[INFO] cloning repository https://github.com/cabarclay/matt-parker-conjecture
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cabarclay/matt-parker-conjecture" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcabarclay%2Fmatt-parker-conjecture", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcabarclay%2Fmatt-parker-conjecture'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 463ea282553759fda743b3f60edbae414bcdc75a
[INFO] building cabarclay/matt-parker-conjecture against try#0179c3cb935eb588d407cb784f436ae84d99db5c for pr-107620-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcabarclay%2Fmatt-parker-conjecture" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cabarclay/matt-parker-conjecture on toolchain 0179c3cb935eb588d407cb784f436ae84d99db5c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cabarclay/matt-parker-conjecture
[INFO] finished tweaking git repo https://github.com/cabarclay/matt-parker-conjecture
[INFO] tweaked toml for git repo https://github.com/cabarclay/matt-parker-conjecture written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/cabarclay/matt-parker-conjecture already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8cc658f1f5ce9d5a64f9095e804196a5cc5d6ac92877d8f57473c1e9357a661
[INFO] running `Command { std: "docker" "start" "-a" "f8cc658f1f5ce9d5a64f9095e804196a5cc5d6ac92877d8f57473c1e9357a661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8cc658f1f5ce9d5a64f9095e804196a5cc5d6ac92877d8f57473c1e9357a661", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8cc658f1f5ce9d5a64f9095e804196a5cc5d6ac92877d8f57473c1e9357a661", kill_on_drop: false }`
[INFO] [stdout] f8cc658f1f5ce9d5a64f9095e804196a5cc5d6ac92877d8f57473c1e9357a661
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec7b7affbbfbc66aaac559d4e6c5410c1b2818296d854800bf918981958a0a26
[INFO] running `Command { std: "docker" "start" "-a" "ec7b7affbbfbc66aaac559d4e6c5410c1b2818296d854800bf918981958a0a26", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.3
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]    Compiling az v1.1.0
[INFO] [stderr]    Compiling matt-parker-conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `Precision` should have an upper case name
[INFO] [stdout]   --> src/main.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |     const Precision: u32 = 100_000_000;
[INFO] [stdout]    |           ^^^^^^^^^ help: convert the identifier to upper case: `PRECISION`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 29s
[INFO] running `Command { std: "docker" "inspect" "ec7b7affbbfbc66aaac559d4e6c5410c1b2818296d854800bf918981958a0a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec7b7affbbfbc66aaac559d4e6c5410c1b2818296d854800bf918981958a0a26", kill_on_drop: false }`
[INFO] [stdout] ec7b7affbbfbc66aaac559d4e6c5410c1b2818296d854800bf918981958a0a26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 260259e297f6c419904d88f75a5fde70a0dddac8a3f33d649119ec955fac33d5
[INFO] running `Command { std: "docker" "start" "-a" "260259e297f6c419904d88f75a5fde70a0dddac8a3f33d649119ec955fac33d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling matt-parker-conjecture v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `Precision` should have an upper case name
[INFO] [stdout]   --> src/main.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 |     const Precision: u32 = 100_000_000;
[INFO] [stdout]    |           ^^^^^^^^^ help: convert the identifier to upper case: `PRECISION`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "260259e297f6c419904d88f75a5fde70a0dddac8a3f33d649119ec955fac33d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260259e297f6c419904d88f75a5fde70a0dddac8a3f33d649119ec955fac33d5", kill_on_drop: false }`
[INFO] [stdout] 260259e297f6c419904d88f75a5fde70a0dddac8a3f33d649119ec955fac33d5