[INFO] cloning repository https://github.com/MaHongYan22/homework
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaHongYan22/homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaHongYan22%2Fhomework", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaHongYan22%2Fhomework'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77bdae8b47eb3170517cb9bafe8dcbb4437a49b4
[INFO] checking MaHongYan22/homework against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaHongYan22%2Fhomework" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaHongYan22/homework on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaHongYan22/homework
[INFO] finished tweaking git repo https://github.com/MaHongYan22/homework
[INFO] tweaked toml for git repo https://github.com/MaHongYan22/homework written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MaHongYan22/homework 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "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 MaHongYan22/homework against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaHongYan22%2Fhomework" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaHongYan22/homework on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaHongYan22/homework
[INFO] finished tweaking git repo https://github.com/MaHongYan22/homework
[INFO] tweaked toml for git repo https://github.com/MaHongYan22/homework written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MaHongYan22/homework 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45238aa3656a9e639d4d2492d80c20d4d67a596e1a18f290e8d64db5907c35a6
[INFO] running `Command { std: "docker" "start" "-a" "45238aa3656a9e639d4d2492d80c20d4d67a596e1a18f290e8d64db5907c35a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45238aa3656a9e639d4d2492d80c20d4d67a596e1a18f290e8d64db5907c35a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45238aa3656a9e639d4d2492d80c20d4d67a596e1a18f290e8d64db5907c35a6", kill_on_drop: false }`
[INFO] [stdout] 45238aa3656a9e639d4d2492d80c20d4d67a596e1a18f290e8d64db5907c35a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d463ca700e3bd60ce740f75c063b2613bfbc445bdf56079afc2118c02d543ff
[INFO] running `Command { std: "docker" "start" "-a" "6d463ca700e3bd60ce740f75c063b2613bfbc445bdf56079afc2118c02d543ff", kill_on_drop: false }`
[INFO] [stderr]     Checking homework v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `areaType` should have an upper camel case name
[INFO] [stdout]  --> src/area.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait areaType {
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper camel case: `AreaType`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rectangle` should have an upper camel case name
[INFO] [stdout]  --> src/area.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct rectangle {
[INFO] [stdout]   |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Rectangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `areaType` should have an upper camel case name
[INFO] [stdout]  --> src/area.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub trait areaType {
[INFO] [stdout]   |           ^^^^^^^^ help: convert the identifier to upper camel case: `AreaType`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `squareBox` should have an upper camel case name
[INFO] [stdout]   --> src/area.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct squareBox {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `SquareBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `trafficLight` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum trafficLight {
[INFO] [stdout]   |      ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TrafficLight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `rectangle` should have an upper camel case name
[INFO] [stdout]  --> src/area.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct rectangle {
[INFO] [stdout]   |            ^^^^^^^^^ help: convert the identifier to upper camel case: `Rectangle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `squareBox` should have an upper camel case name
[INFO] [stdout]   --> src/area.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct squareBox {
[INFO] [stdout]    |            ^^^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `SquareBox`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `trafficLight` should have an upper camel case name
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum trafficLight {
[INFO] [stdout]   |      ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TrafficLight`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `trafficLight` is never used
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum trafficLight {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `trafficLight` is never used
[INFO] [stdout]  --> src/main.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum trafficLight {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Time` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait Time {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Time` is never used
[INFO] [stdout]  --> src/main.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | trait Time {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `squareBox1` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let squareBox1 = area::squareBox {
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `square_box1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `areaTypesPrint` should have a snake case name
[INFO] [stdout]  --> src/area.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn areaTypesPrint(&self);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `area_types_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `areaPrint` should have a snake case name
[INFO] [stdout]   --> src/area.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn areaPrint<T: areaType>(item: T) {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `area_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `squareBox1` should have a snake case name
[INFO] [stdout]   --> src/main.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let squareBox1 = area::squareBox {
[INFO] [stdout]    |         ^^^^^^^^^^ help: convert the identifier to snake case: `square_box1`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait method `areaTypesPrint` should have a snake case name
[INFO] [stdout]  --> src/area.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fn areaTypesPrint(&self);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `area_types_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `areaPrint` should have a snake case name
[INFO] [stdout]   --> src/area.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub fn areaPrint<T: areaType>(item: T) {
[INFO] [stdout]    |        ^^^^^^^^^ help: convert the identifier to snake case: `area_print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "6d463ca700e3bd60ce740f75c063b2613bfbc445bdf56079afc2118c02d543ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d463ca700e3bd60ce740f75c063b2613bfbc445bdf56079afc2118c02d543ff", kill_on_drop: false }`
[INFO] [stdout] 6d463ca700e3bd60ce740f75c063b2613bfbc445bdf56079afc2118c02d543ff