[INFO] fetching crate twister 0.1.0...
[INFO] testing twister-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate twister 0.1.0 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate twister 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 twister 0.1.0
[INFO] finished tweaking crates.io crate twister 0.1.0
[INFO] tweaked toml for crates.io crate twister 0.1.0 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] crate crates.io crate twister 0.1.0 already has a lockfile, it will not be regenerated
[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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] c5238f516b0774c5645b060f91a430175231d6bb787e18fc6ce39aab36ae148c
[INFO] running `Command { std: "docker" "start" "-a" "c5238f516b0774c5645b060f91a430175231d6bb787e18fc6ce39aab36ae148c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5238f516b0774c5645b060f91a430175231d6bb787e18fc6ce39aab36ae148c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5238f516b0774c5645b060f91a430175231d6bb787e18fc6ce39aab36ae148c", kill_on_drop: false }`
[INFO] [stdout] c5238f516b0774c5645b060f91a430175231d6bb787e18fc6ce39aab36ae148c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 978ce7e3815d02f4a3d306c8595384cfb501f8611bb52ce8e243b7019266c76f
[INFO] running `Command { std: "docker" "start" "-a" "978ce7e3815d02f4a3d306c8595384cfb501f8611bb52ce8e243b7019266c76f", kill_on_drop: false }`
[INFO] [stderr]    Compiling twister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "978ce7e3815d02f4a3d306c8595384cfb501f8611bb52ce8e243b7019266c76f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978ce7e3815d02f4a3d306c8595384cfb501f8611bb52ce8e243b7019266c76f", kill_on_drop: false }`
[INFO] [stdout] 978ce7e3815d02f4a3d306c8595384cfb501f8611bb52ce8e243b7019266c76f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] e47dbb91765451ba1762fe74bf16839c294dab2de7031d0f2a2a61352aa40694
[INFO] running `Command { std: "docker" "start" "-a" "e47dbb91765451ba1762fe74bf16839c294dab2de7031d0f2a2a61352aa40694", kill_on_drop: false }`
[INFO] [stderr]    Compiling twister v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e47dbb91765451ba1762fe74bf16839c294dab2de7031d0f2a2a61352aa40694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e47dbb91765451ba1762fe74bf16839c294dab2de7031d0f2a2a61352aa40694", kill_on_drop: false }`
[INFO] [stdout] e47dbb91765451ba1762fe74bf16839c294dab2de7031d0f2a2a61352aa40694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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] 0259911fbf4e6f57912a4efc2922a59632a82543783c4d979a43e437e63f52b4
[INFO] running `Command { std: "docker" "start" "-a" "0259911fbf4e6f57912a4efc2922a59632a82543783c4d979a43e437e63f52b4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twister-78d4a36692739f98)
[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" "0259911fbf4e6f57912a4efc2922a59632a82543783c4d979a43e437e63f52b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0259911fbf4e6f57912a4efc2922a59632a82543783c4d979a43e437e63f52b4", kill_on_drop: false }`
[INFO] [stdout] 0259911fbf4e6f57912a4efc2922a59632a82543783c4d979a43e437e63f52b4