[INFO] cloning repository https://github.com/vickyone0/adv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vickyone0/adv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyone0%2Fadv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyone0%2Fadv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a0ce159d37860ee6a53b51530c686cf371a541b
[INFO] checking vickyone0/adv against master#040e2f8b9ff2d76fbe2146d6003e297ed4532088 for pr-143619
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvickyone0%2Fadv" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/vickyone0/adv
[INFO] finished tweaking git repo https://github.com/vickyone0/adv
[INFO] tweaked toml for git repo https://github.com/vickyone0/adv written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/vickyone0/adv on toolchain 040e2f8b9ff2d76fbe2146d6003e297ed4532088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/vickyone0/adv 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" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c60eefdfb6d3802a72ba7723276d739b0262029971fca01245072fb86e54f8e
[INFO] running `Command { std: "docker" "start" "-a" "1c60eefdfb6d3802a72ba7723276d739b0262029971fca01245072fb86e54f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c60eefdfb6d3802a72ba7723276d739b0262029971fca01245072fb86e54f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c60eefdfb6d3802a72ba7723276d739b0262029971fca01245072fb86e54f8e", kill_on_drop: false }`
[INFO] [stdout] 1c60eefdfb6d3802a72ba7723276d739b0262029971fca01245072fb86e54f8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+040e2f8b9ff2d76fbe2146d6003e297ed4532088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30ff560de1c22a51a3b1e050ee1f863c9d12dad2c29190f3bd7cadf1139cfe3f
[INFO] running `Command { std: "docker" "start" "-a" "30ff560de1c22a51a3b1e050ee1f863c9d12dad2c29190f3bd7cadf1139cfe3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking adv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `atomic_size` is never used
[INFO] [stdout]  --> src/atomic_usize.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn atomic_size() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `btree_map` is never used
[INFO] [stdout]  --> src/btree_map.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn btree_map() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fn_once` is never used
[INFO] [stdout]  --> src/fn_once.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn fn_once() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rc_refcell` is never used
[INFO] [stdout]  --> src/rc_refcell.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn rc_refcell() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tread_pool` is never used
[INFO] [stdout]  --> src/treadpool.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn tread_pool() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `make`, `model`, `size`, and `color` are never read
[INFO] [stdout]  --> src/fluent.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Bicycle {make: String,
[INFO] [stdout]   |            -------  ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout] 3 | model: String,
[INFO] [stdout]   | ^^^^^
[INFO] [stdout] 4 | size: i32,
[INFO] [stdout]   | ^^^^
[INFO] [stdout] 5 | color: String,
[INFO] [stdout]   | ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Bicycle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `atomic_size` is never used
[INFO] [stdout]  --> src/atomic_usize.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn atomic_size() {
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `btree_map` is never used
[INFO] [stdout]  --> src/btree_map.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn btree_map() {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fn_once` is never used
[INFO] [stdout]  --> src/fn_once.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn fn_once() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rc_refcell` is never used
[INFO] [stdout]  --> src/rc_refcell.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn rc_refcell() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tread_pool` is never used
[INFO] [stdout]  --> src/treadpool.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn tread_pool() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `make`, `model`, `size`, and `color` are never read
[INFO] [stdout]  --> src/fluent.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Bicycle {make: String,
[INFO] [stdout]   |            -------  ^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            fields in this struct
[INFO] [stdout] 3 | model: String,
[INFO] [stdout]   | ^^^^^
[INFO] [stdout] 4 | size: i32,
[INFO] [stdout]   | ^^^^
[INFO] [stdout] 5 | color: String,
[INFO] [stdout]   | ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Bicycle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "30ff560de1c22a51a3b1e050ee1f863c9d12dad2c29190f3bd7cadf1139cfe3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30ff560de1c22a51a3b1e050ee1f863c9d12dad2c29190f3bd7cadf1139cfe3f", kill_on_drop: false }`
[INFO] [stdout] 30ff560de1c22a51a3b1e050ee1f863c9d12dad2c29190f3bd7cadf1139cfe3f