[INFO] fetching crate safe_unwrap 0.4.1...
[INFO] testing safe_unwrap-0.4.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate safe_unwrap 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate safe_unwrap 0.4.1 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 safe_unwrap 0.4.1
[INFO] finished tweaking crates.io crate safe_unwrap 0.4.1
[INFO] tweaked toml for crates.io crate safe_unwrap 0.4.1 written to /workspace/builds/worker-12/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] eeba5f5119d56500b6c2a71a2f70c3fba7dfd80deedbba20423137d4d5226ea9
[INFO] running `Command { std: "docker" "start" "-a" "eeba5f5119d56500b6c2a71a2f70c3fba7dfd80deedbba20423137d4d5226ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eeba5f5119d56500b6c2a71a2f70c3fba7dfd80deedbba20423137d4d5226ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeba5f5119d56500b6c2a71a2f70c3fba7dfd80deedbba20423137d4d5226ea9", kill_on_drop: false }`
[INFO] [stdout] eeba5f5119d56500b6c2a71a2f70c3fba7dfd80deedbba20423137d4d5226ea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] c78d261a5ceea29b12c5f268d8ee7bcb16773abc0b18a6cbdc2abe52a036e57c
[INFO] running `Command { std: "docker" "start" "-a" "c78d261a5ceea29b12c5f268d8ee7bcb16773abc0b18a6cbdc2abe52a036e57c", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe_unwrap v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "c78d261a5ceea29b12c5f268d8ee7bcb16773abc0b18a6cbdc2abe52a036e57c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c78d261a5ceea29b12c5f268d8ee7bcb16773abc0b18a6cbdc2abe52a036e57c", kill_on_drop: false }`
[INFO] [stdout] c78d261a5ceea29b12c5f268d8ee7bcb16773abc0b18a6cbdc2abe52a036e57c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 830f8c7675674a843e2430bea5f00b6d4f6a2bc705882f21f429aedbc24e421c
[INFO] running `Command { std: "docker" "start" "-a" "830f8c7675674a843e2430bea5f00b6d4f6a2bc705882f21f429aedbc24e421c", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe_unwrap v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "830f8c7675674a843e2430bea5f00b6d4f6a2bc705882f21f429aedbc24e421c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "830f8c7675674a843e2430bea5f00b6d4f6a2bc705882f21f429aedbc24e421c", kill_on_drop: false }`
[INFO] [stdout] 830f8c7675674a843e2430bea5f00b6d4f6a2bc705882f21f429aedbc24e421c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 94b1d895fb2872b173958b93e68e586325b7d0cf10f999a94842683f198205e3
[INFO] running `Command { std: "docker" "start" "-a" "94b1d895fb2872b173958b93e68e586325b7d0cf10f999a94842683f198205e3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/safe_unwrap-ddf7a53692ad47b1)
[INFO] [stdout] test tests::trait_works_when_ok ... ok
[INFO] [stdout] test tests::works_when_ok ... ok
[INFO] [stdout] test tests::doesnt_work_when_err - should panic ... ok
[INFO] [stdout] test tests::trait_doesnt_work_when_err - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests safe_unwrap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.55s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "94b1d895fb2872b173958b93e68e586325b7d0cf10f999a94842683f198205e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94b1d895fb2872b173958b93e68e586325b7d0cf10f999a94842683f198205e3", kill_on_drop: false }`
[INFO] [stdout] 94b1d895fb2872b173958b93e68e586325b7d0cf10f999a94842683f198205e3