[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 try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-slater%2Fdmg" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-slater/dmg on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "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-2-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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking matt-slater/dmg against try#b32fc44666c052e7cf07ab471bfb6f9ec571902f for pr-138676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatt-slater%2Fdmg" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matt-slater/dmg on toolchain b32fc44666c052e7cf07ab471bfb6f9ec571902f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "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-2-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" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aaf25a870feceb143f57101a4aa987ee04b0139c9350db395cc2d0bd1987b156
[INFO] running `Command { std: "docker" "start" "-a" "aaf25a870feceb143f57101a4aa987ee04b0139c9350db395cc2d0bd1987b156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aaf25a870feceb143f57101a4aa987ee04b0139c9350db395cc2d0bd1987b156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf25a870feceb143f57101a4aa987ee04b0139c9350db395cc2d0bd1987b156", kill_on_drop: false }`
[INFO] [stdout] aaf25a870feceb143f57101a4aa987ee04b0139c9350db395cc2d0bd1987b156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+b32fc44666c052e7cf07ab471bfb6f9ec571902f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaaa4d56bed97f17f462b5d5ee7a1dc27729e0f7f5ddc0a9d37e61a073966ef1
[INFO] running `Command { std: "docker" "start" "-a" "eaaa4d56bed97f17f462b5d5ee7a1dc27729e0f7f5ddc0a9d37e61a073966ef1", 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: 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "eaaa4d56bed97f17f462b5d5ee7a1dc27729e0f7f5ddc0a9d37e61a073966ef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaaa4d56bed97f17f462b5d5ee7a1dc27729e0f7f5ddc0a9d37e61a073966ef1", kill_on_drop: false }`
[INFO] [stdout] eaaa4d56bed97f17f462b5d5ee7a1dc27729e0f7f5ddc0a9d37e61a073966ef1