae9
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::test_from_hex_ignores_whitespace ... ok
[INFO] [stdout] test tests::test_from_hex_all_bytes ... ok
[INFO] [stdout] test tests::test_from_hex_okay ... ok
[INFO] [stdout] test tests::test_to_hex ... ok
[INFO] [stderr]    Doc-tests rustc-hex
[INFO] [stdout] test tests::test_to_hex_all_bytes ... ok
[INFO] [stdout] test tests::test_from_hex_invalid_char ... ok
[INFO] [stdout] test tests::test_from_hex_odd_len ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - FromHexIter::new (line 215) ... ok
[INFO] [stdout] test src/lib.rs - [u8]::to_hex (line 35) ... ok
[INFO] [stdout] test src/lib.rs - ToHexIter<T>::new (line 65) ... ok
[INFO] [stdout] test src/lib.rs - str::from_hex (line 180) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.54s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e0e0f8a15e753c3293968a28b02fd1769c0948e479337d9a5724573b9b65a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e0e0f8a15e753c3293968a28b02fd1769c0948e479337d9a5724573b9b65a56", kill_on_drop: false }`
[INFO] [stdout] 8e0e0f8a15e753c3293968a28b02fd1769c0948e479337d9a5724573b9b65a56