[INFO] cloning repository https://github.com/sharksforarms/testflame
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sharksforarms/testflame" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharksforarms%2Ftestflame", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharksforarms%2Ftestflame'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb1a8e0432e72ff038025571d1b4d83b86cfa576
[INFO] checking sharksforarms/testflame against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsharksforarms%2Ftestflame" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sharksforarms/testflame on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sharksforarms/testflame
[INFO] finished tweaking git repo https://github.com/sharksforarms/testflame
[INFO] tweaked toml for git repo https://github.com/sharksforarms/testflame written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sharksforarms/testflame already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c4047df0a4877f47ff18b7c33ee6b9ea85627ded0b48b7e1bedfe2aa63221b1
[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" "9c4047df0a4877f47ff18b7c33ee6b9ea85627ded0b48b7e1bedfe2aa63221b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c4047df0a4877f47ff18b7c33ee6b9ea85627ded0b48b7e1bedfe2aa63221b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c4047df0a4877f47ff18b7c33ee6b9ea85627ded0b48b7e1bedfe2aa63221b1", kill_on_drop: false }`
[INFO] [stdout] 9c4047df0a4877f47ff18b7c33ee6b9ea85627ded0b48b7e1bedfe2aa63221b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60bf3861232a6a381a9ef15127e583be838b14a6f8041bf477f07f35de4ac04a
[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" "60bf3861232a6a381a9ef15127e583be838b14a6f8041bf477f07f35de4ac04a", kill_on_drop: false }`
[INFO] [stderr]     Checking myothercrate v0.1.0 (/opt/rustwide/workdir/myothercrate)
[INFO] [stderr]     Checking testflame v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `flame`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     flame::dump_html(&mut File::create("flame-graph.html").unwrap()).unwrap();
[INFO] [stdout]    |     ^^^^^ use of undeclared crate or module `flame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `flame`
[INFO] [stdout]   --> src/main.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     flame::dump_html(&mut File::create("flame-graph.html").unwrap()).unwrap();
[INFO] [stdout]    |     ^^^^^ use of undeclared crate or module `flame`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testflame`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "60bf3861232a6a381a9ef15127e583be838b14a6f8041bf477f07f35de4ac04a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bf3861232a6a381a9ef15127e583be838b14a6f8041bf477f07f35de4ac04a", kill_on_drop: false }`
[INFO] [stdout] 60bf3861232a6a381a9ef15127e583be838b14a6f8041bf477f07f35de4ac04a