[INFO] fetching crate ouroboros 0.10.1...
[INFO] testing ouroboros-0.10.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate ouroboros 0.10.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ouroboros 0.10.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ouroboros 0.10.1
[INFO] finished tweaking crates.io crate ouroboros 0.10.1
[INFO] tweaked toml for crates.io crate ouroboros 0.10.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75c1082f708eb94456f30b2390e0abedd8171e81c369f6d813f2d5643e2fee3d
[INFO] running `Command { std: "docker" "start" "-a" "75c1082f708eb94456f30b2390e0abedd8171e81c369f6d813f2d5643e2fee3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75c1082f708eb94456f30b2390e0abedd8171e81c369f6d813f2d5643e2fee3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c1082f708eb94456f30b2390e0abedd8171e81c369f6d813f2d5643e2fee3d", kill_on_drop: false }`
[INFO] [stdout] 75c1082f708eb94456f30b2390e0abedd8171e81c369f6d813f2d5643e2fee3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83ec605c4a09efb72f0dee7821ccae2f45f7435c7b94149d27c4415ed0a4e086
[INFO] running `Command { std: "docker" "start" "-a" "83ec605c4a09efb72f0dee7821ccae2f45f7435c7b94149d27c4415ed0a4e086", kill_on_drop: false }`
[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 ouroboros_macro v0.10.1
[INFO] [stderr]    Compiling ouroboros v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "83ec605c4a09efb72f0dee7821ccae2f45f7435c7b94149d27c4415ed0a4e086", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ec605c4a09efb72f0dee7821ccae2f45f7435c7b94149d27c4415ed0a4e086", kill_on_drop: false }`
[INFO] [stdout] 83ec605c4a09efb72f0dee7821ccae2f45f7435c7b94149d27c4415ed0a4e086
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28a7c0089af5f1ea1ede6f70123854553aa1d748f9eba3027cb3db4a6c2ba75f
[INFO] running `Command { std: "docker" "start" "-a" "28a7c0089af5f1ea1ede6f70123854553aa1d748f9eba3027cb3db4a6c2ba75f", kill_on_drop: false }`
[INFO] [stderr]    Compiling ouroboros v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "28a7c0089af5f1ea1ede6f70123854553aa1d748f9eba3027cb3db4a6c2ba75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a7c0089af5f1ea1ede6f70123854553aa1d748f9eba3027cb3db4a6c2ba75f", kill_on_drop: false }`
[INFO] [stdout] 28a7c0089af5f1ea1ede6f70123854553aa1d748f9eba3027cb3db4a6c2ba75f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14a2024af9430f65d797268ad3315550eaf6c2f89aef6fb43a770030e0c9458d
[INFO] running `Command { std: "docker" "start" "-a" "14a2024af9430f65d797268ad3315550eaf6c2f89aef6fb43a770030e0c9458d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ouroboros-deb9d0918d09c884)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ouroboros
[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 3 tests
[INFO] [stdout] test src/lib.rs - self_referencing (line 154) ... ignored
[INFO] [stdout] test src/lib.rs - self_referencing (line 9) ... ok
[INFO] [stdout] test src/lib.rs - self_referencing (line 80) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14a2024af9430f65d797268ad3315550eaf6c2f89aef6fb43a770030e0c9458d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14a2024af9430f65d797268ad3315550eaf6c2f89aef6fb43a770030e0c9458d", kill_on_drop: false }`
[INFO] [stdout] 14a2024af9430f65d797268ad3315550eaf6c2f89aef6fb43a770030e0c9458d