[INFO] cloning repository https://github.com/intephom/lc3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/intephom/lc3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintephom%2Flc3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintephom%2Flc3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a8cb4d9587b2d136a2d44764dc5e6cabc721c29
[INFO] testing intephom/lc3 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fintephom%2Flc3" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/intephom/lc3
[INFO] finished tweaking git repo https://github.com/intephom/lc3
[INFO] tweaked toml for git repo https://github.com/intephom/lc3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/intephom/lc3 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/intephom/lc3 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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6476f789ca5f841563a32a345a6690837491d20c1362047675e89d05ec4bb159
[INFO] running `Command { std: "docker" "start" "-a" "6476f789ca5f841563a32a345a6690837491d20c1362047675e89d05ec4bb159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6476f789ca5f841563a32a345a6690837491d20c1362047675e89d05ec4bb159", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6476f789ca5f841563a32a345a6690837491d20c1362047675e89d05ec4bb159", kill_on_drop: false }`
[INFO] [stdout] 6476f789ca5f841563a32a345a6690837491d20c1362047675e89d05ec4bb159
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71cce1b5f741a3d938c5bfe0937d153decbb38f52f4f0ee27ef1b26e71b8fb58
[INFO] running `Command { std: "docker" "start" "-a" "71cce1b5f741a3d938c5bfe0937d153decbb38f52f4f0ee27ef1b26e71b8fb58", kill_on_drop: false }`
[INFO] [stderr]    Compiling lc3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Nop` is never constructed
[INFO] [stdout]  --> src/ops.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Op {
[INFO] [stdout]   |          -- variant in this enum
[INFO] [stdout] 3 |     Nop,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Op` 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 0.98s
[INFO] running `Command { std: "docker" "inspect" "71cce1b5f741a3d938c5bfe0937d153decbb38f52f4f0ee27ef1b26e71b8fb58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71cce1b5f741a3d938c5bfe0937d153decbb38f52f4f0ee27ef1b26e71b8fb58", kill_on_drop: false }`
[INFO] [stdout] 71cce1b5f741a3d938c5bfe0937d153decbb38f52f4f0ee27ef1b26e71b8fb58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00311ed33941c6b4a2bd4ef79fe0aac9e3cc75c635bff60e2e2f34ee7bcf0e06
[INFO] running `Command { std: "docker" "start" "-a" "00311ed33941c6b4a2bd4ef79fe0aac9e3cc75c635bff60e2e2f34ee7bcf0e06", kill_on_drop: false }`
[INFO] [stderr]    Compiling lc3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Nop` is never constructed
[INFO] [stdout]  --> src/ops.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Op {
[INFO] [stdout]   |          -- variant in this enum
[INFO] [stdout] 3 |     Nop,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Op` 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 0.44s
[INFO] running `Command { std: "docker" "inspect" "00311ed33941c6b4a2bd4ef79fe0aac9e3cc75c635bff60e2e2f34ee7bcf0e06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00311ed33941c6b4a2bd4ef79fe0aac9e3cc75c635bff60e2e2f34ee7bcf0e06", kill_on_drop: false }`
[INFO] [stdout] 00311ed33941c6b4a2bd4ef79fe0aac9e3cc75c635bff60e2e2f34ee7bcf0e06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 618c07473936d11e920b45d064858069218f0edf2028a1d5cd8be58906437ab2
[INFO] running `Command { std: "docker" "start" "-a" "618c07473936d11e920b45d064858069218f0edf2028a1d5cd8be58906437ab2", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Nop` is never constructed
[INFO] [stderr]  --> src/ops.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum Op {
[INFO] [stderr]   |          -- variant in this enum
[INFO] [stderr] 3 |     Nop,
[INFO] [stderr]   |     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Op` 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: `lc3` (bin "lc3" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lc3-15d6b5dbd7ed1e56)
[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" "618c07473936d11e920b45d064858069218f0edf2028a1d5cd8be58906437ab2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618c07473936d11e920b45d064858069218f0edf2028a1d5cd8be58906437ab2", kill_on_drop: false }`
[INFO] [stdout] 618c07473936d11e920b45d064858069218f0edf2028a1d5cd8be58906437ab2