[INFO] fetching crate m6stack 0.1.0...
[INFO] testing m6stack-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate m6stack 0.1.0 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate m6stack 0.1.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4709255a17155a67f99f632fae3c932afeb43254a5dd54bf6f90963d6eecf1b
[INFO] running `Command { std: "docker" "start" "-a" "c4709255a17155a67f99f632fae3c932afeb43254a5dd54bf6f90963d6eecf1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4709255a17155a67f99f632fae3c932afeb43254a5dd54bf6f90963d6eecf1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4709255a17155a67f99f632fae3c932afeb43254a5dd54bf6f90963d6eecf1b", kill_on_drop: false }`
[INFO] [stdout] c4709255a17155a67f99f632fae3c932afeb43254a5dd54bf6f90963d6eecf1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad6697c538be508eb8e1e1a37522fafab3fc5f5232ad55245912e3e968444a21
[INFO] running `Command { std: "docker" "start" "-a" "ad6697c538be508eb8e1e1a37522fafab3fc5f5232ad55245912e3e968444a21", kill_on_drop: false }`
[INFO] [stderr]    Compiling m6stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `Command { std: "docker" "inspect" "ad6697c538be508eb8e1e1a37522fafab3fc5f5232ad55245912e3e968444a21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6697c538be508eb8e1e1a37522fafab3fc5f5232ad55245912e3e968444a21", kill_on_drop: false }`
[INFO] [stdout] ad6697c538be508eb8e1e1a37522fafab3fc5f5232ad55245912e3e968444a21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e05b68adaa560e3769e8f514b7779cbee4648ce28617d95e8c0cc0d7a6719c32
[INFO] running `Command { std: "docker" "start" "-a" "e05b68adaa560e3769e8f514b7779cbee4648ce28617d95e8c0cc0d7a6719c32", kill_on_drop: false }`
[INFO] [stderr]    Compiling m6stack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e05b68adaa560e3769e8f514b7779cbee4648ce28617d95e8c0cc0d7a6719c32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e05b68adaa560e3769e8f514b7779cbee4648ce28617d95e8c0cc0d7a6719c32", kill_on_drop: false }`
[INFO] [stdout] e05b68adaa560e3769e8f514b7779cbee4648ce28617d95e8c0cc0d7a6719c32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4d965c3b72847092ebaa2676182d2fd6892ead58f99b8de2d0c6d4a4c90b590e
[INFO] running `Command { std: "docker" "start" "-a" "4d965c3b72847092ebaa2676182d2fd6892ead58f99b8de2d0c6d4a4c90b590e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/m6stack-d01e95700909beb1)
[INFO] [stderr]    Doc-tests m6stack
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::test_stack_struct ... 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" "4d965c3b72847092ebaa2676182d2fd6892ead58f99b8de2d0c6d4a4c90b590e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d965c3b72847092ebaa2676182d2fd6892ead58f99b8de2d0c6d4a4c90b590e", kill_on_drop: false }`
[INFO] [stdout] 4d965c3b72847092ebaa2676182d2fd6892ead58f99b8de2d0c6d4a4c90b590e