[INFO] fetching crate mpst 0.0.1...
[INFO] testing mpst-0.0.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate mpst 0.0.1 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate mpst 0.0.1 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 mpst 0.0.1
[INFO] finished tweaking crates.io crate mpst 0.0.1
[INFO] tweaked toml for crates.io crate mpst 0.0.1 written to /workspace/builds/worker-109/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 3d2f7f20b6e9eda12ecd7b88d31dfcbc2a45b94828c352a085195f1556299f80
[INFO] running `Command { std: "docker" "start" "-a" "3d2f7f20b6e9eda12ecd7b88d31dfcbc2a45b94828c352a085195f1556299f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d2f7f20b6e9eda12ecd7b88d31dfcbc2a45b94828c352a085195f1556299f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2f7f20b6e9eda12ecd7b88d31dfcbc2a45b94828c352a085195f1556299f80", kill_on_drop: false }`
[INFO] [stdout] 3d2f7f20b6e9eda12ecd7b88d31dfcbc2a45b94828c352a085195f1556299f80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] e8fe54a77c18b7a1affc73c40ce2104f2c278bc28a1887a89a7efdcbc42026f5
[INFO] running `Command { std: "docker" "start" "-a" "e8fe54a77c18b7a1affc73c40ce2104f2c278bc28a1887a89a7efdcbc42026f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling mpst v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "e8fe54a77c18b7a1affc73c40ce2104f2c278bc28a1887a89a7efdcbc42026f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fe54a77c18b7a1affc73c40ce2104f2c278bc28a1887a89a7efdcbc42026f5", kill_on_drop: false }`
[INFO] [stdout] e8fe54a77c18b7a1affc73c40ce2104f2c278bc28a1887a89a7efdcbc42026f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] c3aca0fb6e13879123dbc06710a3ecf58b5847c2fcfe2aa44ea408b462e0be22
[INFO] running `Command { std: "docker" "start" "-a" "c3aca0fb6e13879123dbc06710a3ecf58b5847c2fcfe2aa44ea408b462e0be22", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mpst v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "c3aca0fb6e13879123dbc06710a3ecf58b5847c2fcfe2aa44ea408b462e0be22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3aca0fb6e13879123dbc06710a3ecf58b5847c2fcfe2aa44ea408b462e0be22", kill_on_drop: false }`
[INFO] [stdout] c3aca0fb6e13879123dbc06710a3ecf58b5847c2fcfe2aa44ea408b462e0be22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 8295890db5a98c7d66da8ef2f116700b01c38eeafd11f5ca06dfacc780d5bfe6
[INFO] running `Command { std: "docker" "start" "-a" "8295890db5a98c7d66da8ef2f116700b01c38eeafd11f5ca06dfacc780d5bfe6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mpst-f044b2087bd9e1df)
[INFO] [stderr]    Doc-tests mpst
[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 0.00s
[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" "8295890db5a98c7d66da8ef2f116700b01c38eeafd11f5ca06dfacc780d5bfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8295890db5a98c7d66da8ef2f116700b01c38eeafd11f5ca06dfacc780d5bfe6", kill_on_drop: false }`
[INFO] [stdout] 8295890db5a98c7d66da8ef2f116700b01c38eeafd11f5ca06dfacc780d5bfe6