[INFO] cloning repository https://github.com/haolipeng/rust_everyday_practise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haolipeng/rust_everyday_practise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaolipeng%2Frust_everyday_practise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaolipeng%2Frust_everyday_practise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0811b64d95741054e1d2179ef1f447dd79859eb
[INFO] checking haolipeng/rust_everyday_practise against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaolipeng%2Frust_everyday_practise" "/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/haolipeng/rust_everyday_practise
[INFO] finished tweaking git repo https://github.com/haolipeng/rust_everyday_practise
[INFO] tweaked toml for git repo https://github.com/haolipeng/rust_everyday_practise written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/haolipeng/rust_everyday_practise on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haolipeng/rust_everyday_practise 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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking haolipeng/rust_everyday_practise against try#39605810efb1a0d52f955bfba9e4eec7a01d5deb for pr-153692
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaolipeng%2Frust_everyday_practise" "/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/haolipeng/rust_everyday_practise
[INFO] finished tweaking git repo https://github.com/haolipeng/rust_everyday_practise
[INFO] tweaked toml for git repo https://github.com/haolipeng/rust_everyday_practise written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/haolipeng/rust_everyday_practise on toolchain 39605810efb1a0d52f955bfba9e4eec7a01d5deb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/haolipeng/rust_everyday_practise 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" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd77d62172ae1b7b6794129cc162f2b1127f61b14aa2e3a7eabfd493c73558fa
[INFO] running `Command { std: "docker" "start" "-a" "bd77d62172ae1b7b6794129cc162f2b1127f61b14aa2e3a7eabfd493c73558fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd77d62172ae1b7b6794129cc162f2b1127f61b14aa2e3a7eabfd493c73558fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd77d62172ae1b7b6794129cc162f2b1127f61b14aa2e3a7eabfd493c73558fa", kill_on_drop: false }`
[INFO] [stdout] bd77d62172ae1b7b6794129cc162f2b1127f61b14aa2e3a7eabfd493c73558fa
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+39605810efb1a0d52f955bfba9e4eec7a01d5deb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd92e43d4fac3aa57d03d5d5d471afa2041f9a3b8ecc591b8f2dd40dd1a79e4a
[INFO] running `Command { std: "docker" "start" "-a" "dd92e43d4fac3aa57d03d5d5d471afa2041f9a3b8ecc591b8f2dd40dd1a79e4a", kill_on_drop: false }`
[INFO] [stderr]     Checking borrow_lifecycle v0.1.0 (/opt/rustwide/workdir/lesson2-borrow-lifecycle)
[INFO] [stderr]     Checking error_and_collections v0.1.0 (/opt/rustwide/workdir/error_and_collections)
[INFO] [stderr]     Checking lesson5-trait v0.1.0 (/opt/rustwide/workdir/lesson5-trait)
[INFO] [stderr]     Checking lesson7-closure v0.1.0 (/opt/rustwide/workdir/lesson7-closure)
[INFO] [stderr]     Checking lesson3-struct-enum-option-result v0.1.0 (/opt/rustwide/workdir/lesson3-struct-enum-option-result)
[INFO] [stderr]     Checking lesson8-iterator v0.1.0 (/opt/rustwide/workdir/lesson8-iterator)
[INFO] [stderr]     Checking borrow_demo v0.1.0 (/opt/rustwide/workdir/lesson1-borrow-basic)
[INFO] [stderr]     Checking lesson4-pattern_match v0.1.0 (/opt/rustwide/workdir/lesson4-pattern_match)
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling tokio-macros v2.6.1
[INFO] [stderr]     Checking lesson9-module v0.1.0 (/opt/rustwide/workdir/lesson9-module)
[INFO] [stdout] warning: variants `Down`, `Left`, and `Right` are never constructed
[INFO] [stdout]  --> lesson3-struct-enum-option-result/src/enum_basics.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Direction {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 3 |     Up,
[INFO] [stdout] 4 |     Down,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     Right,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Down`, `Left`, and `Right` are never constructed
[INFO] [stdout]  --> lesson3-struct-enum-option-result/src/enum_basics.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Direction {
[INFO] [stdout]   |      --------- variants in this enum
[INFO] [stdout] 3 |     Up,
[INFO] [stdout] 4 |     Down,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     Left,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     Right,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]     Checking tokio v1.50.0
[INFO] [stderr]     Checking lesson6-async v0.1.0 (/opt/rustwide/workdir/lesson6-async)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.67s
[INFO] running `Command { std: "docker" "inspect" "dd92e43d4fac3aa57d03d5d5d471afa2041f9a3b8ecc591b8f2dd40dd1a79e4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd92e43d4fac3aa57d03d5d5d471afa2041f9a3b8ecc591b8f2dd40dd1a79e4a", kill_on_drop: false }`
[INFO] [stdout] dd92e43d4fac3aa57d03d5d5d471afa2041f9a3b8ecc591b8f2dd40dd1a79e4a