[INFO] cloning repository https://github.com/eliemichel/Cooldown
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eliemichel/Cooldown" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliemichel%2FCooldown", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliemichel%2FCooldown'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e780224546970bcf8b2ff66937459259f964f73a
[INFO] checking eliemichel/Cooldown against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliemichel%2FCooldown" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eliemichel/Cooldown on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eliemichel/Cooldown
[INFO] finished tweaking git repo https://github.com/eliemichel/Cooldown
[INFO] tweaked toml for git repo https://github.com/eliemichel/Cooldown written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/eliemichel/Cooldown already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "fetch" "--locked" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04496c2173a4795b0ede334f30f542f0ce32a1966e08c30fa5d9f3bc47b88f1b
[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" "04496c2173a4795b0ede334f30f542f0ce32a1966e08c30fa5d9f3bc47b88f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04496c2173a4795b0ede334f30f542f0ce32a1966e08c30fa5d9f3bc47b88f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04496c2173a4795b0ede334f30f542f0ce32a1966e08c30fa5d9f3bc47b88f1b", kill_on_drop: false }`
[INFO] [stdout] 04496c2173a4795b0ede334f30f542f0ce32a1966e08c30fa5d9f3bc47b88f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58039edcc9117d099cb26a909314438543b14573e6533c2c7c9448ef6606d31d
[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" "58039edcc9117d099cb26a909314438543b14573e6533c2c7c9448ef6606d31d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking rosc v0.1.6
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking alsa v0.2.2
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking cooldown v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/midi_utils.rs:8:55
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn get_midi_in() -> Result<(MidiInput, usize),Box<Error>> {
[INFO] [stdout]   |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/midi_utils.rs:33:57
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn get_midi_out() -> Result<(MidiOutput, usize),Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:128:225
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...d>, timer: Arc<Mutex<Instant>>) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/midi_utils.rs:8:55
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn get_midi_in() -> Result<(MidiInput, usize),Box<Error>> {
[INFO] [stdout]   |                                                       ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/midi_utils.rs:33:57
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn get_midi_out() -> Result<(MidiOutput, usize),Box<Error>> {
[INFO] [stdout]    |                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:128:225
[INFO] [stdout]     |
[INFO] [stdout] 128 | ...d>, timer: Arc<Mutex<Instant>>) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                      ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:114:51
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Err(err) => println!("Error: {}", err.description())
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:114:51
[INFO] [stdout]     |
[INFO] [stdout] 114 |             Err(err) => println!("Error: {}", err.description())
[INFO] [stdout]     |                                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "58039edcc9117d099cb26a909314438543b14573e6533c2c7c9448ef6606d31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58039edcc9117d099cb26a909314438543b14573e6533c2c7c9448ef6606d31d", kill_on_drop: false }`
[INFO] [stdout] 58039edcc9117d099cb26a909314438543b14573e6533c2c7c9448ef6606d31d