[INFO] cloning repository https://github.com/Pagwin-Fedora/fraction_generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pagwin-Fedora/fraction_generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPagwin-Fedora%2Ffraction_generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPagwin-Fedora%2Ffraction_generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 12e6062086968f230a208883cd01fe97ca112561
[INFO] building Pagwin-Fedora/fraction_generator against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPagwin-Fedora%2Ffraction_generator" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pagwin-Fedora/fraction_generator on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Pagwin-Fedora/fraction_generator
[INFO] finished tweaking git repo https://github.com/Pagwin-Fedora/fraction_generator
[INFO] tweaked toml for git repo https://github.com/Pagwin-Fedora/fraction_generator written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Pagwin-Fedora/fraction_generator 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b89ffc230b5cfd63c25451ab8aa8de69a355013faf61bc8fde83e186b321588
[INFO] running `Command { std: "docker" "start" "-a" "5b89ffc230b5cfd63c25451ab8aa8de69a355013faf61bc8fde83e186b321588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b89ffc230b5cfd63c25451ab8aa8de69a355013faf61bc8fde83e186b321588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b89ffc230b5cfd63c25451ab8aa8de69a355013faf61bc8fde83e186b321588", kill_on_drop: false }`
[INFO] [stdout] 5b89ffc230b5cfd63c25451ab8aa8de69a355013faf61bc8fde83e186b321588
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a7d5f246a32b31836eca93ec007ab5b1d2411005b2795aa240a673332a545b9
[INFO] running `Command { std: "docker" "start" "-a" "0a7d5f246a32b31836eca93ec007ab5b1d2411005b2795aa240a673332a545b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling portable-atomic v1.4.2
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling console v0.15.7
[INFO] [stderr]    Compiling indicatif v0.17.6
[INFO] [stderr]    Compiling frac_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `recurse` is never used
[INFO] [stdout]    --> src/main.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn recurse(f1:Frac,f2:Frac, remaining:u64, progress:Option<indicatif::ProgressBar>)->Vec<Frac>{
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "0a7d5f246a32b31836eca93ec007ab5b1d2411005b2795aa240a673332a545b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a7d5f246a32b31836eca93ec007ab5b1d2411005b2795aa240a673332a545b9", kill_on_drop: false }`
[INFO] [stdout] 0a7d5f246a32b31836eca93ec007ab5b1d2411005b2795aa240a673332a545b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbda63ad96d042ddf8436fe7cfa22760226c76d87d5d3c0de9a872fb9e846011
[INFO] running `Command { std: "docker" "start" "-a" "cbda63ad96d042ddf8436fe7cfa22760226c76d87d5d3c0de9a872fb9e846011", kill_on_drop: false }`
[INFO] [stderr]    Compiling frac_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `recurse` is never used
[INFO] [stdout]    --> src/main.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn recurse(f1:Frac,f2:Frac, remaining:u64, progress:Option<indicatif::ProgressBar>)->Vec<Frac>{
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "cbda63ad96d042ddf8436fe7cfa22760226c76d87d5d3c0de9a872fb9e846011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbda63ad96d042ddf8436fe7cfa22760226c76d87d5d3c0de9a872fb9e846011", kill_on_drop: false }`
[INFO] [stdout] cbda63ad96d042ddf8436fe7cfa22760226c76d87d5d3c0de9a872fb9e846011