[INFO] fetching crate coercion 0.1.0...
[INFO] testing coercion-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate coercion 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate coercion 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coercion 0.1.0
[INFO] finished tweaking crates.io crate coercion 0.1.0
[INFO] tweaked toml for crates.io crate coercion 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c27bba85aa45fa0bf65ed93b99445ad1cbee1a4992ef0e351f0a46171985be6
[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" "1c27bba85aa45fa0bf65ed93b99445ad1cbee1a4992ef0e351f0a46171985be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c27bba85aa45fa0bf65ed93b99445ad1cbee1a4992ef0e351f0a46171985be6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c27bba85aa45fa0bf65ed93b99445ad1cbee1a4992ef0e351f0a46171985be6", kill_on_drop: false }`
[INFO] [stdout] 1c27bba85aa45fa0bf65ed93b99445ad1cbee1a4992ef0e351f0a46171985be6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39cc0b2f98a7c8c5e08ea3cf0b3342e9cf07704085e4b8fb8e22f0d5e8aaf78a
[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" "39cc0b2f98a7c8c5e08ea3cf0b3342e9cf07704085e4b8fb8e22f0d5e8aaf78a", kill_on_drop: false }`
[INFO] [stderr]    Compiling coercion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "39cc0b2f98a7c8c5e08ea3cf0b3342e9cf07704085e4b8fb8e22f0d5e8aaf78a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39cc0b2f98a7c8c5e08ea3cf0b3342e9cf07704085e4b8fb8e22f0d5e8aaf78a", kill_on_drop: false }`
[INFO] [stdout] 39cc0b2f98a7c8c5e08ea3cf0b3342e9cf07704085e4b8fb8e22f0d5e8aaf78a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b77f1aee139604282758d4cd7929eb46941c298d5f9a2e19db60cfcd8c46a870
[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" "b77f1aee139604282758d4cd7929eb46941c298d5f9a2e19db60cfcd8c46a870", kill_on_drop: false }`
[INFO] [stderr]    Compiling coercion v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "b77f1aee139604282758d4cd7929eb46941c298d5f9a2e19db60cfcd8c46a870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b77f1aee139604282758d4cd7929eb46941c298d5f9a2e19db60cfcd8c46a870", kill_on_drop: false }`
[INFO] [stdout] b77f1aee139604282758d4cd7929eb46941c298d5f9a2e19db60cfcd8c46a870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.49.0" "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] c73c2a88cec7cdbb10b49bd223625ee9eebac5f8325bcae16ea3e7c05ce7adb2
[INFO] running `Command { std: "docker" "start" "-a" "c73c2a88cec7cdbb10b49bd223625ee9eebac5f8325bcae16ea3e7c05ce7adb2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/coercion-5f82240f7e1c2eae
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test as_::tests::boxed_str_to_u8 ... ok
[INFO] [stdout] test coerce::tests::boxed_slice_coercion ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test coerce::tests::box_coercion ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coercion
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/as_.rs - as_::As::as_ (line 11) ... ok
[INFO] [stdout] test src/coerce.rs - coerce::Coerce::coerce (line 33) ... ok
[INFO] [stdout] test src/lib.rs - (line 24) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c73c2a88cec7cdbb10b49bd223625ee9eebac5f8325bcae16ea3e7c05ce7adb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c73c2a88cec7cdbb10b49bd223625ee9eebac5f8325bcae16ea3e7c05ce7adb2", kill_on_drop: false }`
[INFO] [stdout] c73c2a88cec7cdbb10b49bd223625ee9eebac5f8325bcae16ea3e7c05ce7adb2