[INFO] cloning repository https://github.com/TofuLynx/trees
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TofuLynx/trees" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTofuLynx%2Ftrees", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTofuLynx%2Ftrees'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c104868c66104786b6b41b73417310710d481314
[INFO] checking TofuLynx/trees against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTofuLynx%2Ftrees" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TofuLynx/trees on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TofuLynx/trees
[INFO] finished tweaking git repo https://github.com/TofuLynx/trees
[INFO] tweaked toml for git repo https://github.com/TofuLynx/trees written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/TofuLynx/trees already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b66091ba1c8c5fa7fe5545a7456dc2014ce4564798bc318d0a5effc9a4bd51e2
[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" "b66091ba1c8c5fa7fe5545a7456dc2014ce4564798bc318d0a5effc9a4bd51e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b66091ba1c8c5fa7fe5545a7456dc2014ce4564798bc318d0a5effc9a4bd51e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66091ba1c8c5fa7fe5545a7456dc2014ce4564798bc318d0a5effc9a4bd51e2", kill_on_drop: false }`
[INFO] [stdout] b66091ba1c8c5fa7fe5545a7456dc2014ce4564798bc318d0a5effc9a4bd51e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] c1060d864ec60cda1a642073258102b4aa1221ea7931f718b0aad347339ea93d
[INFO] running `Command { std: "docker" "start" "-a" "c1060d864ec60cda1a642073258102b4aa1221ea7931f718b0aad347339ea93d", kill_on_drop: false }`
[INFO] [stderr]     Checking trees v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0583]: file not found for module `bst`
[INFO] [stdout]  --> src/tree/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod bst;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `bst`, create file "src/tree/bst.rs"
[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 E0583`.
[INFO] [stdout] 
[INFO] [stdout] error[E0583]: file not found for module `bst`
[INFO] [stdout]  --> src/tree/mod.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod bst;
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: to create the module `bst`, create file "src/tree/bst.rs"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trees`
[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] [stdout] For more information about this error, try `rustc --explain E0583`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c1060d864ec60cda1a642073258102b4aa1221ea7931f718b0aad347339ea93d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1060d864ec60cda1a642073258102b4aa1221ea7931f718b0aad347339ea93d", kill_on_drop: false }`
[INFO] [stdout] c1060d864ec60cda1a642073258102b4aa1221ea7931f718b0aad347339ea93d