[INFO] updating cached repository https://github.com/wahn/rs_pbrt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/wahn/rs_pbrt
[INFO] [stderr]  - [deleted]         (none)     -> make_integrator
[INFO] [stderr]  - [deleted]         (none)     -> performance
[INFO] [stderr]    04d77a8..8196357  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 819635771bfc6704245524bb7fe296d94bee5cb7
[INFO] checking wahn/rs_pbrt against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwahn%2Frs_pbrt" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/wahn/rs_pbrt on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wahn/rs_pbrt
[INFO] finished tweaking git repo https://github.com/wahn/rs_pbrt
[INFO] tweaked toml for git repo https://github.com/wahn/rs_pbrt written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/wahn/rs_pbrt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1494d85201438fdd1b04e2ee1eaab83bf0186c079947e2fa8cd5a409d6385de6
[INFO] running `"docker" "start" "-a" "1494d85201438fdd1b04e2ee1eaab83bf0186c079947e2fa8cd5a409d6385de6"`
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.3.3
[INFO] [stderr]    Compiling hexf-parse v0.1.0
[INFO] [stderr]     Checking atomic v0.4.5
[INFO] [stderr]     Checking typed-arena v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling walkdir v2.2.8
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking png v0.15.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.3.3
[INFO] [stderr]    Compiling hexf-impl v0.1.0
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking atty v0.2.12
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking hexf v0.1.0
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking num-complex v0.2.3
[INFO] [stderr]     Checking pbr v1.0.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking num-iter v0.1.39
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.4
[INFO] [stderr]     Checking num-rational v0.2.2
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling structopt-derive v0.3.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]     Checking rayon-core v1.5.0
[INFO] [stderr]     Checking crossbeam v0.7.2
[INFO] [stderr]     Checking structopt v0.3.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]    Compiling ply-rs v0.1.2
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking pbrt v0.7.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `count` is never read
[INFO] [stderr]    --> src/core/reflection.rs:333:17
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 count -= 1_i8;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `count` is never read
[INFO] [stderr]    --> src/core/reflection.rs:333:17
[INFO] [stderr]     |
[INFO] [stderr] 333 |                 count -= 1_i8;
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/cameras/realistic.rs:529:36
[INFO] [stderr]     |
[INFO] [stderr] 529 |         for scale in scale_factors.into_iter() {
[INFO] [stderr]     |                                    ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr] warning: this method call currently resolves to `<&[T; N] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stderr]    --> src/cameras/realistic.rs:529:36
[INFO] [stderr]     |
[INFO] [stderr] 529 |         for scale in scale_factors.into_iter() {
[INFO] [stderr]     |                                    ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(array_into_iter)]` on by default
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] running `"docker" "inspect" "1494d85201438fdd1b04e2ee1eaab83bf0186c079947e2fa8cd5a409d6385de6"`
[INFO] running `"docker" "rm" "-f" "1494d85201438fdd1b04e2ee1eaab83bf0186c079947e2fa8cd5a409d6385de6"`
[INFO] [stdout] 1494d85201438fdd1b04e2ee1eaab83bf0186c079947e2fa8cd5a409d6385de6