[INFO] fetching crate dairy 0.2.2...
[INFO] testing dairy-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate dairy 0.2.2 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate dairy 0.2.2 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 dairy 0.2.2
[INFO] finished tweaking crates.io crate dairy 0.2.2
[INFO] tweaked toml for crates.io crate dairy 0.2.2 written to /workspace/builds/worker-15/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b4d5c78293bfb5e3eb7de132524638b709a15dbcbfb7ebbd1c0400f25811f9f7
[INFO] running `Command { std: "docker" "start" "-a" "b4d5c78293bfb5e3eb7de132524638b709a15dbcbfb7ebbd1c0400f25811f9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4d5c78293bfb5e3eb7de132524638b709a15dbcbfb7ebbd1c0400f25811f9f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d5c78293bfb5e3eb7de132524638b709a15dbcbfb7ebbd1c0400f25811f9f7", kill_on_drop: false }`
[INFO] [stdout] b4d5c78293bfb5e3eb7de132524638b709a15dbcbfb7ebbd1c0400f25811f9f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] b745fb2a64f26f75aba82534edf497d22f0a9a2c037fc30a8b131ef535f94dfb
[INFO] running `Command { std: "docker" "start" "-a" "b745fb2a64f26f75aba82534edf497d22f0a9a2c037fc30a8b131ef535f94dfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling dairy v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "b745fb2a64f26f75aba82534edf497d22f0a9a2c037fc30a8b131ef535f94dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b745fb2a64f26f75aba82534edf497d22f0a9a2c037fc30a8b131ef535f94dfb", kill_on_drop: false }`
[INFO] [stdout] b745fb2a64f26f75aba82534edf497d22f0a9a2c037fc30a8b131ef535f94dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 11e10c6b27fc99d8112107cfdbfd00a292441735dac53d95cf117490b4fa89b9
[INFO] running `Command { std: "docker" "start" "-a" "11e10c6b27fc99d8112107cfdbfd00a292441735dac53d95cf117490b4fa89b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.5
[INFO] [stderr]    Compiling dairy v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.51s
[INFO] running `Command { std: "docker" "inspect" "11e10c6b27fc99d8112107cfdbfd00a292441735dac53d95cf117490b4fa89b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e10c6b27fc99d8112107cfdbfd00a292441735dac53d95cf117490b4fa89b9", kill_on_drop: false }`
[INFO] [stdout] 11e10c6b27fc99d8112107cfdbfd00a292441735dac53d95cf117490b4fa89b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] e9e275e99214b18ad487998901aa8d88773ac3b297a444bcc6a7fdabf70df4e6
[INFO] running `Command { std: "docker" "start" "-a" "e9e275e99214b18ad487998901aa8d88773ac3b297a444bcc6a7fdabf70df4e6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dairy-9833527805fae13e)
[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]      Running tests/c_str.rs (/opt/rustwide/target/debug/deps/c_str-8423593d3ab70d72)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test cow_c_str_borrowed_as_ref ... ok
[INFO] [stdout] test cow_c_str_borrowed_clone ... ok
[INFO] [stdout] test cow_c_str_borrowed_ref ... ok
[INFO] [stdout] test cow_c_str_from ... ok
[INFO] [stdout] test cow_c_str_borrowed_partial_eq ... ok
[INFO] [stdout] test cow_c_str_borrowed_into_owned ... ok
[INFO] [stdout] test cow_c_str_is_borrowed ... ok
[INFO] [stdout] test cow_c_str_is_owned ... ok
[INFO] [stdout] test cow_c_str_owned_as_ref ... ok
[INFO] [stdout] test cow_c_str_owned_clone ... ok
[INFO] [stdout] test cow_c_str_owned_into_owned ... ok
[INFO] [stdout] test cow_c_str_owned_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/os_str.rs (/opt/rustwide/target/debug/deps/os_str-c54806fdf3c7cbe9)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cow_os_str_borrowed_as_ref ... ok
[INFO] [stdout] test cow_os_str_borrowed_partial_eq ... ok
[INFO] [stdout] test cow_os_str_borrowed_into_owned ... ok
[INFO] [stdout] test cow_os_str_borrowed_ref ... ok
[INFO] [stdout] test cow_os_str_extend ... ok
[INFO] [stdout] test cow_os_str_borrowed_clone ... ok
[INFO] [stdout] test cow_os_str_from ... ok
[INFO] [stdout] test cow_os_str_from_str ... ok
[INFO] [stdout] test cow_os_str_from_iter ... ok
[INFO] [stdout] test cow_os_str_is_borrowed ... ok
[INFO] [stdout] test cow_os_str_is_owned ... ok
[INFO] [stdout] test cow_os_str_owned_as_ref ... ok
[INFO] [stdout] test cow_os_str_owned_clone ... ok
[INFO] [stdout] test cow_os_str_owned_ref ... ok
[INFO] [stdout] test cow_os_str_owned_into_owned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/path.rs (/opt/rustwide/target/debug/deps/path-25b84c50166e1542)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cow_path_borrowed_clone ... ok
[INFO] [stdout] test cow_path_borrowed_into_owned ... ok
[INFO] [stdout] test cow_path_borrowed_as_ref ... ok
[INFO] [stdout] test cow_path_borrowed_partial_eq ... ok
[INFO] [stdout] test cow_path_borrowed_ref ... ok
[INFO] [stdout] test cow_path_extend ... ok
[INFO] [stdout] test cow_path_from ... ok
[INFO] [stdout] test cow_path_from_str ... ok
[INFO] [stdout] test cow_path_from_iter ... ok
[INFO] [stdout] test cow_path_is_borrowed ... ok
[INFO] [stdout] test cow_path_is_owned ... ok
[INFO] [stdout] test cow_path_owned_clone ... ok
[INFO] [stdout] test cow_path_owned_into_owned ... ok
[INFO] [stderr]      Running tests/size.rs (/opt/rustwide/target/debug/deps/size-9d7aa155720e7615)
[INFO] [stdout] test cow_path_owned_as_ref ... ok
[INFO] [stdout] test cow_path_owned_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test size_os_str ... ok
[INFO] [stdout] test size_str ... 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] [stderr]      Running tests/slice.rs (/opt/rustwide/target/debug/deps/slice-2424bcb45785d8e3)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test cow_slice_borrowed_as_ref ... ok
[INFO] [stdout] test cow_slice_borrowed_clone ... ok
[INFO] [stdout] test cow_slice_borrowed_into_owned ... ok
[INFO] [stdout] test cow_slice_borrowed_partial_eq ... ok
[INFO] [stdout] test cow_slice_borrowed_ref ... ok
[INFO] [stdout] test cow_slice_extend ... ok
[INFO] [stdout] test cow_slice_from_iter ... ok
[INFO] [stdout] test cow_slice_is_borrowed ... ok
[INFO] [stdout] test cow_slice_from ... ok
[INFO] [stdout] test cow_slice_is_owned ... ok
[INFO] [stdout] test cow_slice_owned_as_ref ... ok
[INFO] [stdout] test cow_slice_owned_clone ... ok
[INFO] [stdout] test cow_slice_owned_into_owned ... ok
[INFO] [stdout] test cow_slice_owned_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/str.rs (/opt/rustwide/target/debug/deps/str-8decd65ea03197ca)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test cow_str_borrowed_as_ref ... ok
[INFO] [stdout] test cow_str_borrowed_clone ... ok
[INFO] [stdout] test cow_str_borrowed_into_owned ... ok
[INFO] [stdout] test cow_str_borrowed_ref ... ok
[INFO] [stdout] test cow_str_from_str ... ok
[INFO] [stdout] test cow_str_is_borrowed ... ok
[INFO] [stdout] test cow_str_extend ... ok
[INFO] [stdout] test cow_str_from ... ok
[INFO] [stdout] test cow_str_from_iter ... ok
[INFO] [stdout] test cow_str_borrowed_partial_eq ... ok
[INFO] [stdout] test cow_str_is_owned ... ok
[INFO] [stdout] test cow_str_owned_into_owned ... ok
[INFO] [stdout] test cow_str_owned_ref ... ok
[INFO] [stdout] test cow_str_owned_clone ... ok
[INFO] [stderr]    Doc-tests dairy
[INFO] [stdout] test cow_str_owned_as_ref ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - Cow::borrowed (line 120) ... ok
[INFO] [stdout] test src/lib.rs - Cow::owned (line 135) ... ok
[INFO] [stdout] test src/lib.rs - Cow::into_boxed (line 223) ... ok
[INFO] [stdout] test src/lib.rs - Cow::is_borrowed (line 150) ... ok
[INFO] [stdout] test src/lib.rs - Cow::into_owned (line 204) ... ok
[INFO] [stdout] test src/lib.rs - Cow::apply (line 255) ... ok
[INFO] [stdout] test src/lib.rs - Cow::into_boxed (line 232) ... ok
[INFO] [stdout] test src/lib.rs - Cow::is_owned (line 168) ... ok
[INFO] [stdout] test src/lib.rs - Cow::into_owned (line 195) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.92s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9e275e99214b18ad487998901aa8d88773ac3b297a444bcc6a7fdabf70df4e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e275e99214b18ad487998901aa8d88773ac3b297a444bcc6a7fdabf70df4e6", kill_on_drop: false }`
[INFO] [stdout] e9e275e99214b18ad487998901aa8d88773ac3b297a444bcc6a7fdabf70df4e6