[INFO] fetching crate identifier 0.1.3...
[INFO] testing identifier-0.1.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate identifier 0.1.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate identifier 0.1.3 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate identifier 0.1.3
[INFO] finished tweaking crates.io crate identifier 0.1.3
[INFO] tweaked toml for crates.io crate identifier 0.1.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded identifier_derive v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2b809d04f7ed27d5eae2e27f6807c0a389f33d4f30c659c9951b281a91599c08
[INFO] running `Command { std: "docker" "start" "-a" "2b809d04f7ed27d5eae2e27f6807c0a389f33d4f30c659c9951b281a91599c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b809d04f7ed27d5eae2e27f6807c0a389f33d4f30c659c9951b281a91599c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b809d04f7ed27d5eae2e27f6807c0a389f33d4f30c659c9951b281a91599c08", kill_on_drop: false }`
[INFO] [stdout] 2b809d04f7ed27d5eae2e27f6807c0a389f33d4f30c659c9951b281a91599c08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f128ae9eab1874cffe4243fd266bda61317405ddc45e2dc1ad7657a1c61b4550
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f128ae9eab1874cffe4243fd266bda61317405ddc45e2dc1ad7657a1c61b4550", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling identifier_derive v0.1.3
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling identifier v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.92s
[INFO] running `Command { std: "docker" "inspect" "f128ae9eab1874cffe4243fd266bda61317405ddc45e2dc1ad7657a1c61b4550", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f128ae9eab1874cffe4243fd266bda61317405ddc45e2dc1ad7657a1c61b4550", kill_on_drop: false }`
[INFO] [stdout] f128ae9eab1874cffe4243fd266bda61317405ddc45e2dc1ad7657a1c61b4550
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 52258855dfe0189b90006a9ec1b0723994330940c700c8c9034bd20f73d01665
[INFO] running `Command { std: "docker" "start" "-a" "52258855dfe0189b90006a9ec1b0723994330940c700c8c9034bd20f73d01665", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling trybuild v1.0.38
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling dissimilar v1.0.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling identifier v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 32.39s
[INFO] running `Command { std: "docker" "inspect" "52258855dfe0189b90006a9ec1b0723994330940c700c8c9034bd20f73d01665", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52258855dfe0189b90006a9ec1b0723994330940c700c8c9034bd20f73d01665", kill_on_drop: false }`
[INFO] [stdout] 52258855dfe0189b90006a9ec1b0723994330940c700c8c9034bd20f73d01665
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 489a6817af029d4e89e6b36fb6f6b97ebcc447568a145d014b410ac4a16af773
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "489a6817af029d4e89e6b36fb6f6b97ebcc447568a145d014b410ac4a16af773", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/identifier-a8a16deee3a69c51
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/compile-5ac251b8219a7330
[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 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling identifier_derive v0.1.3
[INFO] [stderr]    Compiling thiserror v1.0.23
[INFO] [stderr]    Compiling identifier v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling identifier-tests v0.0.0 (/opt/rustwide/target/tests/identifier)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.98s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test invalid-item.rs [should fail to compile] ... ok
[INFO] [stderr] test invalid-struct-fields.rs [should fail to compile] ... ok
[INFO] [stderr] test invalid-struct-primitive.rs [should fail to compile] ... ok
[INFO] [stderr] test missing-attr-with.rs [should fail to compile] ... ok
[INFO] [stderr] test params.rs [should pass] ... ok
[INFO] [stdout] test ui ... ok
[INFO] [stderr] test simple.rs [should pass] ... ok
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 20.46s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests identifier
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.93s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "489a6817af029d4e89e6b36fb6f6b97ebcc447568a145d014b410ac4a16af773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "489a6817af029d4e89e6b36fb6f6b97ebcc447568a145d014b410ac4a16af773", kill_on_drop: false }`
[INFO] [stdout] 489a6817af029d4e89e6b36fb6f6b97ebcc447568a145d014b410ac4a16af773