[INFO] fetching crate linux_once 0.1.1...
[INFO] testing linux_once-0.1.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate linux_once 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate linux_once 0.1.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate linux_once 0.1.1
[INFO] finished tweaking crates.io crate linux_once 0.1.1
[INFO] tweaked toml for crates.io crate linux_once 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded linux-futex v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2db78fc24666af25a24252daf355b82fb4e8cf7e04d0f5f66834146ab61e945
[INFO] running `Command { std: "docker" "start" "-a" "d2db78fc24666af25a24252daf355b82fb4e8cf7e04d0f5f66834146ab61e945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2db78fc24666af25a24252daf355b82fb4e8cf7e04d0f5f66834146ab61e945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2db78fc24666af25a24252daf355b82fb4e8cf7e04d0f5f66834146ab61e945", kill_on_drop: false }`
[INFO] [stdout] d2db78fc24666af25a24252daf355b82fb4e8cf7e04d0f5f66834146ab61e945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e54ff93ac12f054ff56ab2108ecc769ef14f20c9be56059ef1ecfac41e226bbc
[INFO] running `Command { std: "docker" "start" "-a" "e54ff93ac12f054ff56ab2108ecc769ef14f20c9be56059ef1ecfac41e226bbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling linux-futex v0.1.1
[INFO] [stderr]    Compiling linux_once v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "e54ff93ac12f054ff56ab2108ecc769ef14f20c9be56059ef1ecfac41e226bbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e54ff93ac12f054ff56ab2108ecc769ef14f20c9be56059ef1ecfac41e226bbc", kill_on_drop: false }`
[INFO] [stdout] e54ff93ac12f054ff56ab2108ecc769ef14f20c9be56059ef1ecfac41e226bbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dff52e99e3a14257a21a100f7cf1f188bd8206e6818cae7275981acb0e431a8
[INFO] running `Command { std: "docker" "start" "-a" "1dff52e99e3a14257a21a100f7cf1f188bd8206e6818cae7275981acb0e431a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling linux_once v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "1dff52e99e3a14257a21a100f7cf1f188bd8206e6818cae7275981acb0e431a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dff52e99e3a14257a21a100f7cf1f188bd8206e6818cae7275981acb0e431a8", kill_on_drop: false }`
[INFO] [stdout] 1dff52e99e3a14257a21a100f7cf1f188bd8206e6818cae7275981acb0e431a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a828bbe916eb70f918118ae5fb89b16f4a30dfa59cfdb3f9611849aa7583b84
[INFO] running `Command { std: "docker" "start" "-a" "5a828bbe916eb70f918118ae5fb89b16f4a30dfa59cfdb3f9611849aa7583b84", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test our_tests::basic ... ok
[INFO] [stdout] test tests::smoke_once ... ok
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/linux_once-0ee07d1d7a5f0696)
[INFO] [stdout] test tests::stampede_once ... ok
[INFO] [stdout] test our_tests::multithreaded ... ok
[INFO] [stderr]    Doc-tests linux_once
[INFO] [stdout] test tests::poison_bad ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[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" "5a828bbe916eb70f918118ae5fb89b16f4a30dfa59cfdb3f9611849aa7583b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a828bbe916eb70f918118ae5fb89b16f4a30dfa59cfdb3f9611849aa7583b84", kill_on_drop: false }`
[INFO] [stdout] 5a828bbe916eb70f918118ae5fb89b16f4a30dfa59cfdb3f9611849aa7583b84