[INFO] fetching crate r28_release_profile 0.1.0...
[INFO] testing r28_release_profile-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate r28_release_profile 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate r28_release_profile 0.1.0
[INFO] finished tweaking crates.io crate r28_release_profile 0.1.0
[INFO] tweaked toml for crates.io crate r28_release_profile 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate r28_release_profile 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate r28_release_profile 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" "+b83b707f97d809763b7861afa7638871f3339a33" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eb6b9af62032604f38b9665c764e9c720f753e663d34b6cc69fecf726b1f7d3
[INFO] running `Command { std: "docker" "start" "-a" "9eb6b9af62032604f38b9665c764e9c720f753e663d34b6cc69fecf726b1f7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eb6b9af62032604f38b9665c764e9c720f753e663d34b6cc69fecf726b1f7d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eb6b9af62032604f38b9665c764e9c720f753e663d34b6cc69fecf726b1f7d3", kill_on_drop: false }`
[INFO] [stdout] 9eb6b9af62032604f38b9665c764e9c720f753e663d34b6cc69fecf726b1f7d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62ecdd31915d4d78e6667540217dc03951ba7717aeb4dbb61ee0d0dd0992b274
[INFO] running `Command { std: "docker" "start" "-a" "62ecdd31915d4d78e6667540217dc03951ba7717aeb4dbb61ee0d0dd0992b274", kill_on_drop: false }`
[INFO] [stderr]    Compiling r28_release_profile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `color1`
[INFO] [stdout]   --> src/lib.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color2`
[INFO] [stdout]   --> src/lib.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "62ecdd31915d4d78e6667540217dc03951ba7717aeb4dbb61ee0d0dd0992b274", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ecdd31915d4d78e6667540217dc03951ba7717aeb4dbb61ee0d0dd0992b274", kill_on_drop: false }`
[INFO] [stdout] 62ecdd31915d4d78e6667540217dc03951ba7717aeb4dbb61ee0d0dd0992b274
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd0267bddddcb36498d5647f2816234b272b91dbc0d559a4a730a6efcfbeeb70
[INFO] running `Command { std: "docker" "start" "-a" "cd0267bddddcb36498d5647f2816234b272b91dbc0d559a4a730a6efcfbeeb70", kill_on_drop: false }`
[INFO] [stderr]    Compiling r28_release_profile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `color1`
[INFO] [stdout]   --> src/lib.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color2`
[INFO] [stdout]   --> src/lib.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color1`
[INFO] [stdout]   --> src/lib.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `color2`
[INFO] [stdout]   --> src/lib.rs:39:38
[INFO] [stdout]    |
[INFO] [stdout] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stdout]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "cd0267bddddcb36498d5647f2816234b272b91dbc0d559a4a730a6efcfbeeb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd0267bddddcb36498d5647f2816234b272b91dbc0d559a4a730a6efcfbeeb70", kill_on_drop: false }`
[INFO] [stdout] cd0267bddddcb36498d5647f2816234b272b91dbc0d559a4a730a6efcfbeeb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df3bd1825bdbbeaf672cc94f174875993cd10e7a83d365df5191485aac93ffb9
[INFO] running `Command { std: "docker" "start" "-a" "df3bd1825bdbbeaf672cc94f174875993cd10e7a83d365df5191485aac93ffb9", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `color1`
[INFO] [stderr]   --> src/lib.rs:39:16
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stderr]    |                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `color2`
[INFO] [stderr]   --> src/lib.rs:39:38
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn mix(color1: PrimaryColor, color2: SecondaryColor) -> SecondaryColor {
[INFO] [stderr]    |                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_color2`
[INFO] [stderr] 
[INFO] [stderr] warning: `r28_release_profile` (lib) generated 2 warnings
[INFO] [stderr] warning: `r28_release_profile` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r28_release_profile-948bf185fe887672)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/r28_release_profile-ab901b63773a6c53)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests r28_release_profile
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - add (line 9) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df3bd1825bdbbeaf672cc94f174875993cd10e7a83d365df5191485aac93ffb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df3bd1825bdbbeaf672cc94f174875993cd10e7a83d365df5191485aac93ffb9", kill_on_drop: false }`
[INFO] [stdout] df3bd1825bdbbeaf672cc94f174875993cd10e7a83d365df5191485aac93ffb9