[INFO] fetching crate gox 0.4.0...
[INFO] checking gox-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate gox 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate gox 0.4.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gox 0.4.0
[INFO] finished tweaking crates.io crate gox 0.4.0
[INFO] tweaked toml for crates.io crate gox 0.4.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate gox 0.4.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e40e94f1d988e19a99e481736afbd1b753c6977910c652101c904279ceeb0a70
[INFO] running `Command { std: "docker" "start" "-a" "e40e94f1d988e19a99e481736afbd1b753c6977910c652101c904279ceeb0a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e40e94f1d988e19a99e481736afbd1b753c6977910c652101c904279ceeb0a70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40e94f1d988e19a99e481736afbd1b753c6977910c652101c904279ceeb0a70", kill_on_drop: false }`
[INFO] [stdout] e40e94f1d988e19a99e481736afbd1b753c6977910c652101c904279ceeb0a70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a20f9c0c259449bfa225df4b506e33d5bb8cec6a737d57444af27dd5e97f46
[INFO] running `Command { std: "docker" "start" "-a" "a1a20f9c0c259449bfa225df4b506e33d5bb8cec6a737d57444af27dd5e97f46", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking gox v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `dist`, `rot`, `offset`, and `ortho` are never read
[INFO] [stdout]  --> src/camera.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |   name: String,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 6 |   dist: f32,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 |   rot: [[f32; 4]; 4],
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 8 |   offset: i32,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 9 |   ortho: bool,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Camera` 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: fields `name`, `dist`, `rot`, `offset`, and `ortho` are never read
[INFO] [stdout]  --> src/camera.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |   name: String,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 6 |   dist: f32,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 |   rot: [[f32; 4]; 4],
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 8 |   offset: i32,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 9 |   ortho: bool,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Camera` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `Command { std: "docker" "inspect" "a1a20f9c0c259449bfa225df4b506e33d5bb8cec6a737d57444af27dd5e97f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a20f9c0c259449bfa225df4b506e33d5bb8cec6a737d57444af27dd5e97f46", kill_on_drop: false }`
[INFO] [stdout] a1a20f9c0c259449bfa225df4b506e33d5bb8cec6a737d57444af27dd5e97f46
[INFO] checking gox-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate gox 0.4.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate gox 0.4.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gox 0.4.0
[INFO] finished tweaking crates.io crate gox 0.4.0
[INFO] tweaked toml for crates.io crate gox 0.4.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate gox 0.4.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3626a2cf8be767608823854b8d04f8e99d4e412ce1b84fbd754a4319471d08a
[INFO] running `Command { std: "docker" "start" "-a" "f3626a2cf8be767608823854b8d04f8e99d4e412ce1b84fbd754a4319471d08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3626a2cf8be767608823854b8d04f8e99d4e412ce1b84fbd754a4319471d08a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3626a2cf8be767608823854b8d04f8e99d4e412ce1b84fbd754a4319471d08a", kill_on_drop: false }`
[INFO] [stdout] f3626a2cf8be767608823854b8d04f8e99d4e412ce1b84fbd754a4319471d08a
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2aed39fafa4e0b75acb674d706e040f57714bbea25ca422346ae56e5854f8031
[INFO] running `Command { std: "docker" "start" "-a" "2aed39fafa4e0b75acb674d706e040f57714bbea25ca422346ae56e5854f8031", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking gox v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name`, `dist`, `rot`, `offset`, and `ortho` are never read
[INFO] [stdout]  --> src/camera.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |   name: String,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 6 |   dist: f32,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 |   rot: [[f32; 4]; 4],
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 8 |   offset: i32,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 9 |   ortho: bool,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Camera` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `dist`, `rot`, `offset`, and `ortho` are never read
[INFO] [stdout]  --> src/camera.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Camera {
[INFO] [stdout]   |            ------ fields in this struct
[INFO] [stdout] 5 |   name: String,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 6 |   dist: f32,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 7 |   rot: [[f32; 4]; 4],
[INFO] [stdout]   |   ^^^
[INFO] [stdout] 8 |   offset: i32,
[INFO] [stdout]   |   ^^^^^^
[INFO] [stdout] 9 |   ortho: bool,
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Camera` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "2aed39fafa4e0b75acb674d706e040f57714bbea25ca422346ae56e5854f8031", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aed39fafa4e0b75acb674d706e040f57714bbea25ca422346ae56e5854f8031", kill_on_drop: false }`
[INFO] [stdout] 2aed39fafa4e0b75acb674d706e040f57714bbea25ca422346ae56e5854f8031