[INFO] cloning repository https://github.com/JakeRoggenbuck/colorgradient-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JakeRoggenbuck/colorgradient-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeRoggenbuck%2Fcolorgradient-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeRoggenbuck%2Fcolorgradient-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bfe07f2505e0c0df44779af96730547cafb53d7b [INFO] testing JakeRoggenbuck/colorgradient-rs against beta-2021-09-08 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeRoggenbuck%2Fcolorgradient-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/JakeRoggenbuck/colorgradient-rs on toolchain beta-2021-09-08 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/JakeRoggenbuck/colorgradient-rs [INFO] finished tweaking git repo https://github.com/JakeRoggenbuck/colorgradient-rs [INFO] tweaked toml for git repo https://github.com/JakeRoggenbuck/colorgradient-rs written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/JakeRoggenbuck/colorgradient-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0867d9ecf22bdecaefee31895c21b8776077b2c76b87e485215887913f1d010a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0867d9ecf22bdecaefee31895c21b8776077b2c76b87e485215887913f1d010a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0867d9ecf22bdecaefee31895c21b8776077b2c76b87e485215887913f1d010a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0867d9ecf22bdecaefee31895c21b8776077b2c76b87e485215887913f1d010a", kill_on_drop: false }` [INFO] [stdout] 0867d9ecf22bdecaefee31895c21b8776077b2c76b87e485215887913f1d010a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ff54347ecd17b8a75dad58f21fc17c35ff13dcf117df505b8c0ed651f95d8cc2 [INFO] running `Command { std: "docker" "start" "-a" "ff54347ecd17b8a75dad58f21fc17c35ff13dcf117df505b8c0ed651f95d8cc2", kill_on_drop: false }` [INFO] [stderr] Compiling colorgradient-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::process; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/main.rs:47:10 [INFO] [stdout] | [INFO] [stdout] 47 | ); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 175 | println!("{}", color_bar!(rgb)); [INFO] [stdout] | --------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: this warning originates in the macro `color_bar` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 132 | stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.59s [INFO] running `Command { std: "docker" "inspect" "ff54347ecd17b8a75dad58f21fc17c35ff13dcf117df505b8c0ed651f95d8cc2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff54347ecd17b8a75dad58f21fc17c35ff13dcf117df505b8c0ed651f95d8cc2", kill_on_drop: false }` [INFO] [stdout] ff54347ecd17b8a75dad58f21fc17c35ff13dcf117df505b8c0ed651f95d8cc2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6b233e57329b4f7fb39bbfdc786f67e9bdfb6e45945be0fef0c764ea0fb860f4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6b233e57329b4f7fb39bbfdc786f67e9bdfb6e45945be0fef0c764ea0fb860f4", kill_on_drop: false }` [INFO] [stderr] Compiling colorgradient-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::process` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::process; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/main.rs:47:10 [INFO] [stdout] | [INFO] [stdout] 47 | ); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 175 | println!("{}", color_bar!(rgb)); [INFO] [stdout] | --------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #79813 [INFO] [stdout] = note: this warning originates in the macro `color_bar` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:132:5 [INFO] [stdout] | [INFO] [stdout] 132 | stdout().flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "6b233e57329b4f7fb39bbfdc786f67e9bdfb6e45945be0fef0c764ea0fb860f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6b233e57329b4f7fb39bbfdc786f67e9bdfb6e45945be0fef0c764ea0fb860f4", kill_on_drop: false }` [INFO] [stdout] 6b233e57329b4f7fb39bbfdc786f67e9bdfb6e45945be0fef0c764ea0fb860f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8cf273331573399d73b412fd2999a51d3883808f125db2813b4a9f4cc4fa0e23 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8cf273331573399d73b412fd2999a51d3883808f125db2813b4a9f4cc4fa0e23", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::process` [INFO] [stderr] --> src/main.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::process; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trailing semicolon in macro used in expression position [INFO] [stderr] --> src/main.rs:47:10 [INFO] [stderr] | [INFO] [stderr] 47 | ); [INFO] [stderr] | ^ [INFO] [stderr] ... [INFO] [stderr] 175 | println!("{}", color_bar!(rgb)); [INFO] [stderr] | --------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #79813 [INFO] [stderr] = note: this warning originates in the macro `color_bar` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:132:5 [INFO] [stderr] | [INFO] [stderr] 132 | stdout().flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `colorgradient-rs` (bin "colorgradient-rs" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/colorgradient_rs-77cbfb5131ffa021) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test tests::closest_whole_numbers_test ... ok [INFO] [stdout] test tests::find_y_test ... ok [INFO] [stdout] test tests::get_channels_test ... ok [INFO] [stdout] test tests::find_slope_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8cf273331573399d73b412fd2999a51d3883808f125db2813b4a9f4cc4fa0e23", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cf273331573399d73b412fd2999a51d3883808f125db2813b4a9f4cc4fa0e23", kill_on_drop: false }` [INFO] [stdout] 8cf273331573399d73b412fd2999a51d3883808f125db2813b4a9f4cc4fa0e23