[INFO] cloning repository https://github.com/playXE/cranelift-mem2reg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playXE/cranelift-mem2reg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fcranelift-mem2reg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fcranelift-mem2reg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b048cd285a3e4fd3f904905ac977068222c77cd
[INFO] testing playXE/cranelift-mem2reg against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayXE%2Fcranelift-mem2reg" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/playXE/cranelift-mem2reg on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/playXE/cranelift-mem2reg
[INFO] finished tweaking git repo https://github.com/playXE/cranelift-mem2reg
[INFO] tweaked toml for git repo https://github.com/playXE/cranelift-mem2reg written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/playXE/cranelift-mem2reg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47651bcc550899a405df34d832c7a30628ed38fc4da122a307811b1700bb6c6f
[INFO] running `Command { std: "docker" "start" "-a" "47651bcc550899a405df34d832c7a30628ed38fc4da122a307811b1700bb6c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47651bcc550899a405df34d832c7a30628ed38fc4da122a307811b1700bb6c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47651bcc550899a405df34d832c7a30628ed38fc4da122a307811b1700bb6c6f", kill_on_drop: false }`
[INFO] [stdout] 47651bcc550899a405df34d832c7a30628ed38fc4da122a307811b1700bb6c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd1a7208172ca4a07ebf0f6d55e6f99473943f2156d4a64d8621ce8bfc6bab9c
[INFO] running `Command { std: "docker" "start" "-a" "dd1a7208172ca4a07ebf0f6d55e6f99473943f2156d4a64d8621ce8bfc6bab9c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling cranelift-entity v0.62.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.62.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling cranelift-bforest v0.62.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.62.0
[INFO] [stderr]    Compiling hashbrown v0.7.1
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling region v2.1.2
[INFO] [stderr]    Compiling errno v0.2.5
[INFO] [stderr]    Compiling const-random-macro v0.1.8
[INFO] [stderr]    Compiling const-random v0.1.8
[INFO] [stderr]    Compiling ahash v0.3.2
[INFO] [stderr]    Compiling hashlink v0.5.0
[INFO] [stderr]    Compiling cranelift-codegen v0.62.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.15
[INFO] [stderr]    Compiling thiserror v1.0.15
[INFO] [stderr]    Compiling cranelift-frontend v0.62.0
[INFO] [stderr]    Compiling cranelift-module v0.62.0
[INFO] [stderr]    Compiling cranelift-native v0.62.0
[INFO] [stderr]    Compiling cranelift-simplejit v0.62.0
[INFO] [stderr]    Compiling cranelift v0.62.0
[INFO] [stderr]    Compiling cranelift-mem2reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.90s
[INFO] running `Command { std: "docker" "inspect" "dd1a7208172ca4a07ebf0f6d55e6f99473943f2156d4a64d8621ce8bfc6bab9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd1a7208172ca4a07ebf0f6d55e6f99473943f2156d4a64d8621ce8bfc6bab9c", kill_on_drop: false }`
[INFO] [stdout] dd1a7208172ca4a07ebf0f6d55e6f99473943f2156d4a64d8621ce8bfc6bab9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 377db8e71db32590dbbc113f4deaf65de52675bd1c201d0fde60426d42a6a9c9
[INFO] running `Command { std: "docker" "start" "-a" "377db8e71db32590dbbc113f4deaf65de52675bd1c201d0fde60426d42a6a9c9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cranelift-mem2reg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.78s
[INFO] running `Command { std: "docker" "inspect" "377db8e71db32590dbbc113f4deaf65de52675bd1c201d0fde60426d42a6a9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "377db8e71db32590dbbc113f4deaf65de52675bd1c201d0fde60426d42a6a9c9", kill_on_drop: false }`
[INFO] [stdout] 377db8e71db32590dbbc113f4deaf65de52675bd1c201d0fde60426d42a6a9c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8da489f12a0eb8afbd56644c0b25a9a5f4e7c61030c1d0e3d3fc713b97cb9768
[INFO] running `Command { std: "docker" "start" "-a" "8da489f12a0eb8afbd56644c0b25a9a5f4e7c61030c1d0e3d3fc713b97cb9768", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cranelift_mem2reg-efe2c4f5e4df27be)
[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] [stderr]    Doc-tests cranelift-mem2reg
[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" "8da489f12a0eb8afbd56644c0b25a9a5f4e7c61030c1d0e3d3fc713b97cb9768", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da489f12a0eb8afbd56644c0b25a9a5f4e7c61030c1d0e3d3fc713b97cb9768", kill_on_drop: false }`
[INFO] [stdout] 8da489f12a0eb8afbd56644c0b25a9a5f4e7c61030c1d0e3d3fc713b97cb9768