[INFO] cloning repository https://github.com/imunitic/tracer-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imunitic/tracer-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bb8ed3aec1520ecbb1670ad7d336172c3c3cf01
[INFO] testing imunitic/tracer-rs against master#0e21a27075a8c508f00d1a4430497f17ce93d5c9 for pr-98839
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimunitic%2Ftracer-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imunitic/tracer-rs on toolchain 0e21a27075a8c508f00d1a4430497f17ce93d5c9
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imunitic/tracer-rs
[INFO] finished tweaking git repo https://github.com/imunitic/tracer-rs
[INFO] tweaked toml for git repo https://github.com/imunitic/tracer-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/imunitic/tracer-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 788bf63aca4124ac490d470eb8663d931b4ab75cdaf469565490784aa4cdf1ba
[INFO] running `Command { std: "docker" "start" "-a" "788bf63aca4124ac490d470eb8663d931b4ab75cdaf469565490784aa4cdf1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "788bf63aca4124ac490d470eb8663d931b4ab75cdaf469565490784aa4cdf1ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "788bf63aca4124ac490d470eb8663d931b4ab75cdaf469565490784aa4cdf1ba", kill_on_drop: false }`
[INFO] [stdout] 788bf63aca4124ac490d470eb8663d931b4ab75cdaf469565490784aa4cdf1ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14205c592920ed52c9b2233fac1ae27e9e8eeeebbd8099d0354426563a7e10ae
[INFO] running `Command { std: "docker" "start" "-a" "14205c592920ed52c9b2233fac1ae27e9e8eeeebbd8099d0354426563a7e10ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling tracer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant `EPSILON` is never used
[INFO] [stdout]   --> src/color.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     const EPSILON: f64 = 0.00001_f64;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `eq` is never used
[INFO] [stdout]   --> src/color.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn eq(self, rhs: Color) -> bool {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/color.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn default() -> Color {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `EPSILON` is never used
[INFO] [stdout]   --> src/tuple.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 |     const EPSILON: f64 = 0.00001_f64;
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `eq` is never used
[INFO] [stdout]   --> src/tuple.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn eq(self, other: Tuple) -> bool {
[INFO] [stdout]    |            ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `dot` is never used
[INFO] [stdout]   --> src/tuple.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn dot(self, other: Tuple) -> f64 {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `cross` is never used
[INFO] [stdout]   --> src/tuple.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 |     pub fn cross(self, other: Tuple) -> Tuple {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.02s
[INFO] running `Command { std: "docker" "inspect" "14205c592920ed52c9b2233fac1ae27e9e8eeeebbd8099d0354426563a7e10ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14205c592920ed52c9b2233fac1ae27e9e8eeeebbd8099d0354426563a7e10ae", kill_on_drop: false }`
[INFO] [stdout] 14205c592920ed52c9b2233fac1ae27e9e8eeeebbd8099d0354426563a7e10ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fd33026188d5b68e95824d3bb92fcd42c186c390f85bd386c82f6978da7ca18
[INFO] running `Command { std: "docker" "start" "-a" "3fd33026188d5b68e95824d3bb92fcd42c186c390f85bd386c82f6978da7ca18", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracer-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `default` is never used
[INFO] [stdout]   --> src/color.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn default() -> Color {
[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 0.76s
[INFO] running `Command { std: "docker" "inspect" "3fd33026188d5b68e95824d3bb92fcd42c186c390f85bd386c82f6978da7ca18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd33026188d5b68e95824d3bb92fcd42c186c390f85bd386c82f6978da7ca18", kill_on_drop: false }`
[INFO] [stdout] 3fd33026188d5b68e95824d3bb92fcd42c186c390f85bd386c82f6978da7ca18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+0e21a27075a8c508f00d1a4430497f17ce93d5c9" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/651c45f22f40dee7f399c7cb86fde9cde240a20730ec8a7bcffeb1f6ae4b169b/diff: no space left on device