[INFO] fetching crate ctor 0.1.21...
[INFO] testing ctor-0.1.21 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ctor 0.1.21 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate ctor 0.1.21 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 ctor 0.1.21
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate ctor 0.1.21
[INFO] tweaked toml for crates.io crate ctor 0.1.21 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate ctor 0.1.21 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc-print v0.1.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0079b08d9edef10f7f3c7c6904d4ef09d6c9ca97b5e7d8adf6b623d55d372e6f
[INFO] running `Command { std: "docker" "start" "-a" "0079b08d9edef10f7f3c7c6904d4ef09d6c9ca97b5e7d8adf6b623d55d372e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0079b08d9edef10f7f3c7c6904d4ef09d6c9ca97b5e7d8adf6b623d55d372e6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0079b08d9edef10f7f3c7c6904d4ef09d6c9ca97b5e7d8adf6b623d55d372e6f", kill_on_drop: false }`
[INFO] [stdout] 0079b08d9edef10f7f3c7c6904d4ef09d6c9ca97b5e7d8adf6b623d55d372e6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 7bc7337f7a18c6c567c63bca8e88228ba750150e1df2e4b0d51b7444c3b543ba
[INFO] running `Command { std: "docker" "start" "-a" "7bc7337f7a18c6c567c63bca8e88228ba750150e1df2e4b0d51b7444c3b543ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling ctor v0.1.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "7bc7337f7a18c6c567c63bca8e88228ba750150e1df2e4b0d51b7444c3b543ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bc7337f7a18c6c567c63bca8e88228ba750150e1df2e4b0d51b7444c3b543ba", kill_on_drop: false }`
[INFO] [stdout] 7bc7337f7a18c6c567c63bca8e88228ba750150e1df2e4b0d51b7444c3b543ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 421ce1fa951918353c3fd9bf9c4e41984600ba438c6ddb38b751a21c6f7ca90d
[INFO] running `Command { std: "docker" "start" "-a" "421ce1fa951918353c3fd9bf9c4e41984600ba438c6ddb38b751a21c6f7ca90d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling libc-print v0.1.17
[INFO] [stderr]    Compiling ctor v0.1.21 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "421ce1fa951918353c3fd9bf9c4e41984600ba438c6ddb38b751a21c6f7ca90d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "421ce1fa951918353c3fd9bf9c4e41984600ba438c6ddb38b751a21c6f7ca90d", kill_on_drop: false }`
[INFO] [stdout] 421ce1fa951918353c3fd9bf9c4e41984600ba438c6ddb38b751a21c6f7ca90d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4f240980f432248d4ef931ee5df75a24973ea9d070cd45e7a3e5f7cf2cb955f9
[INFO] running `Command { std: "docker" "start" "-a" "4f240980f432248d4ef931ee5df75a24973ea9d070cd45e7a3e5f7cf2cb955f9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ctor-08c9b38ef9f51950)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ctor
[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 5 tests
[INFO] [stdout] test src/lib.rs - ctor (line 101) ... ok
[INFO] [stdout] test src/lib.rs - ctor (line 44) ... ok
[INFO] [stdout] test src/lib.rs - dtor (line 272) ... ok
[INFO] [stdout] test src/lib.rs - ctor (line 60) ... ok
[INFO] [stdout] test src/lib.rs - ctor (line 75) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f240980f432248d4ef931ee5df75a24973ea9d070cd45e7a3e5f7cf2cb955f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f240980f432248d4ef931ee5df75a24973ea9d070cd45e7a3e5f7cf2cb955f9", kill_on_drop: false }`
[INFO] [stdout] 4f240980f432248d4ef931ee5df75a24973ea9d070cd45e7a3e5f7cf2cb955f9