[INFO] fetching crate ns-std-threaded 0.3.0...
[INFO] testing ns-std-threaded-0.3.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate ns-std-threaded 0.3.0 into /workspace/builds/worker-46/source
[INFO] validating manifest of crates.io crate ns-std-threaded 0.3.0 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 ns-std-threaded 0.3.0
[INFO] finished tweaking crates.io crate ns-std-threaded 0.3.0
[INFO] tweaked toml for crates.io crate ns-std-threaded 0.3.0 written to /workspace/builds/worker-46/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] a658149369f5e8bdad1447450b30b003852f4c6d8e4a1ddd2e89f840e2d05405
[INFO] running `Command { std: "docker" "start" "-a" "a658149369f5e8bdad1447450b30b003852f4c6d8e4a1ddd2e89f840e2d05405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a658149369f5e8bdad1447450b30b003852f4c6d8e4a1ddd2e89f840e2d05405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a658149369f5e8bdad1447450b30b003852f4c6d8e4a1ddd2e89f840e2d05405", kill_on_drop: false }`
[INFO] [stdout] a658149369f5e8bdad1447450b30b003852f4c6d8e4a1ddd2e89f840e2d05405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 6ea3f4f989c7918450358cc487b3882fe96ab776b52910b399f1721867379ad0
[INFO] running `Command { std: "docker" "start" "-a" "6ea3f4f989c7918450358cc487b3882fe96ab776b52910b399f1721867379ad0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling abstract-ns v0.4.3
[INFO] [stderr]    Compiling ns-std-threaded v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] running `Command { std: "docker" "inspect" "6ea3f4f989c7918450358cc487b3882fe96ab776b52910b399f1721867379ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea3f4f989c7918450358cc487b3882fe96ab776b52910b399f1721867379ad0", kill_on_drop: false }`
[INFO] [stdout] 6ea3f4f989c7918450358cc487b3882fe96ab776b52910b399f1721867379ad0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 93244ffa523fe1525cc3d1efdea7ce0e069a2e6461bc5b77211a3f8e7115843a
[INFO] running `Command { std: "docker" "start" "-a" "93244ffa523fe1525cc3d1efdea7ce0e069a2e6461bc5b77211a3f8e7115843a", kill_on_drop: false }`
[INFO] [stderr]    Compiling argparse v0.2.2
[INFO] [stderr]    Compiling ns-std-threaded v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "93244ffa523fe1525cc3d1efdea7ce0e069a2e6461bc5b77211a3f8e7115843a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93244ffa523fe1525cc3d1efdea7ce0e069a2e6461bc5b77211a3f8e7115843a", kill_on_drop: false }`
[INFO] [stdout] 93244ffa523fe1525cc3d1efdea7ce0e069a2e6461bc5b77211a3f8e7115843a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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] 584e631b7f82777ec41d6745a5f484d9af944d82621585fba6de5f88c947cab0
[INFO] running `Command { std: "docker" "start" "-a" "584e631b7f82777ec41d6745a5f484d9af944d82621585fba6de5f88c947cab0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ns_std_threaded-decd90934d9e25b1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ns-std-threaded
[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] [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" "584e631b7f82777ec41d6745a5f484d9af944d82621585fba6de5f88c947cab0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584e631b7f82777ec41d6745a5f484d9af944d82621585fba6de5f88c947cab0", kill_on_drop: false }`
[INFO] [stdout] 584e631b7f82777ec41d6745a5f484d9af944d82621585fba6de5f88c947cab0