[INFO] cloning repository https://github.com/kurisuke/fuba
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kurisuke/fuba" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurisuke%2Ffuba", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurisuke%2Ffuba'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16faa9f810a7ad20081184ac910c912bb78e1e6e
[INFO] checking kurisuke/fuba against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkurisuke%2Ffuba" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kurisuke/fuba on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kurisuke/fuba
[INFO] finished tweaking git repo https://github.com/kurisuke/fuba
[INFO] tweaked toml for git repo https://github.com/kurisuke/fuba written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/kurisuke/fuba already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdcabd183a6ddae55f2abd6bc92696bf929902f28a8994fbd5ea56a5be54f3c8
[INFO] running `Command { std: "docker" "start" "-a" "bdcabd183a6ddae55f2abd6bc92696bf929902f28a8994fbd5ea56a5be54f3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdcabd183a6ddae55f2abd6bc92696bf929902f28a8994fbd5ea56a5be54f3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcabd183a6ddae55f2abd6bc92696bf929902f28a8994fbd5ea56a5be54f3c8", kill_on_drop: false }`
[INFO] [stdout] bdcabd183a6ddae55f2abd6bc92696bf929902f28a8994fbd5ea56a5be54f3c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 41483dd05d3da4ffad5fb2de5a875abf57119ae5f7c2a40539b5d2054761e784
[INFO] running `Command { std: "docker" "start" "-a" "41483dd05d3da4ffad5fb2de5a875abf57119ae5f7c2a40539b5d2054761e784", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking fuba v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `pretty_print`
[INFO] [stdout]   --> src/flagcheck.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn pretty_print(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pretty_print`
[INFO] [stdout]    --> src/flagcheck.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn pretty_print(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Home2`
[INFO] [stdout]    --> src/result.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Home2,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pretty_print`
[INFO] [stdout]   --> src/flagcheck.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn pretty_print(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pretty_print`
[INFO] [stdout]    --> src/flagcheck.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     fn pretty_print(&self) -> String {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Home2`
[INFO] [stdout]    --> src/result.rs:149:5
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Home2,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.62s
[INFO] running `Command { std: "docker" "inspect" "41483dd05d3da4ffad5fb2de5a875abf57119ae5f7c2a40539b5d2054761e784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41483dd05d3da4ffad5fb2de5a875abf57119ae5f7c2a40539b5d2054761e784", kill_on_drop: false }`
[INFO] [stdout] 41483dd05d3da4ffad5fb2de5a875abf57119ae5f7c2a40539b5d2054761e784