[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] testing sjxiang/brainfsck against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsjxiang%2Fbrainfsck" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[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-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sjxiang/brainfsck on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4096801af886450c29aab7a917cee649d9b0994085537e106920d3804e771705
[INFO] running `Command { std: "docker" "start" "-a" "4096801af886450c29aab7a917cee649d9b0994085537e106920d3804e771705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4096801af886450c29aab7a917cee649d9b0994085537e106920d3804e771705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4096801af886450c29aab7a917cee649d9b0994085537e106920d3804e771705", kill_on_drop: false }`
[INFO] [stdout] 4096801af886450c29aab7a917cee649d9b0994085537e106920d3804e771705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f283b1b84231545387b7b7e3d15c067fcb20db11f3276dba7322270f2bea3859
[INFO] running `Command { std: "docker" "start" "-a" "f283b1b84231545387b7b7e3d15c067fcb20db11f3276dba7322270f2bea3859", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "f283b1b84231545387b7b7e3d15c067fcb20db11f3276dba7322270f2bea3859", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f283b1b84231545387b7b7e3d15c067fcb20db11f3276dba7322270f2bea3859", kill_on_drop: false }`
[INFO] [stdout] f283b1b84231545387b7b7e3d15c067fcb20db11f3276dba7322270f2bea3859
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7a71d65c5ff6eabb4668d989c02b801ed46d58273a8a85898a3a72a27a34ce1
[INFO] running `Command { std: "docker" "start" "-a" "f7a71d65c5ff6eabb4668d989c02b801ed46d58273a8a85898a3a72a27a34ce1", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "f7a71d65c5ff6eabb4668d989c02b801ed46d58273a8a85898a3a72a27a34ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a71d65c5ff6eabb4668d989c02b801ed46d58273a8a85898a3a72a27a34ce1", kill_on_drop: false }`
[INFO] [stdout] f7a71d65c5ff6eabb4668d989c02b801ed46d58273a8a85898a3a72a27a34ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9446965ef6e5359c34d5b16c2c1091fb9c6d13eb09af8c194ff5ec6933c4a08
[INFO] running `Command { std: "docker" "start" "-a" "e9446965ef6e5359c34d5b16c2c1091fb9c6d13eb09af8c194ff5ec6933c4a08", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Opcode`
[INFO] [stderr]  --> src/main.rs:1:14
[INFO] [stderr]   |
[INFO] [stderr] 1 | use opcode::{Opcode, Code};
[INFO] [stderr]   |              ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `jtable` is never read
[INFO] [stderr]   --> src/opcode.rs:36:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct Code {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 35 |     pub instrs: Vec<Opcode>,
[INFO] [stderr] 36 |     pub jtable: std::collections::HashMap<usize, usize>,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Code` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `brainfsck` (bin "brainfsck" test) generated 2 warnings (run `cargo fix --bin "brainfsck" -p brainfsck --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/brainfsck-1058c9e0fb005391)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e9446965ef6e5359c34d5b16c2c1091fb9c6d13eb09af8c194ff5ec6933c4a08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9446965ef6e5359c34d5b16c2c1091fb9c6d13eb09af8c194ff5ec6933c4a08", kill_on_drop: false }`
[INFO] [stdout] e9446965ef6e5359c34d5b16c2c1091fb9c6d13eb09af8c194ff5ec6933c4a08