[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 beta-2022-02-22 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-25/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mkmik/rust-dwarf-attack on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-25/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-25/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" "+beta-2022-02-22" "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-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ce36cc3b7e531b5363587f323c7a616e821f0f69c4fe96fd862ec67798a9c6
[INFO] running `Command { std: "docker" "start" "-a" "e6ce36cc3b7e531b5363587f323c7a616e821f0f69c4fe96fd862ec67798a9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ce36cc3b7e531b5363587f323c7a616e821f0f69c4fe96fd862ec67798a9c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ce36cc3b7e531b5363587f323c7a616e821f0f69c4fe96fd862ec67798a9c6", kill_on_drop: false }`
[INFO] [stdout] e6ce36cc3b7e531b5363587f323c7a616e821f0f69c4fe96fd862ec67798a9c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66598014b4d9287bea6ef78995b97139dfe999df3a2abafc88715898d211e582
[INFO] running `Command { std: "docker" "start" "-a" "66598014b4d9287bea6ef78995b97139dfe999df3a2abafc88715898d211e582", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "66598014b4d9287bea6ef78995b97139dfe999df3a2abafc88715898d211e582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66598014b4d9287bea6ef78995b97139dfe999df3a2abafc88715898d211e582", kill_on_drop: false }`
[INFO] [stdout] 66598014b4d9287bea6ef78995b97139dfe999df3a2abafc88715898d211e582
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcec01a9abc6b033c529323c4467313e82be56422fb17ce320ac45d8b68b4018
[INFO] running `Command { std: "docker" "start" "-a" "dcec01a9abc6b033c529323c4467313e82be56422fb17ce320ac45d8b68b4018", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "dcec01a9abc6b033c529323c4467313e82be56422fb17ce320ac45d8b68b4018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcec01a9abc6b033c529323c4467313e82be56422fb17ce320ac45d8b68b4018", kill_on_drop: false }`
[INFO] [stdout] dcec01a9abc6b033c529323c4467313e82be56422fb17ce320ac45d8b68b4018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f56cae582fd5168effb4bc7c643fc0977cef5d0dbbe371b55d0cae1006c9cd7c
[INFO] running `Command { std: "docker" "start" "-a" "f56cae582fd5168effb4bc7c643fc0977cef5d0dbbe371b55d0cae1006c9cd7c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustack-5679df7894f639a6)
[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" "f56cae582fd5168effb4bc7c643fc0977cef5d0dbbe371b55d0cae1006c9cd7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f56cae582fd5168effb4bc7c643fc0977cef5d0dbbe371b55d0cae1006c9cd7c", kill_on_drop: false }`
[INFO] [stdout] f56cae582fd5168effb4bc7c643fc0977cef5d0dbbe371b55d0cae1006c9cd7c