[INFO] cloning repository https://github.com/dfockler/pathtracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dfockler/pathtracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fpathtracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fpathtracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f96e8af5b43886bcc5ecc04a98c064450ba8c898
[INFO] checking dfockler/pathtracer against master#e1ac0fa95ba15221ee195647cb12464df3164513 for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fpathtracer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dfockler/pathtracer on toolchain e1ac0fa95ba15221ee195647cb12464df3164513
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e1ac0fa95ba15221ee195647cb12464df3164513" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dfockler/pathtracer
[INFO] finished tweaking git repo https://github.com/dfockler/pathtracer
[INFO] tweaked toml for git repo https://github.com/dfockler/pathtracer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dfockler/pathtracer 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" "+e1ac0fa95ba15221ee195647cb12464df3164513" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking dfockler/pathtracer against try#09fa13185567a1d9c37905d6a4a2ea56e7f44efc for pr-126090
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdfockler%2Fpathtracer" "/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/dfockler/pathtracer on toolchain 09fa13185567a1d9c37905d6a4a2ea56e7f44efc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dfockler/pathtracer
[INFO] finished tweaking git repo https://github.com/dfockler/pathtracer
[INFO] tweaked toml for git repo https://github.com/dfockler/pathtracer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dfockler/pathtracer 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" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "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 image v0.21.2
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded num-rational v0.2.2
[INFO] [stderr]   Downloaded tiff v0.2.2
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded jpeg-decoder v0.1.15
[INFO] [stderr]   Downloaded inflate v0.4.5
[INFO] [stderr]   Downloaded syn v0.15.38
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded png v0.14.1
[INFO] [stderr]   Downloaded gif v0.10.2
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85aa4d0cd356fe541fa81162da917d53f25eaeab82290c605b3ed240320f0a24
[INFO] running `Command { std: "docker" "start" "-a" "85aa4d0cd356fe541fa81162da917d53f25eaeab82290c605b3ed240320f0a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85aa4d0cd356fe541fa81162da917d53f25eaeab82290c605b3ed240320f0a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85aa4d0cd356fe541fa81162da917d53f25eaeab82290c605b3ed240320f0a24", kill_on_drop: false }`
[INFO] [stdout] 85aa4d0cd356fe541fa81162da917d53f25eaeab82290c605b3ed240320f0a24
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09fa13185567a1d9c37905d6a4a2ea56e7f44efc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9428c0122be508d5ac764e60ea38e1677a134a2a21d389891e81f322306a1478
[INFO] running `Command { std: "docker" "start" "-a" "9428c0122be508d5ac764e60ea38e1677a134a2a21d389891e81f322306a1478", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling syn v0.15.38
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking pathtracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dist`
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let dist = start.dist(&end);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_dist`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dist`
[INFO] [stdout]   --> src/main.rs:29:13
[INFO] [stdout]    |
[INFO] [stdout] 29 |         let dist = start.dist(&end);
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_dist`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PI` is never used
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const PI: u8 = 3;
[INFO] [stdout]   |       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reflectance` and `color` are never read
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 96  | struct Sphere {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     reflectance: [u8; 4],
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 101 |     color: [u8; 4],
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Sphere` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add` and `cross` are never used
[INFO] [stdout]    --> src/main.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Vector {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn add(&self, other: &Vector) -> Vector {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn cross(&self, other: &Vector) -> Vector {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Light` is never constructed
[INFO] [stdout]    --> src/main.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct Light {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PI` is never used
[INFO] [stdout]  --> src/main.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | const PI: u8 = 3;
[INFO] [stdout]   |       ^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `reflectance` and `color` are never read
[INFO] [stdout]    --> src/main.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 96  | struct Sphere {
[INFO] [stdout]     |        ------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 100 |     reflectance: [u8; 4],
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] 101 |     color: [u8; 4],
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Sphere` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add` and `cross` are never used
[INFO] [stdout]    --> src/main.rs:155:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | impl Vector {
[INFO] [stdout]     | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 155 |     fn add(&self, other: &Vector) -> Vector {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn cross(&self, other: &Vector) -> Vector {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Light` is never constructed
[INFO] [stdout]    --> src/main.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | struct Light {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s
[INFO] running `Command { std: "docker" "inspect" "9428c0122be508d5ac764e60ea38e1677a134a2a21d389891e81f322306a1478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9428c0122be508d5ac764e60ea38e1677a134a2a21d389891e81f322306a1478", kill_on_drop: false }`
[INFO] [stdout] 9428c0122be508d5ac764e60ea38e1677a134a2a21d389891e81f322306a1478