[INFO] fetching crate ouroboros 0.18.5...
[INFO] testing ouroboros-0.18.5 against master#a1531335fe2807715fff569904d99602022643a7 for pr-145277
[INFO] extracting crate ouroboros 0.18.5 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ouroboros 0.18.5
[INFO] finished tweaking crates.io crate ouroboros 0.18.5
[INFO] tweaked toml for crates.io crate ouroboros 0.18.5 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ouroboros 0.18.5 on toolchain a1531335fe2807715fff569904d99602022643a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1320d4da24cd41052fcdd193e17fa028dbffb45c48f273bfb2a75d20c8a8e6bc
[INFO] running `Command { std: "docker" "start" "-a" "1320d4da24cd41052fcdd193e17fa028dbffb45c48f273bfb2a75d20c8a8e6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1320d4da24cd41052fcdd193e17fa028dbffb45c48f273bfb2a75d20c8a8e6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1320d4da24cd41052fcdd193e17fa028dbffb45c48f273bfb2a75d20c8a8e6bc", kill_on_drop: false }`
[INFO] [stdout] 1320d4da24cd41052fcdd193e17fa028dbffb45c48f273bfb2a75d20c8a8e6bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c3e36bd3fd7960d568b9b5f146ea055ef982b9109fdb6352aea1c69b4affbf0
[INFO] running `Command { std: "docker" "start" "-a" "7c3e36bd3fd7960d568b9b5f146ea055ef982b9109fdb6352aea1c69b4affbf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling aliasable v0.1.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.105
[INFO] [stderr]    Compiling ouroboros_macro v0.18.5
[INFO] [stderr]    Compiling ouroboros v0.18.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.80s
[INFO] running `Command { std: "docker" "inspect" "7c3e36bd3fd7960d568b9b5f146ea055ef982b9109fdb6352aea1c69b4affbf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c3e36bd3fd7960d568b9b5f146ea055ef982b9109fdb6352aea1c69b4affbf0", kill_on_drop: false }`
[INFO] [stdout] 7c3e36bd3fd7960d568b9b5f146ea055ef982b9109fdb6352aea1c69b4affbf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89dcded42eff49a343fdb14488d1d5e579138ef1dd6fb67ace8ea5c2bddb7be4
[INFO] running `Command { std: "docker" "start" "-a" "89dcded42eff49a343fdb14488d1d5e579138ef1dd6fb67ace8ea5c2bddb7be4", kill_on_drop: false }`
[INFO] [stderr]    Compiling ouroboros v0.18.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "89dcded42eff49a343fdb14488d1d5e579138ef1dd6fb67ace8ea5c2bddb7be4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89dcded42eff49a343fdb14488d1d5e579138ef1dd6fb67ace8ea5c2bddb7be4", kill_on_drop: false }`
[INFO] [stdout] 89dcded42eff49a343fdb14488d1d5e579138ef1dd6fb67ace8ea5c2bddb7be4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a1531335fe2807715fff569904d99602022643a7" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b240679d63a8dfafd8fb3e5943823dc1ab4bb719902a43d6b6f1a05ab181012c
[INFO] running `Command { std: "docker" "start" "-a" "b240679d63a8dfafd8fb3e5943823dc1ab4bb719902a43d6b6f1a05ab181012c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ouroboros-b889e30f49722261)
[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 4 tests
[INFO] [stdout] test src/lib.rs - self_referencing (line 166) ... ignored
[INFO] [stdout] test src/lib.rs - self_referencing (line 212) ... ignored
[INFO] [stdout] test src/lib.rs - self_referencing (line 95) ... ok
[INFO] [stdout] test src/lib.rs - self_referencing (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b240679d63a8dfafd8fb3e5943823dc1ab4bb719902a43d6b6f1a05ab181012c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b240679d63a8dfafd8fb3e5943823dc1ab4bb719902a43d6b6f1a05ab181012c", kill_on_drop: false }`
[INFO] [stdout] b240679d63a8dfafd8fb3e5943823dc1ab4bb719902a43d6b6f1a05ab181012c