[INFO] cloning repository https://github.com/mfs/box [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mfs/box" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfs%2Fbox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfs%2Fbox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3cef007c04a03b7abdb96611f209166ede476017 [INFO] checking mfs/box against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmfs%2Fbox" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mfs/box on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/mfs/box [INFO] finished tweaking git repo https://github.com/mfs/box [INFO] tweaked toml for git repo https://github.com/mfs/box written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/mfs/box already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] b1d61c413c6a16cd012f5b8cb5d966b057fec964bcda3abaab5e534d3c023e11 [INFO] running `Command { std: "docker" "start" "-a" "b1d61c413c6a16cd012f5b8cb5d966b057fec964bcda3abaab5e534d3c023e11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b1d61c413c6a16cd012f5b8cb5d966b057fec964bcda3abaab5e534d3c023e11", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1d61c413c6a16cd012f5b8cb5d966b057fec964bcda3abaab5e534d3c023e11", kill_on_drop: false }` [INFO] [stdout] b1d61c413c6a16cd012f5b8cb5d966b057fec964bcda3abaab5e534d3c023e11 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac988789a3b73ead6f681c97196e4148b1f0891b48fd6bb3d5ad6edb3b86aef2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "ac988789a3b73ead6f681c97196e4148b1f0891b48fd6bb3d5ad6edb3b86aef2", kill_on_drop: false }` [INFO] [stderr] Checking box v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/assembler.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut reader = BufReader::new(f); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `INSTRUCTIONS` [INFO] [stdout] --> src/bin/assembler.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / const INSTRUCTIONS: &'static [&'static str] = &[ [INFO] [stdout] 8 | | "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld", [INFO] [stdout] 9 | | "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr", [INFO] [stdout] 10 | | "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac", [INFO] [stdout] 11 | | "tcs", "stc", "daa", "kbp", "dcl" [INFO] [stdout] 12 | | ]; [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Token` [INFO] [stdout] --> src/bin/assembler.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | enum Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cpu.rs:441:9 [INFO] [stdout] | [INFO] [stdout] 441 | try!(write!(f, "acc: {:x} carry: {} pc: {:03x} pc stack: {:?}\n", [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cpu.rs:447:9 [INFO] [stdout] | [INFO] [stdout] 447 | try!(write!(f, "r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x}\n", [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cpu.rs:441:9 [INFO] [stdout] | [INFO] [stdout] 441 | try!(write!(f, "acc: {:x} carry: {} pc: {:03x} pc stack: {:?}\n", [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/cpu.rs:447:9 [INFO] [stdout] | [INFO] [stdout] 447 | try!(write!(f, "r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x} r{:02}: {:x}\n", [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/assembler.rs:24:9 [INFO] [stdout] | [INFO] [stdout] 24 | let mut reader = BufReader::new(f); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `INSTRUCTIONS` [INFO] [stdout] --> src/bin/assembler.rs:7:1 [INFO] [stdout] | [INFO] [stdout] 7 | / const INSTRUCTIONS: &'static [&'static str] = &[ [INFO] [stdout] 8 | | "nop", "jcn", "fim", "src", "fin", "jin", "jun", "jms", "inc", "isz", "add", "sub", "ld", [INFO] [stdout] 9 | | "xch", "bbl", "ldm", "wrm", "wmp", "wrr", "wr0", "wr1", "wr2", "wr3", "sbm", "rdm", "rdr", [INFO] [stdout] 10 | | "adm", "rd0", "rd1", "rd2", "rd3", "clb", "iac", "cmc", "cma", "ral", "rar", "tcc", "dac", [INFO] [stdout] 11 | | "tcs", "stc", "daa", "kbp", "dcl" [INFO] [stdout] 12 | | ]; [INFO] [stdout] | |__^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `Token` [INFO] [stdout] --> src/bin/assembler.rs:14:6 [INFO] [stdout] | [INFO] [stdout] 14 | enum Token { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.67s [INFO] running `Command { std: "docker" "inspect" "ac988789a3b73ead6f681c97196e4148b1f0891b48fd6bb3d5ad6edb3b86aef2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac988789a3b73ead6f681c97196e4148b1f0891b48fd6bb3d5ad6edb3b86aef2", kill_on_drop: false }` [INFO] [stdout] ac988789a3b73ead6f681c97196e4148b1f0891b48fd6bb3d5ad6edb3b86aef2