[INFO] cloning repository https://github.com/mkmik/rust-dwarf-attack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkmik/rust-dwarf-attack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Frust-dwarf-attack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Frust-dwarf-attack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07abd661621c0680d4dca3b14c0030fd36e3db03
[INFO] testing mkmik/rust-dwarf-attack against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkmik%2Frust-dwarf-attack" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkmik/rust-dwarf-attack on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/mkmik/rust-dwarf-attack
[INFO] finished tweaking git repo https://github.com/mkmik/rust-dwarf-attack
[INFO] tweaked toml for git repo https://github.com/mkmik/rust-dwarf-attack written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mkmik/rust-dwarf-attack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b1c50f52bc7280c69764ca89adc0f67a49419439d90f8419a89d0f54abba613
[INFO] running `Command { std: "docker" "start" "-a" "6b1c50f52bc7280c69764ca89adc0f67a49419439d90f8419a89d0f54abba613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1c50f52bc7280c69764ca89adc0f67a49419439d90f8419a89d0f54abba613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1c50f52bc7280c69764ca89adc0f67a49419439d90f8419a89d0f54abba613", kill_on_drop: false }`
[INFO] [stdout] 6b1c50f52bc7280c69764ca89adc0f67a49419439d90f8419a89d0f54abba613
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ecc29a64db9d28a60da19f3368232e3c76178c1327d4e5b402ce90b25bd815
[INFO] running `Command { std: "docker" "start" "-a" "04ecc29a64db9d28a60da19f3368232e3c76178c1327d4e5b402ce90b25bd815", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "04ecc29a64db9d28a60da19f3368232e3c76178c1327d4e5b402ce90b25bd815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ecc29a64db9d28a60da19f3368232e3c76178c1327d4e5b402ce90b25bd815", kill_on_drop: false }`
[INFO] [stdout] 04ecc29a64db9d28a60da19f3368232e3c76178c1327d4e5b402ce90b25bd815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b314efd6fda979b52cfa69a6b4d15e12bb8a460df0f328fad427823bcd05356
[INFO] running `Command { std: "docker" "start" "-a" "6b314efd6fda979b52cfa69a6b4d15e12bb8a460df0f328fad427823bcd05356", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "6b314efd6fda979b52cfa69a6b4d15e12bb8a460df0f328fad427823bcd05356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b314efd6fda979b52cfa69a6b4d15e12bb8a460df0f328fad427823bcd05356", kill_on_drop: false }`
[INFO] [stdout] 6b314efd6fda979b52cfa69a6b4d15e12bb8a460df0f328fad427823bcd05356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 495640b5aa5f133928c7005f91bf07aba1e11c64f7621f083f62af316fc083d8
[INFO] running `Command { std: "docker" "start" "-a" "495640b5aa5f133928c7005f91bf07aba1e11c64f7621f083f62af316fc083d8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.45s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustack-6c3c6f09ceaff27a)
[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" "495640b5aa5f133928c7005f91bf07aba1e11c64f7621f083f62af316fc083d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "495640b5aa5f133928c7005f91bf07aba1e11c64f7621f083f62af316fc083d8", kill_on_drop: false }`
[INFO] [stdout] 495640b5aa5f133928c7005f91bf07aba1e11c64f7621f083f62af316fc083d8