[INFO] fetching crate main_error 0.1.2...
[INFO] testing main_error-0.1.2 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate main_error 0.1.2 into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate main_error 0.1.2 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate main_error 0.1.2
[INFO] finished tweaking crates.io crate main_error 0.1.2
[INFO] tweaked toml for crates.io crate main_error 0.1.2 written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate crates.io crate main_error 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf59ed00abb8b8d214a4a4a12c429607f6e6382b0fb4c9c3aafe3543e522a187
[INFO] running `Command { std: "docker" "start" "-a" "cf59ed00abb8b8d214a4a4a12c429607f6e6382b0fb4c9c3aafe3543e522a187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf59ed00abb8b8d214a4a4a12c429607f6e6382b0fb4c9c3aafe3543e522a187", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf59ed00abb8b8d214a4a4a12c429607f6e6382b0fb4c9c3aafe3543e522a187", kill_on_drop: false }`
[INFO] [stdout] cf59ed00abb8b8d214a4a4a12c429607f6e6382b0fb4c9c3aafe3543e522a187
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5690a90ad0f9cd111507a49f36c293e0ccb4ff3756bd7dd547e5f0176d2b4e24
[INFO] running `Command { std: "docker" "start" "-a" "5690a90ad0f9cd111507a49f36c293e0ccb4ff3756bd7dd547e5f0176d2b4e24", kill_on_drop: false }`
[INFO] [stderr]    Compiling main_error v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "5690a90ad0f9cd111507a49f36c293e0ccb4ff3756bd7dd547e5f0176d2b4e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5690a90ad0f9cd111507a49f36c293e0ccb4ff3756bd7dd547e5f0176d2b4e24", kill_on_drop: false }`
[INFO] [stdout] 5690a90ad0f9cd111507a49f36c293e0ccb4ff3756bd7dd547e5f0176d2b4e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2a5b05a709ff8654b1aff11c411527c832502c04b2cb6cd71e7f7d8e4c99d50
[INFO] running `Command { std: "docker" "start" "-a" "f2a5b05a709ff8654b1aff11c411527c832502c04b2cb6cd71e7f7d8e4c99d50", kill_on_drop: false }`
[INFO] [stderr]    Compiling main_error v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "f2a5b05a709ff8654b1aff11c411527c832502c04b2cb6cd71e7f7d8e4c99d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a5b05a709ff8654b1aff11c411527c832502c04b2cb6cd71e7f7d8e4c99d50", kill_on_drop: false }`
[INFO] [stdout] f2a5b05a709ff8654b1aff11c411527c832502c04b2cb6cd71e7f7d8e4c99d50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=forbid" "-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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8fa74b11f9ac80e76115aefaf758b0ce0121d0aa458cc04b51ed8012ecacef3
[INFO] running `Command { std: "docker" "start" "-a" "d8fa74b11f9ac80e76115aefaf758b0ce0121d0aa458cc04b51ed8012ecacef3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.33s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main_error-d3a661f3c970cc7c)
[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]    Doc-tests main_error
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - MainError (line 119) ... ok
[INFO] [stdout] test src/lib.rs - MainError (line 105) ... ok
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - MainError (line 111) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8fa74b11f9ac80e76115aefaf758b0ce0121d0aa458cc04b51ed8012ecacef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8fa74b11f9ac80e76115aefaf758b0ce0121d0aa458cc04b51ed8012ecacef3", kill_on_drop: false }`
[INFO] [stdout] d8fa74b11f9ac80e76115aefaf758b0ce0121d0aa458cc04b51ed8012ecacef3