[INFO] cloning repository https://github.com/scjudd/gb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scjudd/gb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscjudd%2Fgb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscjudd%2Fgb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c332b803ad5be91e67077cbc5e845b472af28e1
[INFO] checking scjudd/gb against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscjudd%2Fgb" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scjudd/gb on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scjudd/gb
[INFO] finished tweaking git repo https://github.com/scjudd/gb
[INFO] tweaked toml for git repo https://github.com/scjudd/gb written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/scjudd/gb already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", 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] 79cfe74aea8fc6c02a656e2b62b0fd1f391cb5451dcb18a15c5dca58cc72fb0c
[INFO] running `Command { std: "docker" "start" "-a" "79cfe74aea8fc6c02a656e2b62b0fd1f391cb5451dcb18a15c5dca58cc72fb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79cfe74aea8fc6c02a656e2b62b0fd1f391cb5451dcb18a15c5dca58cc72fb0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79cfe74aea8fc6c02a656e2b62b0fd1f391cb5451dcb18a15c5dca58cc72fb0c", kill_on_drop: false }`
[INFO] [stdout] 79cfe74aea8fc6c02a656e2b62b0fd1f391cb5451dcb18a15c5dca58cc72fb0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--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] 2e9e61a64ff6d62ba9ca272f5ed1f2b7c4f2876253ec7a5ec4d56f54213edc7f
[INFO] running `Command { std: "docker" "start" "-a" "2e9e61a64ff6d62ba9ca272f5ed1f2b7c4f2876253ec7a5ec4d56f54213edc7f", kill_on_drop: false }`
[INFO] [stderr]     Checking gb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/bus.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn new() -> FakeBus {
[INFO] [stdout]     |            ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/cpu.rs:55:12
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn reset() -> Cpu {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `reset`
[INFO] [stdout]   --> src/registers.rs:97:12
[INFO] [stdout]    |
[INFO] [stdout] 97 |     pub fn reset() -> Registers {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "2e9e61a64ff6d62ba9ca272f5ed1f2b7c4f2876253ec7a5ec4d56f54213edc7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9e61a64ff6d62ba9ca272f5ed1f2b7c4f2876253ec7a5ec4d56f54213edc7f", kill_on_drop: false }`
[INFO] [stdout] 2e9e61a64ff6d62ba9ca272f5ed1f2b7c4f2876253ec7a5ec4d56f54213edc7f