[INFO] updating cached repository https://github.com/eternalmoon1234/mathical
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bd78958e0a7f4f00b74a40a5b4e7ea8ad71c046
[INFO] testing eternalmoon1234/mathical against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feternalmoon1234%2Fmathical" "/workspace/builds/worker-67/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-67/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eternalmoon1234/mathical on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eternalmoon1234/mathical
[INFO] finished tweaking git repo https://github.com/eternalmoon1234/mathical
[INFO] tweaked toml for git repo https://github.com/eternalmoon1234/mathical written to /workspace/builds/worker-67/source/Cargo.toml
[INFO] crate git repo https://github.com/eternalmoon1234/mathical already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 513a0be1cb70a621570ec8154d88121c08ed6a551ec57efc9c5e74f824f9fdf2
[INFO] running `Command { std: "docker" "start" "-a" "513a0be1cb70a621570ec8154d88121c08ed6a551ec57efc9c5e74f824f9fdf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "513a0be1cb70a621570ec8154d88121c08ed6a551ec57efc9c5e74f824f9fdf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "513a0be1cb70a621570ec8154d88121c08ed6a551ec57efc9c5e74f824f9fdf2", kill_on_drop: false }`
[INFO] [stdout] 513a0be1cb70a621570ec8154d88121c08ed6a551ec57efc9c5e74f824f9fdf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a517a44e66135c97713113de3ff3813b8a8db4993142c36221bd41ff0f5cb943
[INFO] running `Command { std: "docker" "start" "-a" "a517a44e66135c97713113de3ff3813b8a8db4993142c36221bd41ff0f5cb943", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling raw-window-handle v0.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling fltk-sys v0.15.6
[INFO] [stderr]    Compiling fltk-derive v0.15.6
[INFO] [stderr]    Compiling fltk v0.15.6
[INFO] [stderr]    Compiling mathical v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]  --> src/cli/parser.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn parse() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 2m 06s
[INFO] running `Command { std: "docker" "inspect" "a517a44e66135c97713113de3ff3813b8a8db4993142c36221bd41ff0f5cb943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a517a44e66135c97713113de3ff3813b8a8db4993142c36221bd41ff0f5cb943", kill_on_drop: false }`
[INFO] [stdout] a517a44e66135c97713113de3ff3813b8a8db4993142c36221bd41ff0f5cb943
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d36853bbcdb3018031e91fd6f04ff0d8f90b924b0d0dd1d35232f44ebd916535
[INFO] running `Command { std: "docker" "start" "-a" "d36853bbcdb3018031e91fd6f04ff0d8f90b924b0d0dd1d35232f44ebd916535", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling mathical v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `parse`
[INFO] [stdout]  --> src/cli/parser.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn parse() {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 4.32s
[INFO] running `Command { std: "docker" "inspect" "d36853bbcdb3018031e91fd6f04ff0d8f90b924b0d0dd1d35232f44ebd916535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d36853bbcdb3018031e91fd6f04ff0d8f90b924b0d0dd1d35232f44ebd916535", kill_on_drop: false }`
[INFO] [stdout] d36853bbcdb3018031e91fd6f04ff0d8f90b924b0d0dd1d35232f44ebd916535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-67/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb245460deeec907309ba5567372e2d899b0e5b348f9a4bbe14267a91fb1372e
[INFO] running `Command { std: "docker" "start" "-a" "eb245460deeec907309ba5567372e2d899b0e5b348f9a4bbe14267a91fb1372e", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `parse`
[INFO] [stderr]  --> src/cli/parser.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn parse() {
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mathical` (bin "mathical" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mathical-12d33431208e6d7d)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mathical-efc3e913cf1cee4b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mathical
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eb245460deeec907309ba5567372e2d899b0e5b348f9a4bbe14267a91fb1372e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb245460deeec907309ba5567372e2d899b0e5b348f9a4bbe14267a91fb1372e", kill_on_drop: false }`
[INFO] [stdout] eb245460deeec907309ba5567372e2d899b0e5b348f9a4bbe14267a91fb1372e