[INFO] fetching crate requiem-codec 0.2.0...
[INFO] testing requiem-codec-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate requiem-codec 0.2.0 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate requiem-codec 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate requiem-codec 0.2.0
[INFO] finished tweaking crates.io crate requiem-codec 0.2.0
[INFO] tweaked toml for crates.io crate requiem-codec 0.2.0 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "fetch" "--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-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dec6dda62d65f0a97799def71bc9754d80b4e4f9e6e830c5f194c49ff5eb27f
[INFO] running `Command { std: "docker" "start" "-a" "4dec6dda62d65f0a97799def71bc9754d80b4e4f9e6e830c5f194c49ff5eb27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dec6dda62d65f0a97799def71bc9754d80b4e4f9e6e830c5f194c49ff5eb27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dec6dda62d65f0a97799def71bc9754d80b4e4f9e6e830c5f194c49ff5eb27f", kill_on_drop: false }`
[INFO] [stdout] 4dec6dda62d65f0a97799def71bc9754d80b4e4f9e6e830c5f194c49ff5eb27f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1335c6fd86e5fe997323177785876ece2462438273a7f027181e186224dd7554
[INFO] running `Command { std: "docker" "start" "-a" "1335c6fd86e5fe997323177785876ece2462438273a7f027181e186224dd7554", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling requiem-codec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.45s
[INFO] running `Command { std: "docker" "inspect" "1335c6fd86e5fe997323177785876ece2462438273a7f027181e186224dd7554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1335c6fd86e5fe997323177785876ece2462438273a7f027181e186224dd7554", kill_on_drop: false }`
[INFO] [stdout] 1335c6fd86e5fe997323177785876ece2462438273a7f027181e186224dd7554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3aa78ce9f2b892cfc7853a1b789dcfd1995e8752f532b47259b08d057b0962fa
[INFO] running `Command { std: "docker" "start" "-a" "3aa78ce9f2b892cfc7853a1b789dcfd1995e8752f532b47259b08d057b0962fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling requiem-codec v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.95s
[INFO] running `Command { std: "docker" "inspect" "3aa78ce9f2b892cfc7853a1b789dcfd1995e8752f532b47259b08d057b0962fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa78ce9f2b892cfc7853a1b789dcfd1995e8752f532b47259b08d057b0962fa", kill_on_drop: false }`
[INFO] [stdout] 3aa78ce9f2b892cfc7853a1b789dcfd1995e8752f532b47259b08d057b0962fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3dbb85e6a3c03240d12b12f96e656728f5218691d825cd97352174e9a5d80a51
[INFO] running `Command { std: "docker" "start" "-a" "3dbb85e6a3c03240d12b12f96e656728f5218691d825cd97352174e9a5d80a51", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/requiem_codec-0e795db7db06f56a)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests requiem_codec
[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] [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" "3dbb85e6a3c03240d12b12f96e656728f5218691d825cd97352174e9a5d80a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dbb85e6a3c03240d12b12f96e656728f5218691d825cd97352174e9a5d80a51", kill_on_drop: false }`
[INFO] [stdout] 3dbb85e6a3c03240d12b12f96e656728f5218691d825cd97352174e9a5d80a51