[INFO] cloning repository https://github.com/dbalduini/tig
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbalduini/tig" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbalduini%2Ftig", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbalduini%2Ftig'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a763b25ea11cc8171bf70d2b42c89729791164a
[INFO] checking dbalduini/tig against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbalduini%2Ftig" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbalduini/tig on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dbalduini/tig
[INFO] finished tweaking git repo https://github.com/dbalduini/tig
[INFO] tweaked toml for git repo https://github.com/dbalduini/tig written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/dbalduini/tig already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-multimap v0.3.1
[INFO] [stderr]   Downloaded rust-ini v0.16.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da402fb3ee17b19fbcf1ef94297e6fef4ffb0c5c73cf6ab0d369ba54370d0d46
[INFO] running `Command { std: "docker" "start" "-a" "da402fb3ee17b19fbcf1ef94297e6fef4ffb0c5c73cf6ab0d369ba54370d0d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da402fb3ee17b19fbcf1ef94297e6fef4ffb0c5c73cf6ab0d369ba54370d0d46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da402fb3ee17b19fbcf1ef94297e6fef4ffb0c5c73cf6ab0d369ba54370d0d46", kill_on_drop: false }`
[INFO] [stdout] da402fb3ee17b19fbcf1ef94297e6fef4ffb0c5c73cf6ab0d369ba54370d0d46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 132a17d587eb4a280de9e5e513e9ca8f42a0e76585870d1f918bb6811c5c3ac1
[INFO] running `Command { std: "docker" "start" "-a" "132a17d587eb4a280de9e5e513e9ca8f42a0e76585870d1f918bb6811c5c3ac1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking dlv-list v0.2.2
[INFO] [stderr]     Checking ordered-multimap v0.3.1
[INFO] [stderr]     Checking rust-ini v0.16.1
[INFO] [stderr]     Checking tig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `deserialize`
[INFO] [stdout]   --> src/git/objects.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn deserialize(&mut self, data: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/git/repository.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         file.write_all((hash + "\n").as_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/git/repository.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         file.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `deserialize`
[INFO] [stdout]   --> src/git/objects.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn deserialize(&mut self, data: String) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/git/repository.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         file.write_all((hash + "\n").as_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/git/repository.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |         file.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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 5.66s
[INFO] running `Command { std: "docker" "inspect" "132a17d587eb4a280de9e5e513e9ca8f42a0e76585870d1f918bb6811c5c3ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "132a17d587eb4a280de9e5e513e9ca8f42a0e76585870d1f918bb6811c5c3ac1", kill_on_drop: false }`
[INFO] [stdout] 132a17d587eb4a280de9e5e513e9ca8f42a0e76585870d1f918bb6811c5c3ac1