[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 master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[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 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] 3a5de2cf8a2a06e5a9ebc66123a73d9f5b9f24b3f565899222f3db29f10f87f4
[INFO] running `Command { std: "docker" "start" "-a" "3a5de2cf8a2a06e5a9ebc66123a73d9f5b9f24b3f565899222f3db29f10f87f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a5de2cf8a2a06e5a9ebc66123a73d9f5b9f24b3f565899222f3db29f10f87f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a5de2cf8a2a06e5a9ebc66123a73d9f5b9f24b3f565899222f3db29f10f87f4", kill_on_drop: false }`
[INFO] [stdout] 3a5de2cf8a2a06e5a9ebc66123a73d9f5b9f24b3f565899222f3db29f10f87f4
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80e8e333cec40e8f735637d11465d1802e018d45bbbb64b6a731c43f59ec3f88
[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" "80e8e333cec40e8f735637d11465d1802e018d45bbbb64b6a731c43f59ec3f88", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.33.0
[INFO] [stderr]     Checking cranelift-bforest v0.33.0
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking region v2.1.2
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]    Compiling raw-cpuid v6.1.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling cranelift-codegen v0.33.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling target-lexicon v0.4.0
[INFO] [stderr]     Checking cranelift-module v0.33.0
[INFO] [stderr]     Checking cranelift-frontend v0.33.0
[INFO] [stderr]     Checking cranelift-native v0.33.0
[INFO] [stderr]     Checking cranelift v0.33.0
[INFO] [stderr]     Checking cranelift-simplejit 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 48.44s
[INFO] running `Command { std: "docker" "inspect" "80e8e333cec40e8f735637d11465d1802e018d45bbbb64b6a731c43f59ec3f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80e8e333cec40e8f735637d11465d1802e018d45bbbb64b6a731c43f59ec3f88", kill_on_drop: false }`
[INFO] [stdout] 80e8e333cec40e8f735637d11465d1802e018d45bbbb64b6a731c43f59ec3f88