[INFO] cloning repository https://github.com/poga/cranelift-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poga/cranelift-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoga%2Fcranelift-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoga%2Fcranelift-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee691823b33d77ba47cd877d69196fc494c66d81
[INFO] checking poga/cranelift-example against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoga%2Fcranelift-example" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/poga/cranelift-example on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/poga/cranelift-example
[INFO] finished tweaking git repo https://github.com/poga/cranelift-example
[INFO] tweaked toml for git repo https://github.com/poga/cranelift-example written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/poga/cranelift-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded region v2.1.2
[INFO] [stderr]   Downloaded cranelift-simplejit v0.33.0
[INFO] [stderr]   Downloaded cranelift v0.33.0
[INFO] [stderr]   Downloaded cranelift-module v0.33.0
[INFO] [stderr]   Downloaded cranelift-native v0.33.0
[INFO] [stderr]   Downloaded cranelift-bforest v0.33.0
[INFO] [stderr]   Downloaded cranelift-frontend v0.33.0
[INFO] [stderr]   Downloaded cranelift-entity v0.33.0
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.33.0
[INFO] [stderr]   Downloaded cranelift-codegen v0.33.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b10f5026992e82f3e9d9a83fa1a2ca40f3878284485bc96e39864b04d7bb342
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1b10f5026992e82f3e9d9a83fa1a2ca40f3878284485bc96e39864b04d7bb342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b10f5026992e82f3e9d9a83fa1a2ca40f3878284485bc96e39864b04d7bb342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b10f5026992e82f3e9d9a83fa1a2ca40f3878284485bc96e39864b04d7bb342", kill_on_drop: false }`
[INFO] [stdout] 1b10f5026992e82f3e9d9a83fa1a2ca40f3878284485bc96e39864b04d7bb342
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 50e95da3f33d580e988f7aa4c3ff2d183493dc747fcd903b70c3300cda97edd2
[INFO] running `Command { std: "docker" "start" "-a" "50e95da3f33d580e988f7aa4c3ff2d183493dc747fcd903b70c3300cda97edd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling cranelift-entity v0.33.0
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking cranelift-bforest v0.33.0
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.33.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling cranelift-codegen v0.33.0
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]     Checking cranelift-frontend v0.33.0
[INFO] [stderr]     Checking cranelift-native v0.33.0
[INFO] [stderr]     Checking cranelift-module v0.33.0
[INFO] [stderr]     Checking cranelift-simplejit v0.33.0
[INFO] [stderr]     Checking cranelift v0.33.0
[INFO] [stderr]     Checking cranelift-try v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `cranelift::codegen::ir::DisplayFunctionAnnotations`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cranelift::codegen::ir::DisplayFunctionAnnotations;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cranelift::codegen::write_function`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cranelift::codegen::write_function;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cranelift::codegen::ir::DisplayFunctionAnnotations`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use cranelift::codegen::ir::DisplayFunctionAnnotations;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cranelift::codegen::write_function`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use cranelift::codegen::write_function;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 09s
[INFO] running `Command { std: "docker" "inspect" "50e95da3f33d580e988f7aa4c3ff2d183493dc747fcd903b70c3300cda97edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e95da3f33d580e988f7aa4c3ff2d183493dc747fcd903b70c3300cda97edd2", kill_on_drop: false }`
[INFO] [stdout] 50e95da3f33d580e988f7aa4c3ff2d183493dc747fcd903b70c3300cda97edd2