[INFO] fetching crate try_or 0.2.0...
[INFO] testing try_or-0.2.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate try_or 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate try_or 0.2.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate try_or 0.2.0
[INFO] finished tweaking crates.io crate try_or 0.2.0
[INFO] tweaked toml for crates.io crate try_or 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f53eb569399a675fca8ee420f0e1391b38c1337f7e7f42152401f397cfdd511
[INFO] running `Command { std: "docker" "start" "-a" "2f53eb569399a675fca8ee420f0e1391b38c1337f7e7f42152401f397cfdd511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f53eb569399a675fca8ee420f0e1391b38c1337f7e7f42152401f397cfdd511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f53eb569399a675fca8ee420f0e1391b38c1337f7e7f42152401f397cfdd511", kill_on_drop: false }`
[INFO] [stdout] 2f53eb569399a675fca8ee420f0e1391b38c1337f7e7f42152401f397cfdd511
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4c4c2e04bcfee292cc3b21b9ce09a49a6d51a217621f1c56ebc7df45a277757
[INFO] running `Command { std: "docker" "start" "-a" "b4c4c2e04bcfee292cc3b21b9ce09a49a6d51a217621f1c56ebc7df45a277757", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_or v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "b4c4c2e04bcfee292cc3b21b9ce09a49a6d51a217621f1c56ebc7df45a277757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4c4c2e04bcfee292cc3b21b9ce09a49a6d51a217621f1c56ebc7df45a277757", kill_on_drop: false }`
[INFO] [stdout] b4c4c2e04bcfee292cc3b21b9ce09a49a6d51a217621f1c56ebc7df45a277757
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 093bac275dfeb9976c09b3aacb3c52f2ab70011b7cd1016562f011fd5a6b5a69
[INFO] running `Command { std: "docker" "start" "-a" "093bac275dfeb9976c09b3aacb3c52f2ab70011b7cd1016562f011fd5a6b5a69", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_or v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "093bac275dfeb9976c09b3aacb3c52f2ab70011b7cd1016562f011fd5a6b5a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093bac275dfeb9976c09b3aacb3c52f2ab70011b7cd1016562f011fd5a6b5a69", kill_on_drop: false }`
[INFO] [stdout] 093bac275dfeb9976c09b3aacb3c52f2ab70011b7cd1016562f011fd5a6b5a69
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 325ffc2767a1bd0c2e323435efd2538a4f6b4f39acfdc5591fde6c03d00edecf
[INFO] running `Command { std: "docker" "start" "-a" "325ffc2767a1bd0c2e323435efd2538a4f6b4f39acfdc5591fde6c03d00edecf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/try_or-e574733c5add44da)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... 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]    Doc-tests try_or
[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] running `Command { std: "docker" "inspect" "325ffc2767a1bd0c2e323435efd2538a4f6b4f39acfdc5591fde6c03d00edecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325ffc2767a1bd0c2e323435efd2538a4f6b4f39acfdc5591fde6c03d00edecf", kill_on_drop: false }`
[INFO] [stdout] 325ffc2767a1bd0c2e323435efd2538a4f6b4f39acfdc5591fde6c03d00edecf