[INFO] cloning repository https://github.com/jumang4423/rust_tracing
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jumang4423/rust_tracing" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumang4423%2Frust_tracing", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumang4423%2Frust_tracing'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5ae9892404ee21cfbd2f82b5d6d5bbc43e98c8e
[INFO] checking jumang4423/rust_tracing against master#0c292c9667f1b202a9150d58bdd2e89e3e803996 for pr-92285
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjumang4423%2Frust_tracing" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jumang4423/rust_tracing on toolchain 0c292c9667f1b202a9150d58bdd2e89e3e803996
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c292c9667f1b202a9150d58bdd2e89e3e803996" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jumang4423/rust_tracing
[INFO] finished tweaking git repo https://github.com/jumang4423/rust_tracing
[INFO] tweaked toml for git repo https://github.com/jumang4423/rust_tracing written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/jumang4423/rust_tracing already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0c292c9667f1b202a9150d58bdd2e89e3e803996" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+0c292c9667f1b202a9150d58bdd2e89e3e803996" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c67063d7fd447627e6803f5190c6a2f4761b9197c856f0ae129be6fe6567a70f
[INFO] running `Command { std: "docker" "start" "-a" "c67063d7fd447627e6803f5190c6a2f4761b9197c856f0ae129be6fe6567a70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c67063d7fd447627e6803f5190c6a2f4761b9197c856f0ae129be6fe6567a70f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c67063d7fd447627e6803f5190c6a2f4761b9197c856f0ae129be6fe6567a70f", kill_on_drop: false }`
[INFO] [stdout] c67063d7fd447627e6803f5190c6a2f4761b9197c856f0ae129be6fe6567a70f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+0c292c9667f1b202a9150d58bdd2e89e3e803996" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64322e128b3f998d7e3a2215fb3914b4146ed142d769168dfb7f531e53cb10fe
[INFO] running `Command { std: "docker" "start" "-a" "64322e128b3f998d7e3a2215fb3914b4146ed142d769168dfb7f531e53cb10fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.114
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking bmp v0.5.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking serde_json v1.0.78
[INFO] [stderr]     Checking rust_tracing v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `reflect_prob` is never read
[INFO] [stdout]   --> src/material/material.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut reflect_prob: f32 = 0.0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `reflect_prob` is never read
[INFO] [stdout]   --> src/material/material.rs:98:17
[INFO] [stdout]    |
[INFO] [stdout] 98 |         let mut reflect_prob: f32 = 0.0;
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hundred_spheres`
[INFO] [stdout]   --> src/hitable_list/hitable_list.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn hundred_spheres() -> HitableList {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_sphere_in_the_room`
[INFO] [stdout]   --> src/hitable_list/hitable_list.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn one_sphere_in_the_room() -> HitableList {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hundred_spheres`
[INFO] [stdout]   --> src/hitable_list/hitable_list.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn hundred_spheres() -> HitableList {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `one_sphere_in_the_room`
[INFO] [stdout]   --> src/hitable_list/hitable_list.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn one_sphere_in_the_room() -> HitableList {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "64322e128b3f998d7e3a2215fb3914b4146ed142d769168dfb7f531e53cb10fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64322e128b3f998d7e3a2215fb3914b4146ed142d769168dfb7f531e53cb10fe", kill_on_drop: false }`
[INFO] [stdout] 64322e128b3f998d7e3a2215fb3914b4146ed142d769168dfb7f531e53cb10fe