[INFO] fetching crate m6stack 0.1.0...
[INFO] testing m6stack-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate m6stack 0.1.0 into /workspace/builds/worker-34/source
[INFO] validating manifest of crates.io crate m6stack 0.1.0 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 m6stack 0.1.0
[INFO] finished tweaking crates.io crate m6stack 0.1.0
[INFO] tweaked toml for crates.io crate m6stack 0.1.0 written to /workspace/builds/worker-34/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] 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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] bd4b3de2fcc7320c4c908c894aef02ae5f66ac9eb6b9ab83fb552fd67e570f8d
[INFO] running `Command { std: "docker" "start" "-a" "bd4b3de2fcc7320c4c908c894aef02ae5f66ac9eb6b9ab83fb552fd67e570f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd4b3de2fcc7320c4c908c894aef02ae5f66ac9eb6b9ab83fb552fd67e570f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd4b3de2fcc7320c4c908c894aef02ae5f66ac9eb6b9ab83fb552fd67e570f8d", kill_on_drop: false }`
[INFO] [stdout] bd4b3de2fcc7320c4c908c894aef02ae5f66ac9eb6b9ab83fb552fd67e570f8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 0acdf0a15346d14ba176d335d29056672a1aaaf7294f9a8561d7da5e9f3beac5
[INFO] running `Command { std: "docker" "start" "-a" "0acdf0a15346d14ba176d335d29056672a1aaaf7294f9a8561d7da5e9f3beac5", kill_on_drop: false }`
[INFO] [stderr]    Compiling m6stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "0acdf0a15346d14ba176d335d29056672a1aaaf7294f9a8561d7da5e9f3beac5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0acdf0a15346d14ba176d335d29056672a1aaaf7294f9a8561d7da5e9f3beac5", kill_on_drop: false }`
[INFO] [stdout] 0acdf0a15346d14ba176d335d29056672a1aaaf7294f9a8561d7da5e9f3beac5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] 2a9abfbd0a50ca09b703283756d29a1d291e1a9667de0ad505d051506d09079e
[INFO] running `Command { std: "docker" "start" "-a" "2a9abfbd0a50ca09b703283756d29a1d291e1a9667de0ad505d051506d09079e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling m6stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "2a9abfbd0a50ca09b703283756d29a1d291e1a9667de0ad505d051506d09079e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a9abfbd0a50ca09b703283756d29a1d291e1a9667de0ad505d051506d09079e", kill_on_drop: false }`
[INFO] [stdout] 2a9abfbd0a50ca09b703283756d29a1d291e1a9667de0ad505d051506d09079e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] ec4f4e30cc5ad099a27b0a746b80145080139f5a9c1fc879b6ffb4ec25cf3291
[INFO] running `Command { std: "docker" "start" "-a" "ec4f4e30cc5ad099a27b0a746b80145080139f5a9c1fc879b6ffb4ec25cf3291", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/m6stack-2172244b03a13bc8)
[INFO] [stdout] test test::test_stack_struct ... ok
[INFO] [stderr]    Doc-tests m6stack
[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" "ec4f4e30cc5ad099a27b0a746b80145080139f5a9c1fc879b6ffb4ec25cf3291", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec4f4e30cc5ad099a27b0a746b80145080139f5a9c1fc879b6ffb4ec25cf3291", kill_on_drop: false }`
[INFO] [stdout] ec4f4e30cc5ad099a27b0a746b80145080139f5a9c1fc879b6ffb4ec25cf3291