[INFO] fetching crate bos 0.3.1...
[INFO] testing bos-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate bos 0.3.1 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate bos 0.3.1 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 bos 0.3.1
[INFO] finished tweaking crates.io crate bos 0.3.1
[INFO] tweaked toml for crates.io crate bos 0.3.1 written to /workspace/builds/worker-75/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] [stderr]     Blocking waiting for file lock on package cache
[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 lifetime_proc_macros v0.1.0
[INFO] [stderr]   Downloaded lifetime_proc_macros_impl v0.1.0
[INFO] [stderr]   Downloaded lifetime v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 44fbb5ecdd19bf4c05af7fbf849e9902d05225b675ca56dda8de2e3912d78a3a
[INFO] running `Command { std: "docker" "start" "-a" "44fbb5ecdd19bf4c05af7fbf849e9902d05225b675ca56dda8de2e3912d78a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44fbb5ecdd19bf4c05af7fbf849e9902d05225b675ca56dda8de2e3912d78a3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44fbb5ecdd19bf4c05af7fbf849e9902d05225b675ca56dda8de2e3912d78a3a", kill_on_drop: false }`
[INFO] [stdout] 44fbb5ecdd19bf4c05af7fbf849e9902d05225b675ca56dda8de2e3912d78a3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 4ad02414b586cf12df6683e4c2680612eefa2dd127236eea531bfd870f1e1bb3
[INFO] running `Command { std: "docker" "start" "-a" "4ad02414b586cf12df6683e4c2680612eefa2dd127236eea531bfd870f1e1bb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bos v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "4ad02414b586cf12df6683e4c2680612eefa2dd127236eea531bfd870f1e1bb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad02414b586cf12df6683e4c2680612eefa2dd127236eea531bfd870f1e1bb3", kill_on_drop: false }`
[INFO] [stdout] 4ad02414b586cf12df6683e4c2680612eefa2dd127236eea531bfd870f1e1bb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 0713af720f5987d1421ba3cc9a643b2bb358b0afb6aa59cedaed3a0ea35a98b3
[INFO] running `Command { std: "docker" "start" "-a" "0713af720f5987d1421ba3cc9a643b2bb358b0afb6aa59cedaed3a0ea35a98b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling assert_matches v1.5.0
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling lifetime_proc_macros_impl v0.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling lifetime_proc_macros v0.1.0
[INFO] [stderr]    Compiling lifetime v0.1.0
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bos v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 18.61s
[INFO] running `Command { std: "docker" "inspect" "0713af720f5987d1421ba3cc9a643b2bb358b0afb6aa59cedaed3a0ea35a98b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0713af720f5987d1421ba3cc9a643b2bb358b0afb6aa59cedaed3a0ea35a98b3", kill_on_drop: false }`
[INFO] [stdout] 0713af720f5987d1421ba3cc9a643b2bb358b0afb6aa59cedaed3a0ea35a98b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] 40db5bbfe4e6450a9390ba4acffe7266f82d10aae284a4b136f51f44e3b3d107
[INFO] running `Command { std: "docker" "start" "-a" "40db5bbfe4e6450a9390ba4acffe7266f82d10aae284a4b136f51f44e3b3d107", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bos-fe99b6898abd81b3)
[INFO] [stderr]      Running tests/integration/main.rs (/opt/rustwide/target/debug/deps/integration-5dfea3c57d46609a)
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bos_::cmp ... ok
[INFO] [stdout] test size_of_bos_str ... ok
[INFO] [stdout] test abos::cmp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bos
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test src/abos.rs - abos::Abos::into_static (line 150) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::to_mut (line 103) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::into_owned (line 43) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::to_borrowed (line 249) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::to_borrowed (line 242) ... ok
[INFO] [stdout] test src/lib.rs - (line 42) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::to_mut (line 101) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::to_mut (line 120) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::to_mut (line 110) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::into_shared (line 277) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::into_owned (line 55) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::into_owned (line 52) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::make_shared (line 315) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::make_shared (line 312) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::into_owned (line 62) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::to_mut (line 113) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::into_owned (line 65) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::into_static (line 163) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::to_borrowed (line 241) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::into_owned (line 46) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::into_shared (line 280) ... ok
[INFO] [stdout] test src/bos.rs - bos::Bos::to_borrowed (line 250) ... ok
[INFO] [stdout] test src/abos.rs - abos::Abos::to_mut (line 94) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40db5bbfe4e6450a9390ba4acffe7266f82d10aae284a4b136f51f44e3b3d107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40db5bbfe4e6450a9390ba4acffe7266f82d10aae284a4b136f51f44e3b3d107", kill_on_drop: false }`
[INFO] [stdout] 40db5bbfe4e6450a9390ba4acffe7266f82d10aae284a4b136f51f44e3b3d107