[INFO] cloning repository https://github.com/hGriff0n/fib_heap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hGriff0n/fib_heap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhGriff0n%2Ffib_heap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhGriff0n%2Ffib_heap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec588ac4d6fb76275a967f013bc458a35af9e735
[INFO] checking hGriff0n/fib_heap against master#9503ea19edbf01b9435e80e17d60ce1b88390116 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhGriff0n%2Ffib_heap" "/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/hGriff0n/fib_heap on toolchain 9503ea19edbf01b9435e80e17d60ce1b88390116
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hGriff0n/fib_heap
[INFO] finished tweaking git repo https://github.com/hGriff0n/fib_heap
[INFO] tweaked toml for git repo https://github.com/hGriff0n/fib_heap written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/hGriff0n/fib_heap already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec49d0d11d013d316a9ffc6e7a2201e484c2d4ca5cda05edc80bdd3ecacce537
[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" "ec49d0d11d013d316a9ffc6e7a2201e484c2d4ca5cda05edc80bdd3ecacce537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec49d0d11d013d316a9ffc6e7a2201e484c2d4ca5cda05edc80bdd3ecacce537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec49d0d11d013d316a9ffc6e7a2201e484c2d4ca5cda05edc80bdd3ecacce537", kill_on_drop: false }`
[INFO] [stdout] ec49d0d11d013d316a9ffc6e7a2201e484c2d4ca5cda05edc80bdd3ecacce537
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9503ea19edbf01b9435e80e17d60ce1b88390116" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fa85097f3681866d4dd6a905e4bfe739155f7aade38ed4989b873185cad55e7
[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" "2fa85097f3681866d4dd6a905e4bfe739155f7aade38ed4989b873185cad55e7", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking my_std v0.1.0 (/opt/rustwide/workdir/src/std)
[INFO] [stderr]     Checking rust_algos v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cmp`
[INFO] [stdout]   --> src/coll/bloom.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         cmp::max(k, 1)
[INFO] [stdout]    |         ^^^ use of undeclared crate or module `cmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `cmp`
[INFO] [stdout]   --> src/coll/bloom.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         cmp::max(k, 1)
[INFO] [stdout]    |         ^^^ use of undeclared crate or module `cmp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/coll/bloom.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let log2 = f64::consts::LN_2;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you are looking for the module in `std`, not the primitive type
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let log2 = std::f64::consts::LN_2;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0223]: ambiguous associated type
[INFO] [stdout]   --> src/coll/bloom.rs:51:20
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let log2 = f64::consts::LN_2;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you are looking for the module in `std`, not the primitive type
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let log2 = std::f64::consts::LN_2;
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_algos`
[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 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0223, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0223`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2fa85097f3681866d4dd6a905e4bfe739155f7aade38ed4989b873185cad55e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa85097f3681866d4dd6a905e4bfe739155f7aade38ed4989b873185cad55e7", kill_on_drop: false }`
[INFO] [stdout] 2fa85097f3681866d4dd6a905e4bfe739155f7aade38ed4989b873185cad55e7