[INFO] fetching crate ouroboros 0.14.2...
[INFO] testing ouroboros-0.14.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate ouroboros 0.14.2 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate ouroboros 0.14.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ouroboros 0.14.2
[INFO] finished tweaking crates.io crate ouroboros 0.14.2
[INFO] tweaked toml for crates.io crate ouroboros 0.14.2 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b5c79a537d4251e198df9d9ffc29e7862561306689352b357b8611be0ecc15a
[INFO] running `Command { std: "docker" "start" "-a" "2b5c79a537d4251e198df9d9ffc29e7862561306689352b357b8611be0ecc15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5c79a537d4251e198df9d9ffc29e7862561306689352b357b8611be0ecc15a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5c79a537d4251e198df9d9ffc29e7862561306689352b357b8611be0ecc15a", kill_on_drop: false }`
[INFO] [stdout] 2b5c79a537d4251e198df9d9ffc29e7862561306689352b357b8611be0ecc15a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cab83a5ac19481ca014338d06de711c14b8291d2039b4b867601f83e9d49801a
[INFO] running `Command { std: "docker" "start" "-a" "cab83a5ac19481ca014338d06de711c14b8291d2039b4b867601f83e9d49801a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling ouroboros_macro v0.14.2
[INFO] [stderr]    Compiling ouroboros v0.14.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.86s
[INFO] running `Command { std: "docker" "inspect" "cab83a5ac19481ca014338d06de711c14b8291d2039b4b867601f83e9d49801a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cab83a5ac19481ca014338d06de711c14b8291d2039b4b867601f83e9d49801a", kill_on_drop: false }`
[INFO] [stdout] cab83a5ac19481ca014338d06de711c14b8291d2039b4b867601f83e9d49801a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 963b26461d068547cd75a06979938d85ee74da645896f5ef1835a7f19b7e1421
[INFO] running `Command { std: "docker" "start" "-a" "963b26461d068547cd75a06979938d85ee74da645896f5ef1835a7f19b7e1421", kill_on_drop: false }`
[INFO] [stderr]    Compiling ouroboros v0.14.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "963b26461d068547cd75a06979938d85ee74da645896f5ef1835a7f19b7e1421", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963b26461d068547cd75a06979938d85ee74da645896f5ef1835a7f19b7e1421", kill_on_drop: false }`
[INFO] [stdout] 963b26461d068547cd75a06979938d85ee74da645896f5ef1835a7f19b7e1421
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2481acfc29fd645be422d03d1018a1cccbc1b3afbc74e26dc6a948d56e49548
[INFO] running `Command { std: "docker" "start" "-a" "b2481acfc29fd645be422d03d1018a1cccbc1b3afbc74e26dc6a948d56e49548", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ouroboros-4fc9082d47944451)
[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] [stderr]    Doc-tests ouroboros
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - self_referencing (line 168) ... ignored
[INFO] [stdout] test src/lib.rs - self_referencing (line 94) ... ok
[INFO] [stdout] test src/lib.rs - self_referencing (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b2481acfc29fd645be422d03d1018a1cccbc1b3afbc74e26dc6a948d56e49548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2481acfc29fd645be422d03d1018a1cccbc1b3afbc74e26dc6a948d56e49548", kill_on_drop: false }`
[INFO] [stdout] b2481acfc29fd645be422d03d1018a1cccbc1b3afbc74e26dc6a948d56e49548