[INFO] fetching crate canonical_json 0.4.0...
[INFO] testing canonical_json-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate canonical_json 0.4.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate canonical_json 0.4.0 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 canonical_json 0.4.0
[INFO] finished tweaking crates.io crate canonical_json 0.4.0
[INFO] tweaked toml for crates.io crate canonical_json 0.4.0 written to /workspace/builds/worker-41/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-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 34b67c61ac839695d2ad4c560476a6c1d8c84d3d77cd203359f6d02bce93cf46
[INFO] running `Command { std: "docker" "start" "-a" "34b67c61ac839695d2ad4c560476a6c1d8c84d3d77cd203359f6d02bce93cf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34b67c61ac839695d2ad4c560476a6c1d8c84d3d77cd203359f6d02bce93cf46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b67c61ac839695d2ad4c560476a6c1d8c84d3d77cd203359f6d02bce93cf46", kill_on_drop: false }`
[INFO] [stdout] 34b67c61ac839695d2ad4c560476a6c1d8c84d3d77cd203359f6d02bce93cf46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 3a37b13b04f52d9904714635424cd4dd26cd4e562ffb0c6769014710a5ea18b9
[INFO] running `Command { std: "docker" "start" "-a" "3a37b13b04f52d9904714635424cd4dd26cd4e562ffb0c6769014710a5ea18b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling canonical_json v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.07s
[INFO] running `Command { std: "docker" "inspect" "3a37b13b04f52d9904714635424cd4dd26cd4e562ffb0c6769014710a5ea18b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a37b13b04f52d9904714635424cd4dd26cd4e562ffb0c6769014710a5ea18b9", kill_on_drop: false }`
[INFO] [stdout] 3a37b13b04f52d9904714635424cd4dd26cd4e562ffb0c6769014710a5ea18b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] d7e14bbf841b76683664581c9abcfe6c4e032a3bcfade50c29ed314b24d0dc97
[INFO] running `Command { std: "docker" "start" "-a" "d7e14bbf841b76683664581c9abcfe6c4e032a3bcfade50c29ed314b24d0dc97", kill_on_drop: false }`
[INFO] [stderr]    Compiling canonical_json v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `Command { std: "docker" "inspect" "d7e14bbf841b76683664581c9abcfe6c4e032a3bcfade50c29ed314b24d0dc97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7e14bbf841b76683664581c9abcfe6c4e032a3bcfade50c29ed314b24d0dc97", kill_on_drop: false }`
[INFO] [stdout] d7e14bbf841b76683664581c9abcfe6c4e032a3bcfade50c29ed314b24d0dc97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] c3de2f1d7ab26cd311a8a03810a6f2b70f9dfe0cf178484ebce98cdc7a7fa286
[INFO] running `Command { std: "docker" "start" "-a" "c3de2f1d7ab26cd311a8a03810a6f2b70f9dfe0cf178484ebce98cdc7a7fa286", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/canonical_json-8f508e41ff5eb5cd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test ser::tests::test_to_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests canonical_json
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/ser.rs - ser::to_string (line 193) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3de2f1d7ab26cd311a8a03810a6f2b70f9dfe0cf178484ebce98cdc7a7fa286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3de2f1d7ab26cd311a8a03810a6f2b70f9dfe0cf178484ebce98cdc7a7fa286", kill_on_drop: false }`
[INFO] [stdout] c3de2f1d7ab26cd311a8a03810a6f2b70f9dfe0cf178484ebce98cdc7a7fa286