[INFO] cloning repository https://github.com/joaomoreno/fanshim-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joaomoreno/fanshim-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaomoreno%2Ffanshim-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaomoreno%2Ffanshim-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ed17c7c0105b674ca984ed19ed1d56a113e0ae9
[INFO] testing joaomoreno/fanshim-rust against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaomoreno%2Ffanshim-rust" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joaomoreno/fanshim-rust on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joaomoreno/fanshim-rust
[INFO] finished tweaking git repo https://github.com/joaomoreno/fanshim-rust
[INFO] tweaked toml for git repo https://github.com/joaomoreno/fanshim-rust written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/joaomoreno/fanshim-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1de1d2aac934f42f174f03be4d84a0c4c9d87d523289da7e7d29f8c33eb1f6ba
[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" "1de1d2aac934f42f174f03be4d84a0c4c9d87d523289da7e7d29f8c33eb1f6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1de1d2aac934f42f174f03be4d84a0c4c9d87d523289da7e7d29f8c33eb1f6ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de1d2aac934f42f174f03be4d84a0c4c9d87d523289da7e7d29f8c33eb1f6ba", kill_on_drop: false }`
[INFO] [stdout] 1de1d2aac934f42f174f03be4d84a0c4c9d87d523289da7e7d29f8c33eb1f6ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] aeef9cc4b8fa055ce012348c59a5a985dde6d4290f34c013500124c4a7ea97f4
[INFO] running `Command { std: "docker" "start" "-a" "aeef9cc4b8fa055ce012348c59a5a985dde6d4290f34c013500124c4a7ea97f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling fanshim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.52s
[INFO] running `Command { std: "docker" "inspect" "aeef9cc4b8fa055ce012348c59a5a985dde6d4290f34c013500124c4a7ea97f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeef9cc4b8fa055ce012348c59a5a985dde6d4290f34c013500124c4a7ea97f4", kill_on_drop: false }`
[INFO] [stdout] aeef9cc4b8fa055ce012348c59a5a985dde6d4290f34c013500124c4a7ea97f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc0e45c59476872e8b11ef63f35654115d8ecf55d63619f2fda7b34a8f1ed774
[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" "cc0e45c59476872e8b11ef63f35654115d8ecf55d63619f2fda7b34a8f1ed774", kill_on_drop: false }`
[INFO] [stderr]    Compiling colorsys v0.5.3
[INFO] [stderr]    Compiling fanshim v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stdout]  --> examples/led.rs:8:27
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stdout]   |                           ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> examples/led.rs:38:3
[INFO] [stdout]    |
[INFO] [stdout] 14 | /   loop {
[INFO] [stdout] 15 | |     println!("{}", h);
[INFO] [stdout] 16 | |     let hsl = Hsl::new(h as f64, 100.0, 50.0, Some(1.0));
[INFO] [stdout] 17 | |     let rgb = Rgb::from(&hsl);
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     h = (h + 1) % 360;
[INFO] [stdout] 36 | |   }
[INFO] [stdout]    | |___- any code following this expression is unreachable
[INFO] [stdout] 37 | 
[INFO] [stdout] 38 |     Ok(())
[INFO] [stdout]    |     ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.53s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc0e45c59476872e8b11ef63f35654115d8ecf55d63619f2fda7b34a8f1ed774", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc0e45c59476872e8b11ef63f35654115d8ecf55d63619f2fda7b34a8f1ed774", kill_on_drop: false }`
[INFO] [stdout] cc0e45c59476872e8b11ef63f35654115d8ecf55d63619f2fda7b34a8f1ed774
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 45b836f0d95975d4b167e13ccb50221c2af5218ad77ea19ed795a2f782d94b1a
[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" "45b836f0d95975d4b167e13ccb50221c2af5218ad77ea19ed795a2f782d94b1a", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stderr]  --> examples/led.rs:8:27
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::time::{Duration, SystemTime, UNIX_EPOCH};
[INFO] [stderr]   |                           ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> examples/led.rs:38:3
[INFO] [stderr]    |
[INFO] [stderr] 14 | /   loop {
[INFO] [stderr] 15 | |     println!("{}", h);
[INFO] [stderr] 16 | |     let hsl = Hsl::new(h as f64, 100.0, 50.0, Some(1.0));
[INFO] [stderr] 17 | |     let rgb = Rgb::from(&hsl);
[INFO] [stderr] ...  |
[INFO] [stderr] 35 | |     h = (h + 1) % 360;
[INFO] [stderr] 36 | |   }
[INFO] [stderr]    | |___- any code following this expression is unreachable
[INFO] [stderr] 37 | 
[INFO] [stderr] 38 |     Ok(())
[INFO] [stderr]    |     ^^^^^^ unreachable expression
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fanshim-fd9490e7b08743fb
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fanshim
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "45b836f0d95975d4b167e13ccb50221c2af5218ad77ea19ed795a2f782d94b1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b836f0d95975d4b167e13ccb50221c2af5218ad77ea19ed795a2f782d94b1a", kill_on_drop: false }`
[INFO] [stdout] 45b836f0d95975d4b167e13ccb50221c2af5218ad77ea19ed795a2f782d94b1a