[INFO] fetching crate rs_pbrt 0.9.2...
[INFO] checking rs_pbrt-0.9.2 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate rs_pbrt 0.9.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rs_pbrt 0.9.2 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rs_pbrt 0.9.2
[INFO] finished tweaking crates.io crate rs_pbrt 0.9.2
[INFO] tweaked toml for crates.io crate rs_pbrt 0.9.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate rs_pbrt 0.9.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded opaque-debug v0.2.2
[INFO] [stderr]   Downloaded strum v0.21.0
[INFO] [stderr]   Downloaded atomic v0.5.0
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[INFO] [stderr]   Downloaded ucd-trie v0.1.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 808824c271e2d8f6295ab81fe3260bb14354067c521de3e1e989f497315cdc82
[INFO] running `Command { std: "docker" "start" "-a" "808824c271e2d8f6295ab81fe3260bb14354067c521de3e1e989f497315cdc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "808824c271e2d8f6295ab81fe3260bb14354067c521de3e1e989f497315cdc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808824c271e2d8f6295ab81fe3260bb14354067c521de3e1e989f497315cdc82", kill_on_drop: false }`
[INFO] [stdout] 808824c271e2d8f6295ab81fe3260bb14354067c521de3e1e989f497315cdc82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec177a586ac019946a59e4b40b00bded4a2ba52cc448da74c96c0d893e7d68ea
[INFO] running `Command { std: "docker" "start" "-a" "ec177a586ac019946a59e4b40b00bded4a2ba52cc448da74c96c0d893e7d68ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling rayon-core v1.9.0
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[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
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[INFO] [stderr]     Checking adler32 v1.2.0
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[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking pbr v1.0.4
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[INFO] [stderr]     Checking num v0.4.0
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[INFO] [stderr]    Compiling hexf v0.2.1
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling ply-rs v0.1.3
[INFO] [stderr]     Checking rs_pbrt v0.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> src/core/reflection.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 count -= 1_i8;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `count` is never read
[INFO] [stdout]    --> src/core/reflection.rs:327:17
[INFO] [stdout]     |
[INFO] [stdout] 327 |                 count -= 1_i8;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[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 [unoptimized + debuginfo] target(s) in 28.58s
[INFO] running `Command { std: "docker" "inspect" "ec177a586ac019946a59e4b40b00bded4a2ba52cc448da74c96c0d893e7d68ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec177a586ac019946a59e4b40b00bded4a2ba52cc448da74c96c0d893e7d68ea", kill_on_drop: false }`
[INFO] [stdout] ec177a586ac019946a59e4b40b00bded4a2ba52cc448da74c96c0d893e7d68ea