[INFO] fetching crate deferrer 0.1.4...
[INFO] testing deferrer-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate deferrer 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate deferrer 0.1.4 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 deferrer 0.1.4
[INFO] finished tweaking crates.io crate deferrer 0.1.4
[INFO] tweaked toml for crates.io crate deferrer 0.1.4 written to /workspace/builds/worker-13/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2457c112d61b211de34944636ef176ef8606c715bb63ec2346726ae437793783
[INFO] running `Command { std: "docker" "start" "-a" "2457c112d61b211de34944636ef176ef8606c715bb63ec2346726ae437793783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2457c112d61b211de34944636ef176ef8606c715bb63ec2346726ae437793783", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2457c112d61b211de34944636ef176ef8606c715bb63ec2346726ae437793783", kill_on_drop: false }`
[INFO] [stdout] 2457c112d61b211de34944636ef176ef8606c715bb63ec2346726ae437793783
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 19e3e6c8b0a0571c82b626eaf3535ebb8527ad219c748b5c73151ef8b080dd11
[INFO] running `Command { std: "docker" "start" "-a" "19e3e6c8b0a0571c82b626eaf3535ebb8527ad219c748b5c73151ef8b080dd11", kill_on_drop: false }`
[INFO] [stderr]    Compiling deferrer v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "19e3e6c8b0a0571c82b626eaf3535ebb8527ad219c748b5c73151ef8b080dd11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e3e6c8b0a0571c82b626eaf3535ebb8527ad219c748b5c73151ef8b080dd11", kill_on_drop: false }`
[INFO] [stdout] 19e3e6c8b0a0571c82b626eaf3535ebb8527ad219c748b5c73151ef8b080dd11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c6fddd079e5eaa9236cc97d88a9f41d301c74cca98bf249c308d935ac98ca86f
[INFO] running `Command { std: "docker" "start" "-a" "c6fddd079e5eaa9236cc97d88a9f41d301c74cca98bf249c308d935ac98ca86f", 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] [stderr]    Compiling deferrer v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "c6fddd079e5eaa9236cc97d88a9f41d301c74cca98bf249c308d935ac98ca86f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fddd079e5eaa9236cc97d88a9f41d301c74cca98bf249c308d935ac98ca86f", kill_on_drop: false }`
[INFO] [stdout] c6fddd079e5eaa9236cc97d88a9f41d301c74cca98bf249c308d935ac98ca86f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 6fdc07bbaf2dfdc8c894ceb89d77ea7a35d7b5456f48d8e9e0765f4b3a82592d
[INFO] running `Command { std: "docker" "start" "-a" "6fdc07bbaf2dfdc8c894ceb89d77ea7a35d7b5456f48d8e9e0765f4b3a82592d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/deferrer-6366dcb604701c5b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests deferrer
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test::test_defer_function ... ok
[INFO] [stdout] test test::test_defer_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - defer (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.23s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6fdc07bbaf2dfdc8c894ceb89d77ea7a35d7b5456f48d8e9e0765f4b3a82592d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fdc07bbaf2dfdc8c894ceb89d77ea7a35d7b5456f48d8e9e0765f4b3a82592d", kill_on_drop: false }`
[INFO] [stdout] 6fdc07bbaf2dfdc8c894ceb89d77ea7a35d7b5456f48d8e9e0765f4b3a82592d