[INFO] cloning repository https://github.com/caoyifeng007/rust-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caoyifeng007/rust-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaoyifeng007%2Frust-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaoyifeng007%2Frust-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2d3b605c133d3640037fd98de521c9a9f75d491
[INFO] building caoyifeng007/rust-learning against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaoyifeng007%2Frust-learning" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/caoyifeng007/rust-learning
[INFO] finished tweaking git repo https://github.com/caoyifeng007/rust-learning
[INFO] tweaked toml for git repo https://github.com/caoyifeng007/rust-learning written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/caoyifeng007/rust-learning on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/caoyifeng007/rust-learning 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v1.1.7
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded hermit-abi v0.3.4
[INFO] [stderr]   Downloaded atoi v0.3.3
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.90
[INFO] [stderr]   Downloaded windows-targets v0.52.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.18
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.90
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.90
[INFO] [stderr]   Downloaded tokio-stream v0.1.14
[INFO] [stderr]   Downloaded pin-project v1.1.4
[INFO] [stderr]   Downloaded structopt v0.3.26
[INFO] [stderr]   Downloaded unicode-segmentation v1.10.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded js-sys v0.3.67
[INFO] [stderr]   Downloaded pin-project-internal v1.1.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.90
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.90
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
[INFO] [stderr]   Downloaded chrono v0.4.33
[INFO] [stderr]   Downloaded syn v2.0.48
[INFO] [stderr]   Downloaded regex v1.10.3
[INFO] [stderr]   Downloaded mini-redis v0.4.1
[INFO] [stderr]   Downloaded socket2 v0.4.7
[INFO] [stderr]   Downloaded iana-time-zone v0.1.59
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.52.0
[INFO] [stderr]   Downloaded regex-automata v0.4.5
[INFO] [stderr]   Downloaded tokio v1.26.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.52.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.52.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.52.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 648cfce8af565315e98fee1cc305a5ddc7199a3241cab8376ce012d4fdea7b67
[INFO] running `Command { std: "docker" "start" "-a" "648cfce8af565315e98fee1cc305a5ddc7199a3241cab8376ce012d4fdea7b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "648cfce8af565315e98fee1cc305a5ddc7199a3241cab8376ce012d4fdea7b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648cfce8af565315e98fee1cc305a5ddc7199a3241cab8376ce012d4fdea7b67", kill_on_drop: false }`
[INFO] [stdout] 648cfce8af565315e98fee1cc305a5ddc7199a3241cab8376ce012d4fdea7b67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91a2023872326f4f2d0ece309eb79e774610967c06fc8838422195b33cc79f23
[INFO] running `Command { std: "docker" "start" "-a" "91a2023872326f4f2d0ece309eb79e774610967c06fc8838422195b33cc79f23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling serde v1.0.196
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling tracing-core v0.1.32
[INFO] [stderr]    Compiling tokio v1.26.0
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ryu v1.0.16
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling iana-time-zone v0.1.59
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling thread_local v1.1.7
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling mio v0.8.8
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling chrono v0.4.33
[INFO] [stderr]    Compiling atoi v0.3.3
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.4
[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling async-stream v0.3.5
[INFO] [stderr]    Compiling pin-project v1.1.4
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling tokio-stream v0.1.14
[INFO] [stderr]    Compiling mini-redis v0.4.1
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]   --> src/lib.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn sqrt(number: f64) -> Result<f64, String> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.09s
[INFO] running `Command { std: "docker" "inspect" "91a2023872326f4f2d0ece309eb79e774610967c06fc8838422195b33cc79f23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a2023872326f4f2d0ece309eb79e774610967c06fc8838422195b33cc79f23", kill_on_drop: false }`
[INFO] [stdout] 91a2023872326f4f2d0ece309eb79e774610967c06fc8838422195b33cc79f23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0138af104e1b3ffa47dddc682ea9b8f71c808adb8eb756c57464b9a2dd2db653
[INFO] running `Command { std: "docker" "start" "-a" "0138af104e1b3ffa47dddc682ea9b8f71c808adb8eb756c57464b9a2dd2db653", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `sqrt` is never used
[INFO] [stdout]   --> src/lib.rs:19:4
[INFO] [stdout]    |
[INFO] [stdout] 19 | fn sqrt(number: f64) -> Result<f64, String> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "0138af104e1b3ffa47dddc682ea9b8f71c808adb8eb756c57464b9a2dd2db653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0138af104e1b3ffa47dddc682ea9b8f71c808adb8eb756c57464b9a2dd2db653", kill_on_drop: false }`
[INFO] [stdout] 0138af104e1b3ffa47dddc682ea9b8f71c808adb8eb756c57464b9a2dd2db653
