[INFO] cloning repository https://github.com/jtdubs/emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtdubs/emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdubs%2Femu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdubs%2Femu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7160a2b844be83570a70761bef1f9ddd9c2a164
[INFO] checking jtdubs/emu against try#5c7108a2805ef56743d713d2789c5e802631c9e8 for pr-97739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtdubs%2Femu" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtdubs/emu on toolchain 5c7108a2805ef56743d713d2789c5e802631c9e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5c7108a2805ef56743d713d2789c5e802631c9e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtdubs/emu
[INFO] finished tweaking git repo https://github.com/jtdubs/emu
[INFO] tweaked toml for git repo https://github.com/jtdubs/emu written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/jtdubs/emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5c7108a2805ef56743d713d2789c5e802631c9e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+5c7108a2805ef56743d713d2789c5e802631c9e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1ad24e2aefbcd948e7f54fb60211f942a2afe9b7a0d5b69387cf229054eb1f9
[INFO] running `Command { std: "docker" "start" "-a" "b1ad24e2aefbcd948e7f54fb60211f942a2afe9b7a0d5b69387cf229054eb1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1ad24e2aefbcd948e7f54fb60211f942a2afe9b7a0d5b69387cf229054eb1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1ad24e2aefbcd948e7f54fb60211f942a2afe9b7a0d5b69387cf229054eb1f9", kill_on_drop: false }`
[INFO] [stdout] b1ad24e2aefbcd948e7f54fb60211f942a2afe9b7a0d5b69387cf229054eb1f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+5c7108a2805ef56743d713d2789c5e802631c9e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3144d6298a29534ef9ff7166f1f3f979b6888182505196b1eb2f7d32788504c4
[INFO] running `Command { std: "docker" "start" "-a" "3144d6298a29534ef9ff7166f1f3f979b6888182505196b1eb2f7d32788504c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking regex v1.3.5
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.5
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking emu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function `bench` is never used
[INFO] [stdout]    --> src/debugger.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn bench(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `bench` is never used
[INFO] [stdout]    --> src/debugger.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 |     pub fn bench(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/debugger.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 | /             let _ = cond
[INFO] [stdout] 384 | |                 .wait_while(mutex.lock().unwrap(), |c| {
[INFO] [stdout] 385 | |                     if *c == 0 {
[INFO] [stdout] 386 | |                         true
[INFO] [stdout] ...   |
[INFO] [stdout] 391 | |                 })
[INFO] [stdout] 392 | |                 .unwrap();
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let _unused = cond
[INFO] [stdout]     |                 ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 383 ~             drop(cond
[INFO] [stdout] 384 |                 .wait_while(mutex.lock().unwrap(), |c| {
[INFO] [stdout]   ...
[INFO] [stdout] 391 |                 })
[INFO] [stdout] 392 ~                 .unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emu` due to 2 previous errors; 1 warning emitted
[INFO] [stdout] error: non-binding let on a synchronization lock
[INFO] [stdout]    --> src/debugger.rs:383:13
[INFO] [stdout]     |
[INFO] [stdout] 383 | /             let _ = cond
[INFO] [stdout] 384 | |                 .wait_while(mutex.lock().unwrap(), |c| {
[INFO] [stdout] 385 | |                     if *c == 0 {
[INFO] [stdout] 386 | |                         true
[INFO] [stdout] ...   |
[INFO] [stdout] 391 | |                 })
[INFO] [stdout] 392 | |                 .unwrap();
[INFO] [stdout]     | |__________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(let_underscore_lock)]` on by default
[INFO] [stdout] help: consider binding to an unused variable to avoid immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 383 |             let _unused = cond
[INFO] [stdout]     |                 ~~~~~~~
[INFO] [stdout] help: consider immediately dropping the value
[INFO] [stdout]     |
[INFO] [stdout] 383 ~             drop(cond
[INFO] [stdout] 384 |                 .wait_while(mutex.lock().unwrap(), |c| {
[INFO] [stdout]   ...
[INFO] [stdout] 391 |                 })
[INFO] [stdout] 392 ~                 .unwrap());
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emu` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "3144d6298a29534ef9ff7166f1f3f979b6888182505196b1eb2f7d32788504c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3144d6298a29534ef9ff7166f1f3f979b6888182505196b1eb2f7d32788504c4", kill_on_drop: false }`
[INFO] [stdout] 3144d6298a29534ef9ff7166f1f3f979b6888182505196b1eb2f7d32788504c4