[INFO] cloning repository https://github.com/matt-slater/dmg
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matt-slater/dmg" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-slater%2Fdmg", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-slater%2Fdmg'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 85b0dfc533a6798225fb8e546afb0624510a17ba
[INFO] checking matt-slater/dmg against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-slater%2Fdmg" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-slater/dmg on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matt-slater/dmg
[INFO] finished tweaking git repo https://github.com/matt-slater/dmg
[INFO] tweaked toml for git repo https://github.com/matt-slater/dmg written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matt-slater/dmg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking matt-slater/dmg against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-slater%2Fdmg" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-slater/dmg on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matt-slater/dmg
[INFO] finished tweaking git repo https://github.com/matt-slater/dmg
[INFO] tweaked toml for git repo https://github.com/matt-slater/dmg written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matt-slater/dmg already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ea3abbd82ae9b2950219831ba57a0e2b03c649d7898e7e4af3f55d35d3883be
[INFO] running `Command { std: "docker" "start" "-a" "7ea3abbd82ae9b2950219831ba57a0e2b03c649d7898e7e4af3f55d35d3883be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea3abbd82ae9b2950219831ba57a0e2b03c649d7898e7e4af3f55d35d3883be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea3abbd82ae9b2950219831ba57a0e2b03c649d7898e7e4af3f55d35d3883be", kill_on_drop: false }`
[INFO] [stdout] 7ea3abbd82ae9b2950219831ba57a0e2b03c649d7898e7e4af3f55d35d3883be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93e649fde5bded6881f21f53159d5cbdeccf34735634bf14e602c5a871d3ebf9
[INFO] running `Command { std: "docker" "start" "-a" "93e649fde5bded6881f21f53159d5cbdeccf34735634bf14e602c5a871d3ebf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]     Checking dmg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/cpu.rs:482:19
[INFO] [stdout]     |
[INFO] [stdout] 482 | fn sixteen_bit_hc(a: u16, b: u16) -> bool {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/cpu.rs:482:27
[INFO] [stdout]     |
[INFO] [stdout] 482 | fn sixteen_bit_hc(a: u16, b: u16) -> bool {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C_FLAG` is never used
[INFO] [stdout]  --> src/cpu.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const C_FLAG: u8 = 0x10; //  0b0001_0000
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `n` and `hc` are never used
[INFO] [stdout]    --> src/cpu.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 24  | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 397 |     fn n(&self) -> bool {
[INFO] [stdout]     |        ^
[INFO] [stdout] ...
[INFO] [stdout] 412 |     fn hc(&self) -> bool {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sixteen_bit_hc` is never used
[INFO] [stdout]    --> src/cpu.rs:482:4
[INFO] [stdout]     |
[INFO] [stdout] 482 | fn sixteen_bit_hc(a: u16, b: u16) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/cpu.rs:482:19
[INFO] [stdout]     |
[INFO] [stdout] 482 | fn sixteen_bit_hc(a: u16, b: u16) -> bool {
[INFO] [stdout]     |                   ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/cpu.rs:482:27
[INFO] [stdout]     |
[INFO] [stdout] 482 | fn sixteen_bit_hc(a: u16, b: u16) -> bool {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `C_FLAG` is never used
[INFO] [stdout]  --> src/cpu.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const C_FLAG: u8 = 0x10; //  0b0001_0000
[INFO] [stdout]   |       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `n` and `hc` are never used
[INFO] [stdout]    --> src/cpu.rs:397:8
[INFO] [stdout]     |
[INFO] [stdout] 24  | impl Cpu {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 397 |     fn n(&self) -> bool {
[INFO] [stdout]     |        ^
[INFO] [stdout] ...
[INFO] [stdout] 412 |     fn hc(&self) -> bool {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `sixteen_bit_hc` is never used
[INFO] [stdout]    --> src/cpu.rs:482:4
[INFO] [stdout]     |
[INFO] [stdout] 482 | fn sixteen_bit_hc(a: u16, b: u16) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "93e649fde5bded6881f21f53159d5cbdeccf34735634bf14e602c5a871d3ebf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e649fde5bded6881f21f53159d5cbdeccf34735634bf14e602c5a871d3ebf9", kill_on_drop: false }`
[INFO] [stdout] 93e649fde5bded6881f21f53159d5cbdeccf34735634bf14e602c5a871d3ebf9
