[INFO] fetching crate chapter14 0.1.0...
[INFO] testing chapter14-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate chapter14 0.1.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate chapter14 0.1.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chapter14 0.1.0
[INFO] finished tweaking crates.io crate chapter14 0.1.0
[INFO] tweaked toml for crates.io crate chapter14 0.1.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate chapter14 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3b292c213ed91cd11a26ed3f7f9b8429f2ff487163ad1a1237c3bdf557cc382
[INFO] running `Command { std: "docker" "start" "-a" "a3b292c213ed91cd11a26ed3f7f9b8429f2ff487163ad1a1237c3bdf557cc382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b292c213ed91cd11a26ed3f7f9b8429f2ff487163ad1a1237c3bdf557cc382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b292c213ed91cd11a26ed3f7f9b8429f2ff487163ad1a1237c3bdf557cc382", kill_on_drop: false }`
[INFO] [stdout] a3b292c213ed91cd11a26ed3f7f9b8429f2ff487163ad1a1237c3bdf557cc382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 580ec7162c5dd14df4d2a27acc8a8dfd5ebd6f715c70dd45bc3c8936a69f2641
[INFO] running `Command { std: "docker" "start" "-a" "580ec7162c5dd14df4d2a27acc8a8dfd5ebd6f715c70dd45bc3c8936a69f2641", kill_on_drop: false }`
[INFO] [stderr]    Compiling chapter14 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "580ec7162c5dd14df4d2a27acc8a8dfd5ebd6f715c70dd45bc3c8936a69f2641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "580ec7162c5dd14df4d2a27acc8a8dfd5ebd6f715c70dd45bc3c8936a69f2641", kill_on_drop: false }`
[INFO] [stdout] 580ec7162c5dd14df4d2a27acc8a8dfd5ebd6f715c70dd45bc3c8936a69f2641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda953e7909b88ce2c90cfc9a3e47ad931fb7ae88d0a3e05f43cace8c942bdc2
[INFO] running `Command { std: "docker" "start" "-a" "cda953e7909b88ce2c90cfc9a3e47ad931fb7ae88d0a3e05f43cace8c942bdc2", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling chapter14 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c1`
[INFO] [stdout]   --> src/lib.rs:44:14
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stdout]    |              ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2`
[INFO] [stdout]   --> src/lib.rs:44:32
[INFO] [stdout]    |
[INFO] [stdout] 44 |   pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 1.27s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/chapter14-3ce3d5d0cae6e0a1)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter14-9cdc71a1ee75b4ba)
[INFO] running `Command { std: "docker" "inspect" "cda953e7909b88ce2c90cfc9a3e47ad931fb7ae88d0a3e05f43cace8c942bdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda953e7909b88ce2c90cfc9a3e47ad931fb7ae88d0a3e05f43cace8c942bdc2", kill_on_drop: false }`
[INFO] [stdout] cda953e7909b88ce2c90cfc9a3e47ad931fb7ae88d0a3e05f43cace8c942bdc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc3084cf4c2c912d24ea3e517b123de0c0653d362957f948bdc56bc42c4079ed
[INFO] running `Command { std: "docker" "start" "-a" "bc3084cf4c2c912d24ea3e517b123de0c0653d362957f948bdc56bc42c4079ed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `c1`
[INFO] [stderr]   --> src/lib.rs:44:14
[INFO] [stderr]    |
[INFO] [stderr] 44 |   pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stderr]    |              ^^ help: if this is intentional, prefix it with an underscore: `_c1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c2`
[INFO] [stderr]   --> src/lib.rs:44:32
[INFO] [stderr]    |
[INFO] [stderr] 44 |   pub fn mix(c1: PrimaryColor, c2: PrimaryColor) {
[INFO] [stderr]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_c2`
[INFO] [stderr] 
[INFO] [stderr] warning: `chapter14` (lib) generated 2 warnings
[INFO] [stderr] warning: `chapter14` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chapter14-3ce3d5d0cae6e0a1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chapter14-9cdc71a1ee75b4ba)
[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] [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]    Doc-tests chapter14
[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 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc3084cf4c2c912d24ea3e517b123de0c0653d362957f948bdc56bc42c4079ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc3084cf4c2c912d24ea3e517b123de0c0653d362957f948bdc56bc42c4079ed", kill_on_drop: false }`
[INFO] [stdout] bc3084cf4c2c912d24ea3e517b123de0c0653d362957f948bdc56bc42c4079ed