[INFO] cloning repository https://github.com/sjxiang/brainfsck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjxiang/brainfsck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjxiang%2Fbrainfsck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjxiang%2Fbrainfsck'...
[INFO] [stderr] error: copy-fd: write returned: No space left on device
[INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-push.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjxiang%2Fbrainfsck/hooks/pre-push.sample': No space left on device
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/sjxiang/brainfsck
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sjxiang/brainfsck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjxiang%2Fbrainfsck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjxiang%2Fbrainfsck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c61331ff0824cc7b9670ce201db95b82fbe1efb
[INFO] checking sjxiang/brainfsck against master#69fd5e4059f8840f09f60269bcda23dcdcb77151 for pr-135733
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjxiang%2Fbrainfsck" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sjxiang/brainfsck on toolchain 69fd5e4059f8840f09f60269bcda23dcdcb77151
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sjxiang/brainfsck
[INFO] finished tweaking git repo https://github.com/sjxiang/brainfsck
[INFO] tweaked toml for git repo https://github.com/sjxiang/brainfsck written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sjxiang/brainfsck 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" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9c145f39e47d0e79bf3d8262b454337f308e4a7961a2581e2ef360691c690d76
[INFO] running `Command { std: "docker" "start" "-a" "9c145f39e47d0e79bf3d8262b454337f308e4a7961a2581e2ef360691c690d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c145f39e47d0e79bf3d8262b454337f308e4a7961a2581e2ef360691c690d76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c145f39e47d0e79bf3d8262b454337f308e4a7961a2581e2ef360691c690d76", kill_on_drop: false }`
[INFO] [stdout] 9c145f39e47d0e79bf3d8262b454337f308e4a7961a2581e2ef360691c690d76
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+69fd5e4059f8840f09f60269bcda23dcdcb77151" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6586e3fd2d99c6ffd908d222298f0e542900ec0fa480ec5425d7e8575431ae8
[INFO] running `Command { std: "docker" "start" "-a" "e6586e3fd2d99c6ffd908d222298f0e542900ec0fa480ec5425d7e8575431ae8", kill_on_drop: false }`
[INFO] [stderr]     Checking brainfsck v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Opcode`
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use opcode::{Opcode, Code};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Opcode`
[INFO] [stdout]  --> src/main.rs:1:14
[INFO] [stdout]   |
[INFO] [stdout] 1 | use opcode::{Opcode, Code};
[INFO] [stdout]   |              ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `jtable` is never read
[INFO] [stdout]   --> src/opcode.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Code {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 35 |     pub instrs: Vec<Opcode>,
[INFO] [stdout] 36 |     pub jtable: std::collections::HashMap<usize, usize>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `jtable` is never read
[INFO] [stdout]   --> src/opcode.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct Code {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 35 |     pub instrs: Vec<Opcode>,
[INFO] [stdout] 36 |     pub jtable: std::collections::HashMap<usize, usize>,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "e6586e3fd2d99c6ffd908d222298f0e542900ec0fa480ec5425d7e8575431ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6586e3fd2d99c6ffd908d222298f0e542900ec0fa480ec5425d7e8575431ae8", kill_on_drop: false }`
[INFO] [stdout] e6586e3fd2d99c6ffd908d222298f0e542900ec0fa480ec5425d7e8575431ae8