[INFO] fetching crate polyerror 0.0.2...
[INFO] testing polyerror-0.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate polyerror 0.0.2 into /workspace/builds/worker-23/source
[INFO] validating manifest of crates.io crate polyerror 0.0.2 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 polyerror 0.0.2
[INFO] finished tweaking crates.io crate polyerror 0.0.2
[INFO] tweaked toml for crates.io crate polyerror 0.0.2 written to /workspace/builds/worker-23/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] b4244fc2093d99655cf10e761a857c6588614b14cb28f074b8e11319230c07bf
[INFO] running `Command { std: "docker" "start" "-a" "b4244fc2093d99655cf10e761a857c6588614b14cb28f074b8e11319230c07bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4244fc2093d99655cf10e761a857c6588614b14cb28f074b8e11319230c07bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4244fc2093d99655cf10e761a857c6588614b14cb28f074b8e11319230c07bf", kill_on_drop: false }`
[INFO] [stdout] b4244fc2093d99655cf10e761a857c6588614b14cb28f074b8e11319230c07bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 913acd44c614ec51feb9f1a5e71a0709a3c38615573d7a9b27ba505ea2a05d56
[INFO] running `Command { std: "docker" "start" "-a" "913acd44c614ec51feb9f1a5e71a0709a3c38615573d7a9b27ba505ea2a05d56", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling polyerror v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.97s
[INFO] running `Command { std: "docker" "inspect" "913acd44c614ec51feb9f1a5e71a0709a3c38615573d7a9b27ba505ea2a05d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913acd44c614ec51feb9f1a5e71a0709a3c38615573d7a9b27ba505ea2a05d56", kill_on_drop: false }`
[INFO] [stdout] 913acd44c614ec51feb9f1a5e71a0709a3c38615573d7a9b27ba505ea2a05d56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 9e4a683c437b55f340eb82d04c239dec6cb81fc26eaffbe3f7db8b1bebe1c4c7
[INFO] running `Command { std: "docker" "start" "-a" "9e4a683c437b55f340eb82d04c239dec6cb81fc26eaffbe3f7db8b1bebe1c4c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling polyerror v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "9e4a683c437b55f340eb82d04c239dec6cb81fc26eaffbe3f7db8b1bebe1c4c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4a683c437b55f340eb82d04c239dec6cb81fc26eaffbe3f7db8b1bebe1c4c7", kill_on_drop: false }`
[INFO] [stdout] 9e4a683c437b55f340eb82d04c239dec6cb81fc26eaffbe3f7db8b1bebe1c4c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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] 2d7e4515a5481f0b19dd8668abe677b32f46ea33c081d167c4752ab4030ac18a
[INFO] running `Command { std: "docker" "start" "-a" "2d7e4515a5481f0b19dd8668abe677b32f46ea33c081d167c4752ab4030ac18a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polyerror-2afff2d61fdf1909)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test parser::test_parse_of_error_specification ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic_use.rs (/opt/rustwide/target/debug/deps/basic_use-51220d2a5936f525)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_malformed_bool ... ok
[INFO] [stdout] test test_malformed_int ... ok
[INFO] [stdout] test test_succeeds ... 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 polyerror
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 43) ... ignored
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.46s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2d7e4515a5481f0b19dd8668abe677b32f46ea33c081d167c4752ab4030ac18a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d7e4515a5481f0b19dd8668abe677b32f46ea33c081d167c4752ab4030ac18a", kill_on_drop: false }`
[INFO] [stdout] 2d7e4515a5481f0b19dd8668abe677b32f46ea33c081d167c4752ab4030ac18a