[INFO] fetching crate study_cargo_profile_and_publish_crates_io 0.1.0...
[INFO] building study_cargo_profile_and_publish_crates_io-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate study_cargo_profile_and_publish_crates_io 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0
[INFO] finished tweaking crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0
[INFO] tweaked toml for crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate study_cargo_profile_and_publish_crates_io 0.1.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6daf3a7b6a2ad6bdcdd4f248c432573ecaf0cd737a4d516aa0fe8dc59d02451
[INFO] running `Command { std: "docker" "start" "-a" "a6daf3a7b6a2ad6bdcdd4f248c432573ecaf0cd737a4d516aa0fe8dc59d02451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6daf3a7b6a2ad6bdcdd4f248c432573ecaf0cd737a4d516aa0fe8dc59d02451", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6daf3a7b6a2ad6bdcdd4f248c432573ecaf0cd737a4d516aa0fe8dc59d02451", kill_on_drop: false }`
[INFO] [stdout] a6daf3a7b6a2ad6bdcdd4f248c432573ecaf0cd737a4d516aa0fe8dc59d02451
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c71388f89028d42901927163e4cc961ca844048ecd58d3f947df400933d7719f
[INFO] running `Command { std: "docker" "start" "-a" "c71388f89028d42901927163e4cc961ca844048ecd58d3f947df400933d7719f", kill_on_drop: false }`
[INFO] [stderr]    Compiling study_cargo_profile_and_publish_crates_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_private_fn` is never used
[INFO] [stdout]   --> src/art/_art.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn mod_private_fn() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]  --> src/art/_art.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn private_fn() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "c71388f89028d42901927163e4cc961ca844048ecd58d3f947df400933d7719f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c71388f89028d42901927163e4cc961ca844048ecd58d3f947df400933d7719f", kill_on_drop: false }`
[INFO] [stdout] c71388f89028d42901927163e4cc961ca844048ecd58d3f947df400933d7719f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c534c4beadf3bcfb47721a3530719b82dfd58ceedb4d1468456abd1a481ed36d
[INFO] running `Command { std: "docker" "start" "-a" "c534c4beadf3bcfb47721a3530719b82dfd58ceedb4d1468456abd1a481ed36d", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_private_fn` is never used
[INFO] [stdout]   --> src/art/_art.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn mod_private_fn() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]  --> src/art/_art.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn private_fn() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling study_cargo_profile_and_publish_crates_io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                  ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `private_fn` is never used
[INFO] [stdout]  --> src/art/_art.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn private_fn() {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `mod_private_fn` is never used
[INFO] [stdout]   --> src/art/_art.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn mod_private_fn() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "c534c4beadf3bcfb47721a3530719b82dfd58ceedb4d1468456abd1a481ed36d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c534c4beadf3bcfb47721a3530719b82dfd58ceedb4d1468456abd1a481ed36d", kill_on_drop: false }`
[INFO] [stdout] c534c4beadf3bcfb47721a3530719b82dfd58ceedb4d1468456abd1a481ed36d