[INFO] fetching crate wait_group 0.1.4...
[INFO] testing wait_group-0.1.4 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate wait_group 0.1.4 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate wait_group 0.1.4 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wait_group 0.1.4
[INFO] finished tweaking crates.io crate wait_group 0.1.4
[INFO] tweaked toml for crates.io crate wait_group 0.1.4 written to /workspace/builds/worker-101/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1957d996176b59572439fb6b74d73830a2f59c1728638783c8e5009fd2b90bd0
[INFO] running `Command { std: "docker" "start" "-a" "1957d996176b59572439fb6b74d73830a2f59c1728638783c8e5009fd2b90bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1957d996176b59572439fb6b74d73830a2f59c1728638783c8e5009fd2b90bd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1957d996176b59572439fb6b74d73830a2f59c1728638783c8e5009fd2b90bd0", kill_on_drop: false }`
[INFO] [stdout] 1957d996176b59572439fb6b74d73830a2f59c1728638783c8e5009fd2b90bd0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d88efab728e3df0b6ac4603bb8209d963d62231499a54c4cb4eb1951cfc24e6
[INFO] running `Command { std: "docker" "start" "-a" "0d88efab728e3df0b6ac4603bb8209d963d62231499a54c4cb4eb1951cfc24e6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wait_group v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "0d88efab728e3df0b6ac4603bb8209d963d62231499a54c4cb4eb1951cfc24e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d88efab728e3df0b6ac4603bb8209d963d62231499a54c4cb4eb1951cfc24e6", kill_on_drop: false }`
[INFO] [stdout] 0d88efab728e3df0b6ac4603bb8209d963d62231499a54c4cb4eb1951cfc24e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07843e69286eadef1e4ba935fe45bd77b75026d2125b8c84310c6958cd79858a
[INFO] running `Command { std: "docker" "start" "-a" "07843e69286eadef1e4ba935fe45bd77b75026d2125b8c84310c6958cd79858a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling wait_group v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "07843e69286eadef1e4ba935fe45bd77b75026d2125b8c84310c6958cd79858a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07843e69286eadef1e4ba935fe45bd77b75026d2125b8c84310c6958cd79858a", kill_on_drop: false }`
[INFO] [stdout] 07843e69286eadef1e4ba935fe45bd77b75026d2125b8c84310c6958cd79858a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 843ff9ce80a31966ad021455ae3406d2cdc1cb506b6f4223135286e7371b6d40
[INFO] running `Command { std: "docker" "start" "-a" "843ff9ce80a31966ad021455ae3406d2cdc1cb506b6f4223135286e7371b6d40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wait_group-813bfc77fba3ec33)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::it_work ... ok
[INFO] [stdout] test tests::inner_counter_error - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wait_group
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - WaitGroup (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "843ff9ce80a31966ad021455ae3406d2cdc1cb506b6f4223135286e7371b6d40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "843ff9ce80a31966ad021455ae3406d2cdc1cb506b6f4223135286e7371b6d40", kill_on_drop: false }`
[INFO] [stdout] 843ff9ce80a31966ad021455ae3406d2cdc1cb506b6f4223135286e7371b6d40