[INFO] fetching crate cvars 0.1.0...
[INFO] testing cvars-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate cvars 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cvars 0.1.0 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 cvars 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate cvars 0.1.0
[INFO] tweaked toml for crates.io crate cvars 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cvars 0.1.0 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b3e9f5eb8b402e1fe20db08f1e8d630409d053c8f861f08ebc4117474677db39
[INFO] running `Command { std: "docker" "start" "-a" "b3e9f5eb8b402e1fe20db08f1e8d630409d053c8f861f08ebc4117474677db39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3e9f5eb8b402e1fe20db08f1e8d630409d053c8f861f08ebc4117474677db39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3e9f5eb8b402e1fe20db08f1e8d630409d053c8f861f08ebc4117474677db39", kill_on_drop: false }`
[INFO] [stdout] b3e9f5eb8b402e1fe20db08f1e8d630409d053c8f861f08ebc4117474677db39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6114c03830b7b989aeeed43bb7b3da3a1d6e6d4155fba76357d2ed5d17dbf632
[INFO] running `Command { std: "docker" "start" "-a" "6114c03830b7b989aeeed43bb7b3da3a1d6e6d4155fba76357d2ed5d17dbf632", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling cvars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "6114c03830b7b989aeeed43bb7b3da3a1d6e6d4155fba76357d2ed5d17dbf632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6114c03830b7b989aeeed43bb7b3da3a1d6e6d4155fba76357d2ed5d17dbf632", kill_on_drop: false }`
[INFO] [stdout] 6114c03830b7b989aeeed43bb7b3da3a1d6e6d4155fba76357d2ed5d17dbf632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2e3185ad99b34b1b9bb11c8b476c82c6af5c334b0752fd5b38f6a9fe33d34ce7
[INFO] running `Command { std: "docker" "start" "-a" "2e3185ad99b34b1b9bb11c8b476c82c6af5c334b0752fd5b38f6a9fe33d34ce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling trybuild v1.0.43
[INFO] [stderr]    Compiling dissimilar v1.0.2
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling cvars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.56s
[INFO] running `Command { std: "docker" "inspect" "2e3185ad99b34b1b9bb11c8b476c82c6af5c334b0752fd5b38f6a9fe33d34ce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3185ad99b34b1b9bb11c8b476c82c6af5c334b0752fd5b38f6a9fe33d34ce7", kill_on_drop: false }`
[INFO] [stdout] 2e3185ad99b34b1b9bb11c8b476c82c6af5c334b0752fd5b38f6a9fe33d34ce7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 817bd6e1929ce43e4843b0b9bd026c9b81b76edb7fcf20d597291c438d6d846d
[INFO] running `Command { std: "docker" "start" "-a" "817bd6e1929ce43e4843b0b9bd026c9b81b76edb7fcf20d597291c438d6d846d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cvars-ef9a30408c7dd4da)
[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/progress.rs (/opt/rustwide/target/debug/deps/tests-1da439fde290fc0a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling cvars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cvars-tests v0.0.0 (/opt/rustwide/target/tests/cvars)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.51s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/fnlike/test_parse.rs ... ok
[INFO] [stderr] test tests/fnlike/test_extra_impl.rs ... ok
[INFO] [stderr] test tests/fnlike/test_getters.rs ... ok
[INFO] [stderr] test tests/fnlike/test_setters.rs ... ok
[INFO] [stderr] test tests/fnlike/test_string_getters.rs ... ok
[INFO] [stderr] test tests/fnlike/test_string_setters.rs ... ok
[INFO] [stderr] test tests/fnlike/test_redefined.rs ... ok
[INFO] [stderr] test tests/derive/test_parse.rs ... ok
[INFO] [stderr] test tests/derive/test_getters.rs ... ok
[INFO] [stderr] test tests/derive/test_setters.rs ... ok
[INFO] [stderr] test tests/derive/test_string_getters.rs ... ok
[INFO] [stderr] test tests/derive/test_string_setters.rs ... ok
[INFO] [stderr] test tests/derive/test_redefined.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 17.94s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cvars
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 25) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - derive (line 103) ... ok
[INFO] [stdout] test src/lib.rs - cvars (line 46) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "817bd6e1929ce43e4843b0b9bd026c9b81b76edb7fcf20d597291c438d6d846d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "817bd6e1929ce43e4843b0b9bd026c9b81b76edb7fcf20d597291c438d6d846d", kill_on_drop: false }`
[INFO] [stdout] 817bd6e1929ce43e4843b0b9bd026c9b81b76edb7fcf20d597291c438d6d846d