[INFO] fetching crate malbolge 1.0.1...
[INFO] checking malbolge-1.0.1 against try#169954edd744527414c631e9af1bbdc537b0cdf2 for pr-75192
[INFO] extracting crate malbolge 1.0.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate malbolge 1.0.1 on toolchain 169954edd744527414c631e9af1bbdc537b0cdf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate malbolge 1.0.1
[INFO] finished tweaking crates.io crate malbolge 1.0.1
[INFO] tweaked toml for crates.io crate malbolge 1.0.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc88ceaae98d5c53bbea50f807aab551615d442a7009054292a8d46f35c7a97
[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" "ddc88ceaae98d5c53bbea50f807aab551615d442a7009054292a8d46f35c7a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc88ceaae98d5c53bbea50f807aab551615d442a7009054292a8d46f35c7a97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc88ceaae98d5c53bbea50f807aab551615d442a7009054292a8d46f35c7a97", kill_on_drop: false }`
[INFO] [stdout] ddc88ceaae98d5c53bbea50f807aab551615d442a7009054292a8d46f35c7a97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+169954edd744527414c631e9af1bbdc537b0cdf2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc21a8f0387b2e15061dd26a7625611a1598f0ea889c3894db801aae258ae8c0
[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" "cc21a8f0387b2e15061dd26a7625611a1598f0ea889c3894db801aae258ae8c0", kill_on_drop: false }`
[INFO] [stderr]     Checking malbolge v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `op_code` is never read
[INFO] [stdout]    --> src/vm.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let mut op_code = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `p9` should have an upper case name
[INFO] [stdout]   --> src/util.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |         const p9: [usize; 5] = [1, 9, 81, 729, 6561];
[INFO] [stdout]    |               ^^ help: convert the identifier to upper case: `P9`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `o_table` should have an upper case name
[INFO] [stdout]   --> src/util.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |         const o_table: [[usize; 9]; 9] = [
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper case: `O_TABLE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `op_code` is never read
[INFO] [stdout]    --> src/vm.rs:115:21
[INFO] [stdout]     |
[INFO] [stdout] 115 |                 let mut op_code = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `p9` should have an upper case name
[INFO] [stdout]   --> src/util.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |         const p9: [usize; 5] = [1, 9, 81, 729, 6561];
[INFO] [stdout]    |               ^^ help: convert the identifier to upper case: `P9`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `o_table` should have an upper case name
[INFO] [stdout]   --> src/util.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |         const o_table: [[usize; 9]; 9] = [
[INFO] [stdout]    |               ^^^^^^^ help: convert the identifier to upper case: `O_TABLE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "cc21a8f0387b2e15061dd26a7625611a1598f0ea889c3894db801aae258ae8c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc21a8f0387b2e15061dd26a7625611a1598f0ea889c3894db801aae258ae8c0", kill_on_drop: false }`
[INFO] [stdout] cc21a8f0387b2e15061dd26a7625611a1598f0ea889c3894db801aae258ae8c0