[INFO] cloning repository https://github.com/djhworld/lc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djhworld/lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjhworld%2Flc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjhworld%2Flc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4607244e04a22b9a4c47b9ff4285f0242502d78
[INFO] checking djhworld/lc3 against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155501
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjhworld%2Flc3" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/djhworld/lc3
[INFO] finished tweaking git repo https://github.com/djhworld/lc3
[INFO] tweaked toml for git repo https://github.com/djhworld/lc3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/djhworld/lc3 on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/djhworld/lc3 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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded simple-error v0.2.2
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded file-utils v0.1.5
[INFO] [stderr]   Downloaded getch v0.2.1
[INFO] [stderr]   Downloaded quote v1.0.7
[INFO] [stderr]   Downloaded cc v1.0.58
[INFO] [stderr]   Downloaded proc-macro2 v1.0.19
[INFO] [stderr]   Downloaded serde v1.0.115
[INFO] [stderr]   Downloaded syn v1.0.38
[INFO] [stderr]   Downloaded derivative v2.1.1
[INFO] [stderr]   Downloaded toml v0.5.6
[INFO] [stderr]   Downloaded nix v0.13.1
[INFO] [stderr]   Downloaded libc v0.2.74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 612a5c419ef08a6ff529ac9362afdad34f1d23a2a521655c4eab2c7b2eec2cca
[INFO] running `Command { std: "docker" "start" "-a" "612a5c419ef08a6ff529ac9362afdad34f1d23a2a521655c4eab2c7b2eec2cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "612a5c419ef08a6ff529ac9362afdad34f1d23a2a521655c4eab2c7b2eec2cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612a5c419ef08a6ff529ac9362afdad34f1d23a2a521655c4eab2c7b2eec2cca", kill_on_drop: false }`
[INFO] [stdout] 612a5c419ef08a6ff529ac9362afdad34f1d23a2a521655c4eab2c7b2eec2cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f19a3d46bb7298af891d1125b7377755ea49779071d4ab3bc8287f037c6ef06
[INFO] running `Command { std: "docker" "start" "-a" "9f19a3d46bb7298af891d1125b7377755ea49779071d4ab3bc8287f037c6ef06", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking simple-error v0.2.2
[INFO] [stderr]     Checking file-utils v0.1.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking termios v0.2.2
[INFO] [stderr]     Checking getch v0.2.1
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling num_enum_derive v0.5.1
[INFO] [stderr]     Checking num_enum v0.5.1
[INFO] [stderr]     Checking lc3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `set` is never used
[INFO] [stdout]     --> src/machine.rs:1151:12
[INFO] [stdout]      |
[INFO] [stdout] 1146 |     impl DummyReader {
[INFO] [stdout]      |     ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 1151 |         fn set(&mut self, val: u8) {
[INFO] [stdout]      |            ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.98s
[INFO] running `Command { std: "docker" "inspect" "9f19a3d46bb7298af891d1125b7377755ea49779071d4ab3bc8287f037c6ef06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f19a3d46bb7298af891d1125b7377755ea49779071d4ab3bc8287f037c6ef06", kill_on_drop: false }`
[INFO] [stdout] 9f19a3d46bb7298af891d1125b7377755ea49779071d4ab3bc8287f037c6ef06