[INFO] cloning repository https://github.com/tengyifei/icfp-universal-machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tengyifei/icfp-universal-machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengyifei%2Ficfp-universal-machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengyifei%2Ficfp-universal-machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e643c3d83e8c9c80f799382a62307ede019e42b6
[INFO] testing tengyifei/icfp-universal-machine against try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftengyifei%2Ficfp-universal-machine" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tengyifei/icfp-universal-machine
[INFO] finished tweaking git repo https://github.com/tengyifei/icfp-universal-machine
[INFO] tweaked toml for git repo https://github.com/tengyifei/icfp-universal-machine written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tengyifei/icfp-universal-machine on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tengyifei/icfp-universal-machine 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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d57e3a2c71578a26f2fe95ef3d0f2aa64297a09cd63df7359fcb46e42ccb1911
[INFO] running `Command { std: "docker" "start" "-a" "d57e3a2c71578a26f2fe95ef3d0f2aa64297a09cd63df7359fcb46e42ccb1911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57e3a2c71578a26f2fe95ef3d0f2aa64297a09cd63df7359fcb46e42ccb1911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57e3a2c71578a26f2fe95ef3d0f2aa64297a09cd63df7359fcb46e42ccb1911", kill_on_drop: false }`
[INFO] [stdout] d57e3a2c71578a26f2fe95ef3d0f2aa64297a09cd63df7359fcb46e42ccb1911
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e10cf3e3f6ed25507b32c393cc3e8476cd809203c8b212c248035b7bfbb026da
[INFO] running `Command { std: "docker" "start" "-a" "e10cf3e3f6ed25507b32c393cc3e8476cd809203c8b212c248035b7bfbb026da", kill_on_drop: false }`
[INFO] [stderr]    Compiling an_urgent_appeal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `inst` is never read
[INFO] [stdout]  --> src/um/errors.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     UnknownInstruction { inst: Word },
[INFO] [stdout]   |     ------------------   ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UmError` 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] [stdout] warning: field `idx` is never read
[INFO] [stdout]  --> src/um/errors.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |     InvalidRegisterIndex { idx: u8 },
[INFO] [stdout]   |     --------------------   ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]   --> src/um/errors.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     InvalidOutput { val: Word },
[INFO] [stdout]    |     -------------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "e10cf3e3f6ed25507b32c393cc3e8476cd809203c8b212c248035b7bfbb026da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10cf3e3f6ed25507b32c393cc3e8476cd809203c8b212c248035b7bfbb026da", kill_on_drop: false }`
[INFO] [stdout] e10cf3e3f6ed25507b32c393cc3e8476cd809203c8b212c248035b7bfbb026da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35843b8a3dfc83571d19d3bef0d3bfd6e6fbdf03ca289343e73705d40fc17603
[INFO] running `Command { std: "docker" "start" "-a" "35843b8a3dfc83571d19d3bef0d3bfd6e6fbdf03ca289343e73705d40fc17603", kill_on_drop: false }`
[INFO] [stderr]    Compiling an_urgent_appeal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `inst` is never read
[INFO] [stdout]  --> src/um/errors.rs:7:26
[INFO] [stdout]   |
[INFO] [stdout] 7 |     UnknownInstruction { inst: Word },
[INFO] [stdout]   |     ------------------   ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UmError` 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] [stdout] warning: field `idx` is never read
[INFO] [stdout]  --> src/um/errors.rs:8:28
[INFO] [stdout]   |
[INFO] [stdout] 8 |     InvalidRegisterIndex { idx: u8 },
[INFO] [stdout]   |     --------------------   ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `val` is never read
[INFO] [stdout]   --> src/um/errors.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     InvalidOutput { val: Word },
[INFO] [stdout]    |     -------------   ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "35843b8a3dfc83571d19d3bef0d3bfd6e6fbdf03ca289343e73705d40fc17603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35843b8a3dfc83571d19d3bef0d3bfd6e6fbdf03ca289343e73705d40fc17603", kill_on_drop: false }`
[INFO] [stdout] 35843b8a3dfc83571d19d3bef0d3bfd6e6fbdf03ca289343e73705d40fc17603
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d960673ca97a383955804d27fc91acc20d4b57d37edaa48956bfb2f3fccd07e1
[INFO] running `Command { std: "docker" "start" "-a" "d960673ca97a383955804d27fc91acc20d4b57d37edaa48956bfb2f3fccd07e1", kill_on_drop: false }`
[INFO] [stderr] warning: field `inst` is never read
[INFO] [stdout] 
[INFO] [stderr]  --> src/um/errors.rs:7:26
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 7 |     UnknownInstruction { inst: Word },
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |     ------------------   ^^^^
[INFO] [stdout] 
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `UmError` 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: field `idx` is never read
[INFO] [stderr]  --> src/um/errors.rs:8:28
[INFO] [stderr]   |
[INFO] [stderr] 8 |     InvalidRegisterIndex { idx: u8 },
[INFO] [stderr]   |     --------------------   ^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `UmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `val` is never read
[INFO] [stderr]   --> src/um/errors.rs:14:21
[INFO] [stderr]    |
[INFO] [stderr] 14 |     InvalidOutput { val: Word },
[INFO] [stderr]    |     -------------   ^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `UmError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `an_urgent_appeal` (bin "an_urgent_appeal" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/an_urgent_appeal-c55fe1fa9fab5871)
[INFO] running `Command { std: "docker" "inspect" "d960673ca97a383955804d27fc91acc20d4b57d37edaa48956bfb2f3fccd07e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d960673ca97a383955804d27fc91acc20d4b57d37edaa48956bfb2f3fccd07e1", kill_on_drop: false }`
[INFO] [stdout] d960673ca97a383955804d27fc91acc20d4b57d37edaa48956bfb2f3fccd07e1