[INFO] cloning repository https://github.com/takepiyo/the_rust_programming_language
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/takepiyo/the_rust_programming_language" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakepiyo%2Fthe_rust_programming_language", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakepiyo%2Fthe_rust_programming_language'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58284db08d8cde33e99e4f8cdd8cbab854019a88
[INFO] testing takepiyo/the_rust_programming_language against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftakepiyo%2Fthe_rust_programming_language" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/takepiyo/the_rust_programming_language
[INFO] finished tweaking git repo https://github.com/takepiyo/the_rust_programming_language
[INFO] tweaked toml for git repo https://github.com/takepiyo/the_rust_programming_language written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/takepiyo/the_rust_programming_language on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/takepiyo/the_rust_programming_language 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1b09a563dc45fe528f70f560d1585488a6a600a12da8a0d12144b112a93550b
[INFO] running `Command { std: "docker" "start" "-a" "c1b09a563dc45fe528f70f560d1585488a6a600a12da8a0d12144b112a93550b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b09a563dc45fe528f70f560d1585488a6a600a12da8a0d12144b112a93550b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b09a563dc45fe528f70f560d1585488a6a600a12da8a0d12144b112a93550b", kill_on_drop: false }`
[INFO] [stdout] c1b09a563dc45fe528f70f560d1585488a6a600a12da8a0d12144b112a93550b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2609ebff55765701428a2e4f883d32d759ecc43e117e626ff1dd3ad45b54b3d7
[INFO] running `Command { std: "docker" "start" "-a" "2609ebff55765701428a2e4f883d32d759ecc43e117e626ff1dd3ad45b54b3d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust_workspace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Alaska` is never constructed
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum UsState {
[INFO] [stdout]   |      ------- variant in this enum
[INFO] [stdout] 8 |     Alabama,
[INFO] [stdout] 9 |     Alaska,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UsState` 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: variants `Nickel` and `Dime` are never constructed
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 14 |     Penny,
[INFO] [stdout] 15 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     Dime,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Coin` 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 1.98s
[INFO] running `Command { std: "docker" "inspect" "2609ebff55765701428a2e4f883d32d759ecc43e117e626ff1dd3ad45b54b3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2609ebff55765701428a2e4f883d32d759ecc43e117e626ff1dd3ad45b54b3d7", kill_on_drop: false }`
[INFO] [stdout] 2609ebff55765701428a2e4f883d32d759ecc43e117e626ff1dd3ad45b54b3d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c45db7e720427cdf0f6e57df650869f219407005deea7280de917d35da44234f
[INFO] running `Command { std: "docker" "start" "-a" "c45db7e720427cdf0f6e57df650869f219407005deea7280de917d35da44234f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_workspace v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `Alaska` is never constructed
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum UsState {
[INFO] [stdout]   |      ------- variant in this enum
[INFO] [stdout] 8 |     Alabama,
[INFO] [stdout] 9 |     Alaska,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `UsState` 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: variants `Nickel` and `Dime` are never constructed
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Coin {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 14 |     Penny,
[INFO] [stdout] 15 |     Nickel,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 16 |     Dime,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Coin` 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 0.34s
[INFO] running `Command { std: "docker" "inspect" "c45db7e720427cdf0f6e57df650869f219407005deea7280de917d35da44234f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c45db7e720427cdf0f6e57df650869f219407005deea7280de917d35da44234f", kill_on_drop: false }`
[INFO] [stdout] c45db7e720427cdf0f6e57df650869f219407005deea7280de917d35da44234f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c42845d35c057eb7fee65c0f4bb54daa87da024fc4f4ef4bb7847aae9a75858b
[INFO] running `Command { std: "docker" "start" "-a" "c42845d35c057eb7fee65c0f4bb54daa87da024fc4f4ef4bb7847aae9a75858b", kill_on_drop: false }`
[INFO] [stderr] warning: variant `Alaska` is never constructed
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | enum UsState {
[INFO] [stderr]   |      ------- variant in this enum
[INFO] [stderr] 8 |     Alabama,
[INFO] [stderr] 9 |     Alaska,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `UsState` 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: variants `Nickel` and `Dime` are never constructed
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | enum Coin {
[INFO] [stderr]    |      ---- variants in this enum
[INFO] [stderr] 14 |     Penny,
[INFO] [stderr] 15 |     Nickel,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 16 |     Dime,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Coin` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_workspace` (bin "rust_workspace" test) generated 2 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/rust_workspace-b7c5d3026a24bf5f)
[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" "c42845d35c057eb7fee65c0f4bb54daa87da024fc4f4ef4bb7847aae9a75858b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c42845d35c057eb7fee65c0f4bb54daa87da024fc4f4ef4bb7847aae9a75858b", kill_on_drop: false }`
[INFO] [stdout] c42845d35c057eb7fee65c0f4bb54daa87da024fc4f4ef4bb7847aae9a75858b