[INFO] cloning repository https://github.com/bryanwongweiheng/metacamp-rust-course
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bryanwongweiheng/metacamp-rust-course" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanwongweiheng%2Fmetacamp-rust-course", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanwongweiheng%2Fmetacamp-rust-course'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7756b848c8b54258ff91483fe3bf4980b1179032
[INFO] checking bryanwongweiheng/metacamp-rust-course against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbryanwongweiheng%2Fmetacamp-rust-course" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/bryanwongweiheng/metacamp-rust-course
[INFO] finished tweaking git repo https://github.com/bryanwongweiheng/metacamp-rust-course
[INFO] tweaked toml for git repo https://github.com/bryanwongweiheng/metacamp-rust-course written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/bryanwongweiheng/metacamp-rust-course on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/bryanwongweiheng/metacamp-rust-course 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d392c10308642c85633322bcd3c5b6b31d7c6816933d95444901418ab88944f2
[INFO] running `Command { std: "docker" "start" "-a" "d392c10308642c85633322bcd3c5b6b31d7c6816933d95444901418ab88944f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d392c10308642c85633322bcd3c5b6b31d7c6816933d95444901418ab88944f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d392c10308642c85633322bcd3c5b6b31d7c6816933d95444901418ab88944f2", kill_on_drop: false }`
[INFO] [stdout] d392c10308642c85633322bcd3c5b6b31d7c6816933d95444901418ab88944f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5d7d34b29dac307d35dce50cf07e3e60b1434b69a2e68d4df91e35bde706af
[INFO] running `Command { std: "docker" "start" "-a" "4e5d7d34b29dac307d35dce50cf07e3e60b1434b69a2e68d4df91e35bde706af", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-cousre v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `griffin`
[INFO] [stdout]   --> src/exercise_2/main.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Creature::Griffin(griffin) => Creature::Griffin(Griffin{name: self.name(), magic_power: self.magic_power()}),
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_griffin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unicorn`
[INFO] [stdout]   --> src/exercise_2/main.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Creature::Unicorn(unicorn) => Creature::Unicorn(Unicorn{name: self.name(), magic_power: self.magic_power()}),
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unicorn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `griffin`
[INFO] [stdout]   --> src/exercise_2/main.rs:31:31
[INFO] [stdout]    |
[INFO] [stdout] 31 |             Creature::Griffin(griffin) => Creature::Griffin(Griffin{name: self.name(), magic_power: self.magic_power()}),
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_griffin`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `unicorn`
[INFO] [stdout]   --> src/exercise_2/main.rs:32:31
[INFO] [stdout]    |
[INFO] [stdout] 32 |             Creature::Unicorn(unicorn) => Creature::Unicorn(Unicorn{name: self.name(), magic_power: self.magic_power()}),
[INFO] [stdout]    |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_unicorn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/home_assignment_2/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Buyer {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Buyer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/home_assignment_2/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Buyer {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Buyer` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "4e5d7d34b29dac307d35dce50cf07e3e60b1434b69a2e68d4df91e35bde706af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5d7d34b29dac307d35dce50cf07e3e60b1434b69a2e68d4df91e35bde706af", kill_on_drop: false }`
[INFO] [stdout] 4e5d7d34b29dac307d35dce50cf07e3e60b1434b69a2e68d4df91e35bde706af
