[INFO] fetching crate waitcell 0.4.1...
[INFO] testing waitcell-0.4.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate waitcell 0.4.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate waitcell 0.4.1
[INFO] finished tweaking crates.io crate waitcell 0.4.1
[INFO] tweaked toml for crates.io crate waitcell 0.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate waitcell 0.4.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd6a36beaf93f343e84d6356c0f389099dd308403b6a1b6640400292d8385d4b
[INFO] running `Command { std: "docker" "start" "-a" "bd6a36beaf93f343e84d6356c0f389099dd308403b6a1b6640400292d8385d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd6a36beaf93f343e84d6356c0f389099dd308403b6a1b6640400292d8385d4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd6a36beaf93f343e84d6356c0f389099dd308403b6a1b6640400292d8385d4b", kill_on_drop: false }`
[INFO] [stdout] bd6a36beaf93f343e84d6356c0f389099dd308403b6a1b6640400292d8385d4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04f7bbb750d23809c7244f4e49fee714f46e1bcc57114333f0ad5d3313fcd174
[INFO] running `Command { std: "docker" "start" "-a" "04f7bbb750d23809c7244f4e49fee714f46e1bcc57114333f0ad5d3313fcd174", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling waitcell v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "04f7bbb750d23809c7244f4e49fee714f46e1bcc57114333f0ad5d3313fcd174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04f7bbb750d23809c7244f4e49fee714f46e1bcc57114333f0ad5d3313fcd174", kill_on_drop: false }`
[INFO] [stdout] 04f7bbb750d23809c7244f4e49fee714f46e1bcc57114333f0ad5d3313fcd174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fce9743e2cc7045dcfe7f9f1a3ac9a0c310793c4751c8bf59281d707af5a1f75
[INFO] running `Command { std: "docker" "start" "-a" "fce9743e2cc7045dcfe7f9f1a3ac9a0c310793c4751c8bf59281d707af5a1f75", kill_on_drop: false }`
[INFO] [stderr]    Compiling waitcell v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "fce9743e2cc7045dcfe7f9f1a3ac9a0c310793c4751c8bf59281d707af5a1f75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce9743e2cc7045dcfe7f9f1a3ac9a0c310793c4751c8bf59281d707af5a1f75", kill_on_drop: false }`
[INFO] [stdout] fce9743e2cc7045dcfe7f9f1a3ac9a0c310793c4751c8bf59281d707af5a1f75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a97fc4b0d98fa3b38d9669806c3d23cbf6e9010e090c078fccdf1899ad738d7
[INFO] running `Command { std: "docker" "start" "-a" "4a97fc4b0d98fa3b38d9669806c3d23cbf6e9010e090c078fccdf1899ad738d7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/waitcell-67b7818cdb2b5dc5)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::init_try_get ... ok
[INFO] [stdout] test tests::uninit_init ... ok
[INFO] [stdout] test tests::uninit_try_get ... ok
[INFO] [stdout] test tests::init_twice ... ok
[INFO] [stdout] test tests::stress ... ok
[INFO] [stderr]    Doc-tests waitcell
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 6.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a97fc4b0d98fa3b38d9669806c3d23cbf6e9010e090c078fccdf1899ad738d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a97fc4b0d98fa3b38d9669806c3d23cbf6e9010e090c078fccdf1899ad738d7", kill_on_drop: false }`
[INFO] [stdout] 4a97fc4b0d98fa3b38d9669806c3d23cbf6e9010e090c078fccdf1899ad738d7