[INFO] fetching crate mash 1.0.1...
[INFO] checking mash-1.0.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate mash 1.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate mash 1.0.1 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mash 1.0.1
[INFO] finished tweaking crates.io crate mash 1.0.1
[INFO] tweaked toml for crates.io crate mash 1.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate mash 1.0.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tobj v2.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04e277a87d3921d76d81c08eb8654d942cb8962edd7fc989193f4663ddd41c91
[INFO] running `Command { std: "docker" "start" "-a" "04e277a87d3921d76d81c08eb8654d942cb8962edd7fc989193f4663ddd41c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04e277a87d3921d76d81c08eb8654d942cb8962edd7fc989193f4663ddd41c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e277a87d3921d76d81c08eb8654d942cb8962edd7fc989193f4663ddd41c91", kill_on_drop: false }`
[INFO] [stdout] 04e277a87d3921d76d81c08eb8654d942cb8962edd7fc989193f4663ddd41c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b72d07b86fdfee7152f5be23bea152d5e0df98f343c289b4817e66f3a00a893
[INFO] running `Command { std: "docker" "start" "-a" "4b72d07b86fdfee7152f5be23bea152d5e0df98f343c289b4817e66f3a00a893", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking tobj v2.0.3
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking mash v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tobj` is imported redundantly
[INFO] [stdout]   --> src/load/wavefront.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use tobj;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate tobj;
[INFO] [stdout]    | ------------------ the item `tobj` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/index.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already imported by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tobj` is imported redundantly
[INFO] [stdout]   --> src/load/wavefront.rs:4:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | use tobj;
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:52:1
[INFO] [stdout]    |
[INFO] [stdout] 52 | extern crate tobj;
[INFO] [stdout]    | ------------------ the item `tobj` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Model` is imported redundantly
[INFO] [stdout]    --> src/load/wavefront.rs:226:10
[INFO] [stdout]     |
[INFO] [stdout] 225 |     use super::*;
[INFO] [stdout]     |         -------- the item `Model` is already imported here
[INFO] [stdout] 226 |     use {Model, Vector};
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vector` is imported redundantly
[INFO] [stdout]    --> src/load/wavefront.rs:226:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |     use super::*;
[INFO] [stdout]     |         -------- the item `Vector` is already imported here
[INFO] [stdout] 226 |     use {Model, Vector};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]    --> src/load/wavefront.rs:227:9
[INFO] [stdout]     |
[INFO] [stdout] 225 |     use super::*;
[INFO] [stdout]     |         -------- the item `Path` is already imported here
[INFO] [stdout] 226 |     use {Model, Vector};
[INFO] [stdout] 227 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vertex_count` and `index_count` are never read
[INFO] [stdout]   --> src/model.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |         struct TriangularMesh {
[INFO] [stdout]    |                -------------- fields in this struct
[INFO] [stdout] 57 |             pub vertex_count: usize,
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] 58 |             pub index_count: usize,
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TriangularMesh` 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `vertex_count` and `index_count` are never read
[INFO] [stdout]   --> src/model.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 56 |         struct TriangularMesh {
[INFO] [stdout]    |                -------------- fields in this struct
[INFO] [stdout] 57 |             pub vertex_count: usize,
[INFO] [stdout]    |                 ^^^^^^^^^^^^
[INFO] [stdout] 58 |             pub index_count: usize,
[INFO] [stdout]    |                 ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TriangularMesh` 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: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.65s
[INFO] running `Command { std: "docker" "inspect" "4b72d07b86fdfee7152f5be23bea152d5e0df98f343c289b4817e66f3a00a893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b72d07b86fdfee7152f5be23bea152d5e0df98f343c289b4817e66f3a00a893", kill_on_drop: false }`
[INFO] [stdout] 4b72d07b86fdfee7152f5be23bea152d5e0df98f343c289b4817e66f3a00a893