[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] testing hGriff0n/fib_heap against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FhGriff0n%2Ffib_heap" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hGriff0n/fib_heap on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-7/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" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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] 5d1f264cf6d8380b2dce42f4aea96b36f2baa5e9893260eadd5977e20652ac3d
[INFO] running `Command { std: "docker" "start" "-a" "5d1f264cf6d8380b2dce42f4aea96b36f2baa5e9893260eadd5977e20652ac3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1f264cf6d8380b2dce42f4aea96b36f2baa5e9893260eadd5977e20652ac3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1f264cf6d8380b2dce42f4aea96b36f2baa5e9893260eadd5977e20652ac3d", kill_on_drop: false }`
[INFO] [stdout] 5d1f264cf6d8380b2dce42f4aea96b36f2baa5e9893260eadd5977e20652ac3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d19e8b334ce97f73089db3d759aee28048b87f264b958feedcb7511deea88e94
[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" "d19e8b334ce97f73089db3d759aee28048b87f264b958feedcb7511deea88e94", kill_on_drop: false }`
[INFO] [stderr]    Compiling my_std v0.1.0 (/opt/rustwide/workdir/src/std)
[INFO] [stderr]    Compiling bit-vec v0.4.4
[INFO] [stderr]    Compiling 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[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` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "d19e8b334ce97f73089db3d759aee28048b87f264b958feedcb7511deea88e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19e8b334ce97f73089db3d759aee28048b87f264b958feedcb7511deea88e94", kill_on_drop: false }`
[INFO] [stdout] d19e8b334ce97f73089db3d759aee28048b87f264b958feedcb7511deea88e94