[INFO] cloning repository https://github.com/nilsmartel/loop-jit-attempt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nilsmartel/loop-jit-attempt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Floop-jit-attempt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Floop-jit-attempt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dff9452e6834e73b3b2ee8e369e19f3f80c7a3b3
[INFO] checking nilsmartel/loop-jit-attempt against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Floop-jit-attempt" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilsmartel/loop-jit-attempt on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nilsmartel/loop-jit-attempt
[INFO] finished tweaking git repo https://github.com/nilsmartel/loop-jit-attempt
[INFO] tweaked toml for git repo https://github.com/nilsmartel/loop-jit-attempt written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nilsmartel/loop-jit-attempt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cranelift v0.75.0
[INFO] [stderr]   Downloaded cranelift-native v0.75.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.75.0
[INFO] [stderr]   Downloaded cranelift-jit v0.75.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.75.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.75.0
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.75.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.75.0
[INFO] [stderr]   Downloaded cranelift-entity v0.75.0
[INFO] [stderr]   Downloaded cranelift-module v0.75.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4bee8985142890b4d1f58a4685986299f5fcf98fa2e0b43da57345398e57557
[INFO] running `Command { std: "docker" "start" "-a" "d4bee8985142890b4d1f58a4685986299f5fcf98fa2e0b43da57345398e57557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4bee8985142890b4d1f58a4685986299f5fcf98fa2e0b43da57345398e57557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4bee8985142890b4d1f58a4685986299f5fcf98fa2e0b43da57345398e57557", kill_on_drop: false }`
[INFO] [stdout] d4bee8985142890b4d1f58a4685986299f5fcf98fa2e0b43da57345398e57557
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0a3996ba366592f49762bb5c5edf8d68c4ac97c8733e59d47e48a4197823fbb
[INFO] running `Command { std: "docker" "start" "-a" "d0a3996ba366592f49762bb5c5edf8d68c4ac97c8733e59d47e48a4197823fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.75.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-entity v0.75.0
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking cranelift-bforest v0.75.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling cranelift-codegen v0.75.0
[INFO] [stderr]     Checking cranelift-native v0.75.0
[INFO] [stderr]     Checking cranelift-frontend v0.75.0
[INFO] [stderr]     Checking cranelift-module v0.75.0
[INFO] [stderr]     Checking cranelift-jit v0.75.0
[INFO] [stderr]     Checking cranelift v0.75.0
[INFO] [stderr]     Checking loop-jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.93s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.75.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "d0a3996ba366592f49762bb5c5edf8d68c4ac97c8733e59d47e48a4197823fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a3996ba366592f49762bb5c5edf8d68c4ac97c8733e59d47e48a4197823fbb", kill_on_drop: false }`
[INFO] [stdout] d0a3996ba366592f49762bb5c5edf8d68c4ac97c8733e59d47e48a4197823fbb
[INFO] checking nilsmartel/loop-jit-attempt against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnilsmartel%2Floop-jit-attempt" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nilsmartel/loop-jit-attempt on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nilsmartel/loop-jit-attempt
[INFO] finished tweaking git repo https://github.com/nilsmartel/loop-jit-attempt
[INFO] tweaked toml for git repo https://github.com/nilsmartel/loop-jit-attempt written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/nilsmartel/loop-jit-attempt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b5b32005e3d0db37eb4671c071aebe0f72f738bd3dac3f759a4d724786602ba
[INFO] running `Command { std: "docker" "start" "-a" "7b5b32005e3d0db37eb4671c071aebe0f72f738bd3dac3f759a4d724786602ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b5b32005e3d0db37eb4671c071aebe0f72f738bd3dac3f759a4d724786602ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b5b32005e3d0db37eb4671c071aebe0f72f738bd3dac3f759a4d724786602ba", kill_on_drop: false }`
[INFO] [stdout] 7b5b32005e3d0db37eb4671c071aebe0f72f738bd3dac3f759a4d724786602ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 940d7fc581a435a3f04c2cc7e5e07f0ccc818cbdeacf57215b1d1fabd2e4e7e6
[INFO] running `Command { std: "docker" "start" "-a" "940d7fc581a435a3f04c2cc7e5e07f0ccc818cbdeacf57215b1d1fabd2e4e7e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cranelift-entity v0.75.0
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.75.0
[INFO] [stderr]    Compiling target-lexicon v0.12.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.75.0
[INFO] [stderr]     Checking cranelift-bforest v0.75.0
[INFO] [stderr]     Checking regalloc v0.0.31
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking region v2.2.0
[INFO] [stderr]    Compiling cranelift-codegen v0.75.0
[INFO] [stderr]     Checking cranelift-frontend v0.75.0
[INFO] [stderr]     Checking cranelift-module v0.75.0
[INFO] [stderr]     Checking cranelift-native v0.75.0
[INFO] [stderr]     Checking cranelift-jit v0.75.0
[INFO] [stderr]     Checking cranelift v0.75.0
[INFO] [stderr]     Checking loop-jit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.79s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cranelift-codegen-meta v0.75.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "940d7fc581a435a3f04c2cc7e5e07f0ccc818cbdeacf57215b1d1fabd2e4e7e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "940d7fc581a435a3f04c2cc7e5e07f0ccc818cbdeacf57215b1d1fabd2e4e7e6", kill_on_drop: false }`
[INFO] [stdout] 940d7fc581a435a3f04c2cc7e5e07f0ccc818cbdeacf57215b1d1fabd2e4e7e6