[INFO] fetching crate cranelift-preopt 0.75.0...
[INFO] testing cranelift-preopt-0.75.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate cranelift-preopt 0.75.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cranelift-preopt 0.75.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cranelift-preopt 0.75.0
[INFO] finished tweaking crates.io crate cranelift-preopt 0.75.0
[INFO] tweaked toml for crates.io crate cranelift-preopt 0.75.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bee28e705b6291085bf6e45a093e2afe12f5313ed0cd3ce9cf2272afe526c0d
[INFO] running `Command { std: "docker" "start" "-a" "7bee28e705b6291085bf6e45a093e2afe12f5313ed0cd3ce9cf2272afe526c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bee28e705b6291085bf6e45a093e2afe12f5313ed0cd3ce9cf2272afe526c0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bee28e705b6291085bf6e45a093e2afe12f5313ed0cd3ce9cf2272afe526c0d", kill_on_drop: false }`
[INFO] [stdout] 7bee28e705b6291085bf6e45a093e2afe12f5313ed0cd3ce9cf2272afe526c0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acabfb505ba2134396a13455426253709390eaaa46a97aa12ebea7e3124e5293
[INFO] running `Command { std: "docker" "start" "-a" "acabfb505ba2134396a13455426253709390eaaa46a97aa12ebea7e3124e5293", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-entity v0.75.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.75.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling target-lexicon v0.12.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0
[INFO] [stderr]    Compiling cranelift-bforest v0.75.0
[INFO] [stderr]    Compiling regalloc v0.0.31
[INFO] [stderr]    Compiling cranelift-codegen v0.75.0
[INFO] [stderr]    Compiling cranelift-preopt v0.75.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.81s
[INFO] running `Command { std: "docker" "inspect" "acabfb505ba2134396a13455426253709390eaaa46a97aa12ebea7e3124e5293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acabfb505ba2134396a13455426253709390eaaa46a97aa12ebea7e3124e5293", kill_on_drop: false }`
[INFO] [stdout] acabfb505ba2134396a13455426253709390eaaa46a97aa12ebea7e3124e5293
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f7ecb55b39e8b2d1d39b2131e8e5ae0e41b1209cd850b8803a5ef4eaac662ea
[INFO] running `Command { std: "docker" "start" "-a" "2f7ecb55b39e8b2d1d39b2131e8e5ae0e41b1209cd850b8803a5ef4eaac662ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling cranelift-preopt v0.75.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.42s
[INFO] running `Command { std: "docker" "inspect" "2f7ecb55b39e8b2d1d39b2131e8e5ae0e41b1209cd850b8803a5ef4eaac662ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7ecb55b39e8b2d1d39b2131e8e5ae0e41b1209cd850b8803a5ef4eaac662ea", kill_on_drop: false }`
[INFO] [stdout] 2f7ecb55b39e8b2d1d39b2131e8e5ae0e41b1209cd850b8803a5ef4eaac662ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ca650d6564c9d5a77387dcfa065896b6ae4b70f26ed966fe4bd06d0eb3be983e
[INFO] running `Command { std: "docker" "start" "-a" "ca650d6564c9d5a77387dcfa065896b6ae4b70f26ed966fe4bd06d0eb3be983e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cranelift_preopt-f5b338abea9c1f4b)
[INFO] [stderr]    Doc-tests cranelift-preopt
[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] [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" "ca650d6564c9d5a77387dcfa065896b6ae4b70f26ed966fe4bd06d0eb3be983e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca650d6564c9d5a77387dcfa065896b6ae4b70f26ed966fe4bd06d0eb3be983e", kill_on_drop: false }`
[INFO] [stdout] ca650d6564c9d5a77387dcfa065896b6ae4b70f26ed966fe4bd06d0eb3be983e