[INFO] cloning repository https://github.com/0e4ef622/memory-spec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0e4ef622/memory-spec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0e4ef622%2Fmemory-spec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0e4ef622%2Fmemory-spec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f64e64dac1a61f0ea83c9992035bd66043453a35
[INFO] checking 0e4ef622/memory-spec against master#fcac501a73cdde54de46a0683567f1a890730555 for pr-151102
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0e4ef622%2Fmemory-spec" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0e4ef622/memory-spec
[INFO] finished tweaking git repo https://github.com/0e4ef622/memory-spec
[INFO] tweaked toml for git repo https://github.com/0e4ef622/memory-spec written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0e4ef622/memory-spec on toolchain fcac501a73cdde54de46a0683567f1a890730555
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0e4ef622/memory-spec 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" "+fcac501a73cdde54de46a0683567f1a890730555" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.4.3
[INFO] [stderr]   Downloaded num-complex v0.4.6
[INFO] [stderr]   Downloaded num-rational v0.4.2
[INFO] [stderr]   Downloaded miette v7.6.0
[INFO] [stderr]   Downloaded kdl v6.5.0
[INFO] [stderr]   Downloaded winnow v0.6.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 250c9323cff28ae3ffbe60a57dcae2dc0470f378debb5f98293d048de78491ca
[INFO] running `Command { std: "docker" "start" "-a" "250c9323cff28ae3ffbe60a57dcae2dc0470f378debb5f98293d048de78491ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "250c9323cff28ae3ffbe60a57dcae2dc0470f378debb5f98293d048de78491ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "250c9323cff28ae3ffbe60a57dcae2dc0470f378debb5f98293d048de78491ca", kill_on_drop: false }`
[INFO] [stdout] 250c9323cff28ae3ffbe60a57dcae2dc0470f378debb5f98293d048de78491ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+fcac501a73cdde54de46a0683567f1a890730555" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d814c967887c96f37a6fd18771d6ead5f119186efbbd95abb927cb3005911523
[INFO] running `Command { std: "docker" "start" "-a" "d814c967887c96f37a6fd18771d6ead5f119186efbbd95abb927cb3005911523", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]     Checking winnow v0.6.24
[INFO] [stderr]     Checking unicode-ident v1.0.22
[INFO] [stderr]     Checking miette v7.6.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking kdl v6.5.0
[INFO] [stderr]     Checking memory-spec v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]    --> src/lib.rs:517:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |         let r = MemorySpec::from_str(content).unwrap();
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> examples/print_to_stdout.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let output = println!(
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "d814c967887c96f37a6fd18771d6ead5f119186efbbd95abb927cb3005911523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d814c967887c96f37a6fd18771d6ead5f119186efbbd95abb927cb3005911523", kill_on_drop: false }`
[INFO] [stdout] d814c967887c96f37a6fd18771d6ead5f119186efbbd95abb927cb3005911523
