[INFO] fetching crate rcc 0.10.0...
[INFO] testing rcc-0.10.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate rcc 0.10.0 into /workspace/builds/worker-99/source
[INFO] validating manifest of crates.io crate rcc 0.10.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rcc 0.10.0
[INFO] finished tweaking crates.io crate rcc 0.10.0
[INFO] tweaked toml for crates.io crate rcc 0.10.0 written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate crates.io crate rcc 0.10.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50bbd11d48a67caca6bf70eacd8d6d71f773ff9ad3a89480a6848eae802be58f
[INFO] running `Command { std: "docker" "start" "-a" "50bbd11d48a67caca6bf70eacd8d6d71f773ff9ad3a89480a6848eae802be58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50bbd11d48a67caca6bf70eacd8d6d71f773ff9ad3a89480a6848eae802be58f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50bbd11d48a67caca6bf70eacd8d6d71f773ff9ad3a89480a6848eae802be58f", kill_on_drop: false }`
[INFO] [stdout] 50bbd11d48a67caca6bf70eacd8d6d71f773ff9ad3a89480a6848eae802be58f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe685386c98459ad3a0d529d0000246224f1ced48cf18e62630ec5b0d97598a7
[INFO] running `Command { std: "docker" "start" "-a" "fe685386c98459ad3a0d529d0000246224f1ced48cf18e62630ec5b0d97598a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rcc v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "fe685386c98459ad3a0d529d0000246224f1ced48cf18e62630ec5b0d97598a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe685386c98459ad3a0d529d0000246224f1ced48cf18e62630ec5b0d97598a7", kill_on_drop: false }`
[INFO] [stdout] fe685386c98459ad3a0d529d0000246224f1ced48cf18e62630ec5b0d97598a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b0e4dfd4879cc89db9745c74fc62dc77a0045ebcb5a6ffbd14a909195e174cc
[INFO] running `Command { std: "docker" "start" "-a" "5b0e4dfd4879cc89db9745c74fc62dc77a0045ebcb5a6ffbd14a909195e174cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcc v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "5b0e4dfd4879cc89db9745c74fc62dc77a0045ebcb5a6ffbd14a909195e174cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0e4dfd4879cc89db9745c74fc62dc77a0045ebcb5a6ffbd14a909195e174cc", kill_on_drop: false }`
[INFO] [stdout] 5b0e4dfd4879cc89db9745c74fc62dc77a0045ebcb5a6ffbd14a909195e174cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4b21e7d6cad5d32c4f3afbc495515a7e57b99d61128372a6d724d5ce6775cf33
[INFO] running `Command { std: "docker" "start" "-a" "4b21e7d6cad5d32c4f3afbc495515a7e57b99d61128372a6d724d5ce6775cf33", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcc-552de39a043a853a)
[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" "4b21e7d6cad5d32c4f3afbc495515a7e57b99d61128372a6d724d5ce6775cf33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b21e7d6cad5d32c4f3afbc495515a7e57b99d61128372a6d724d5ce6775cf33", kill_on_drop: false }`
[INFO] [stdout] 4b21e7d6cad5d32c4f3afbc495515a7e57b99d61128372a6d724d5ce6775cf33