[INFO] cloning repository https://github.com/paragrammer/cis1950-hw02
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paragrammer/cis1950-hw02" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparagrammer%2Fcis1950-hw02", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparagrammer%2Fcis1950-hw02'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d1ba22696d9d3260d47cd9d45422d2594e0f57ba
[INFO] checking paragrammer/cis1950-hw02 against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparagrammer%2Fcis1950-hw02" "/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/paragrammer/cis1950-hw02
[INFO] finished tweaking git repo https://github.com/paragrammer/cis1950-hw02
[INFO] tweaked toml for git repo https://github.com/paragrammer/cis1950-hw02 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paragrammer/cis1950-hw02 on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/paragrammer/cis1950-hw02 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking paragrammer/cis1950-hw02 against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparagrammer%2Fcis1950-hw02" "/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/paragrammer/cis1950-hw02
[INFO] finished tweaking git repo https://github.com/paragrammer/cis1950-hw02
[INFO] tweaked toml for git repo https://github.com/paragrammer/cis1950-hw02 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/paragrammer/cis1950-hw02 on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/paragrammer/cis1950-hw02 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a436e333ddc9056dae6e01867de916c83c4c5c9abc86b0bf67b39e8bf6b8ee1
[INFO] running `Command { std: "docker" "start" "-a" "3a436e333ddc9056dae6e01867de916c83c4c5c9abc86b0bf67b39e8bf6b8ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a436e333ddc9056dae6e01867de916c83c4c5c9abc86b0bf67b39e8bf6b8ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a436e333ddc9056dae6e01867de916c83c4c5c9abc86b0bf67b39e8bf6b8ee1", kill_on_drop: false }`
[INFO] [stdout] 3a436e333ddc9056dae6e01867de916c83c4c5c9abc86b0bf67b39e8bf6b8ee1
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce20b6d6478458bf730059ee476a7e2e0a6ec9c762411c96dc98fa64722ee28d
[INFO] running `Command { std: "docker" "start" "-a" "ce20b6d6478458bf730059ee476a7e2e0a6ec9c762411c96dc98fa64722ee28d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.159
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking links v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Equal`, `Greater`, and `Less`
[INFO] [stdout]  --> src/tree.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ordering::{Equal, Greater, Less};
[INFO] [stdout]   |                          ^^^^^  ^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Equal`, `Greater`, and `Less`
[INFO] [stdout]  --> src/tree.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::cmp::Ordering::{Equal, Greater, Less};
[INFO] [stdout]   |                          ^^^^^  ^^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> tests/test_list.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Num(i32);
[INFO] [stdout]   |        --- ^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PartialEqNum` is never constructed
[INFO] [stdout]   --> tests/test_list.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct PartialEqNum(i32);
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EqNum` is never constructed
[INFO] [stdout]   --> tests/test_list.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct EqNum(i32);
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DisplayNum` is never constructed
[INFO] [stdout]   --> tests/test_list.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct DisplayNum(i32);
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Num` is never constructed
[INFO] [stdout]   --> tests/test_tree.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | struct Num(i32);
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[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 1.23s
[INFO] running `Command { std: "docker" "inspect" "ce20b6d6478458bf730059ee476a7e2e0a6ec9c762411c96dc98fa64722ee28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce20b6d6478458bf730059ee476a7e2e0a6ec9c762411c96dc98fa64722ee28d", kill_on_drop: false }`
[INFO] [stdout] ce20b6d6478458bf730059ee476a7e2e0a6ec9c762411c96dc98fa64722ee28d
