[INFO] fetching crate sightglass 0.1.0...
[INFO] checking sightglass-0.1.0 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate sightglass 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate sightglass 0.1.0 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sightglass 0.1.0
[INFO] finished tweaking crates.io crate sightglass 0.1.0
[INFO] tweaked toml for crates.io crate sightglass 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded core_affinity v0.5.10
[INFO] [stderr]   Downloaded xfailure v0.1.0
[INFO] [stderr]   Downloaded scroll_derive v0.9.5
[INFO] [stderr]   Downloaded precision v0.1.16
[INFO] [stderr]   Downloaded scroll v0.9.2
[INFO] [stderr]   Downloaded printtable v0.1.0
[INFO] [stderr]   Downloaded goblin v0.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08d87efcccfab5dfc92d4151f52076483282bbc4222db133ab4ed32f308d788d
[INFO] running `Command { std: "docker" "start" "-a" "08d87efcccfab5dfc92d4151f52076483282bbc4222db133ab4ed32f308d788d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08d87efcccfab5dfc92d4151f52076483282bbc4222db133ab4ed32f308d788d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d87efcccfab5dfc92d4151f52076483282bbc4222db133ab4ed32f308d788d", kill_on_drop: false }`
[INFO] [stdout] 08d87efcccfab5dfc92d4151f52076483282bbc4222db133ab4ed32f308d788d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15e962015a3fe15066e46db5825076572b9179646bbbb450e882753c0da36506
[INFO] running `Command { std: "docker" "start" "-a" "15e962015a3fe15066e46db5825076572b9179646bbbb450e882753c0da36506", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.21
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking core_affinity v0.5.10
[INFO] [stderr]     Checking xfailure v0.1.0
[INFO] [stderr]    Compiling scroll_derive v0.9.5
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking printtable v0.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling scroll v0.9.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling precision v0.1.16
[INFO] [stderr]     Checking goblin v0.0.24
[INFO] [stderr]     Checking backtrace v0.3.69
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking sightglass v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `precision` is never read
[INFO] [stdout]   --> src/bench.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct TestBodiesBench {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 84 |     precision: Precision,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestBodiesBench` has a derived impl for the trait `Clone`, 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: field `precision` is never read
[INFO] [stdout]   --> src/bench.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 83 | struct TestBodiesBench {
[INFO] [stdout]    |        --------------- field in this struct
[INFO] [stdout] 84 |     precision: Precision,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TestBodiesBench` has a derived impl for the trait `Clone`, 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 [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "15e962015a3fe15066e46db5825076572b9179646bbbb450e882753c0da36506", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15e962015a3fe15066e46db5825076572b9179646bbbb450e882753c0da36506", kill_on_drop: false }`
[INFO] [stdout] 15e962015a3fe15066e46db5825076572b9179646bbbb450e882753c0da36506