[INFO] fetching crate typeface 0.5.0...
[INFO] building typeface-0.5.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate typeface 0.5.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate typeface 0.5.0
[INFO] finished tweaking crates.io crate typeface 0.5.0
[INFO] tweaked toml for crates.io crate typeface 0.5.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate typeface 0.5.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate typeface 0.5.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52da3e0afcec5d1014445d070e468f7114b69505873da951360508419dc18c71
[INFO] running `Command { std: "docker" "start" "-a" "52da3e0afcec5d1014445d070e468f7114b69505873da951360508419dc18c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52da3e0afcec5d1014445d070e468f7114b69505873da951360508419dc18c71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52da3e0afcec5d1014445d070e468f7114b69505873da951360508419dc18c71", kill_on_drop: false }`
[INFO] [stdout] 52da3e0afcec5d1014445d070e468f7114b69505873da951360508419dc18c71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20abeddb4f2012872e1f2e6db5ad04a741e787e47a457a912243c9eef83334ce
[INFO] running `Command { std: "docker" "start" "-a" "20abeddb4f2012872e1f2e6db5ad04a741e787e47a457a912243c9eef83334ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling typeface v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "20abeddb4f2012872e1f2e6db5ad04a741e787e47a457a912243c9eef83334ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20abeddb4f2012872e1f2e6db5ad04a741e787e47a457a912243c9eef83334ce", kill_on_drop: false }`
[INFO] [stdout] 20abeddb4f2012872e1f2e6db5ad04a741e787e47a457a912243c9eef83334ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f19a6b91b6de67c6bafeb7d8ab6bb19eed470a31a2d936fe480d865a6996f80
[INFO] running `Command { std: "docker" "start" "-a" "5f19a6b91b6de67c6bafeb7d8ab6bb19eed470a31a2d936fe480d865a6996f80", kill_on_drop: false }`
[INFO] [stderr]    Compiling typeface v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Read` is never constructed
[INFO] [stdout]    --> src/macros.rs:581:13
[INFO] [stdout]     |
[INFO] [stdout] 581 |         pub Read {
[INFO] [stdout]     |             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `table` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadWithPosition` is never constructed
[INFO] [stdout]    --> src/macros.rs:597:13
[INFO] [stdout]     |
[INFO] [stdout] 597 |         pub ReadWithPosition {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `table` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadWithPositionAndWrite` is never constructed
[INFO] [stdout]    --> src/macros.rs:614:13
[INFO] [stdout]     |
[INFO] [stdout] 614 |         pub ReadWithPositionAndWrite {
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `table` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadAndWrite` is never constructed
[INFO] [stdout]    --> src/macros.rs:630:13
[INFO] [stdout]     |
[INFO] [stdout] 630 |         pub ReadAndWrite {
[INFO] [stdout]     |             ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `table` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "5f19a6b91b6de67c6bafeb7d8ab6bb19eed470a31a2d936fe480d865a6996f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f19a6b91b6de67c6bafeb7d8ab6bb19eed470a31a2d936fe480d865a6996f80", kill_on_drop: false }`
[INFO] [stdout] 5f19a6b91b6de67c6bafeb7d8ab6bb19eed470a31a2d936fe480d865a6996f80