[INFO] fetching crate rust-waitgroup 0.1.0...
[INFO] testing rust-waitgroup-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate rust-waitgroup 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate rust-waitgroup 0.1.0
[INFO] finished tweaking crates.io crate rust-waitgroup 0.1.0
[INFO] tweaked toml for crates.io crate rust-waitgroup 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-waitgroup 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a295cbfc7a0180400f98a48615973f5e52bbc25a8cf37f4dac7c50a48e68b10f
[INFO] running `Command { std: "docker" "start" "-a" "a295cbfc7a0180400f98a48615973f5e52bbc25a8cf37f4dac7c50a48e68b10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a295cbfc7a0180400f98a48615973f5e52bbc25a8cf37f4dac7c50a48e68b10f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a295cbfc7a0180400f98a48615973f5e52bbc25a8cf37f4dac7c50a48e68b10f", kill_on_drop: false }`
[INFO] [stdout] a295cbfc7a0180400f98a48615973f5e52bbc25a8cf37f4dac7c50a48e68b10f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cccb9ea27e8adc0e10972b3981c0ffd7f4364c89c082f2f11817145371feea63
[INFO] running `Command { std: "docker" "start" "-a" "cccb9ea27e8adc0e10972b3981c0ffd7f4364c89c082f2f11817145371feea63", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-waitgroup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "cccb9ea27e8adc0e10972b3981c0ffd7f4364c89c082f2f11817145371feea63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cccb9ea27e8adc0e10972b3981c0ffd7f4364c89c082f2f11817145371feea63", kill_on_drop: false }`
[INFO] [stdout] cccb9ea27e8adc0e10972b3981c0ffd7f4364c89c082f2f11817145371feea63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41c08209e52eaddc06a7cb1cc90589dc9eef2cdff8a7df73e92d2fe57031bb2d
[INFO] running `Command { std: "docker" "start" "-a" "41c08209e52eaddc06a7cb1cc90589dc9eef2cdff8a7df73e92d2fe57031bb2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-waitgroup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "41c08209e52eaddc06a7cb1cc90589dc9eef2cdff8a7df73e92d2fe57031bb2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c08209e52eaddc06a7cb1cc90589dc9eef2cdff8a7df73e92d2fe57031bb2d", kill_on_drop: false }`
[INFO] [stdout] 41c08209e52eaddc06a7cb1cc90589dc9eef2cdff8a7df73e92d2fe57031bb2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 10d4ff7c7ded6bf8b9c9eb06dd240a9bbd8b403e56186c85c19e76829724aeb5
[INFO] running `Command { std: "docker" "start" "-a" "10d4ff7c7ded6bf8b9c9eb06dd240a9bbd8b403e56186c85c19e76829724aeb5", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust_waitgroup-99438490182dfc07)
[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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust_waitgroup
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - WaitGroup (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "10d4ff7c7ded6bf8b9c9eb06dd240a9bbd8b403e56186c85c19e76829724aeb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d4ff7c7ded6bf8b9c9eb06dd240a9bbd8b403e56186c85c19e76829724aeb5", kill_on_drop: false }`
[INFO] [stdout] 10d4ff7c7ded6bf8b9c9eb06dd240a9bbd8b403e56186c85c19e76829724aeb5