[INFO] fetching crate tectonic_errors 0.2.1...
[INFO] building tectonic_errors-0.2.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tectonic_errors 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate tectonic_errors 0.2.1
[INFO] finished tweaking crates.io crate tectonic_errors 0.2.1
[INFO] tweaked toml for crates.io crate tectonic_errors 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tectonic_errors 0.2.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00e6c66a1cace04ea9caa52138f7b7895acf47dddecf0ece9b19875dfb0dd784
[INFO] running `Command { std: "docker" "start" "-a" "00e6c66a1cace04ea9caa52138f7b7895acf47dddecf0ece9b19875dfb0dd784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e6c66a1cace04ea9caa52138f7b7895acf47dddecf0ece9b19875dfb0dd784", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e6c66a1cace04ea9caa52138f7b7895acf47dddecf0ece9b19875dfb0dd784", kill_on_drop: false }`
[INFO] [stdout] 00e6c66a1cace04ea9caa52138f7b7895acf47dddecf0ece9b19875dfb0dd784
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa3cb22ffb80383ab82216023eeaf9083fff25b99098ca74d116aa2e071f143d
[INFO] running `Command { std: "docker" "start" "-a" "fa3cb22ffb80383ab82216023eeaf9083fff25b99098ca74d116aa2e071f143d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tectonic_errors v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "fa3cb22ffb80383ab82216023eeaf9083fff25b99098ca74d116aa2e071f143d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3cb22ffb80383ab82216023eeaf9083fff25b99098ca74d116aa2e071f143d", kill_on_drop: false }`
[INFO] [stdout] fa3cb22ffb80383ab82216023eeaf9083fff25b99098ca74d116aa2e071f143d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63cab13317ef72499f338dbe5bd19d8c436bb2dc7504181c0c7295de5ad53887
[INFO] running `Command { std: "docker" "start" "-a" "63cab13317ef72499f338dbe5bd19d8c436bb2dc7504181c0c7295de5ad53887", kill_on_drop: false }`
[INFO] [stderr]    Compiling tectonic_errors v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `$crate::atry`
[INFO] [stdout]    --> src/lib.rs:131:13
[INFO] [stdout]     |
[INFO] [stdout] 131 |           use $crate::atry;
[INFO] [stdout]     |               ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | /         a_ok_or!(
[INFO] [stdout] 187 | |             fine;
[INFO] [stdout] 188 | |             ["message {}", display]
[INFO] [stdout] 189 | |             (note "but what about {}", display)
[INFO] [stdout] 190 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `a_ok_or` (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 0.73s
[INFO] running `Command { std: "docker" "inspect" "63cab13317ef72499f338dbe5bd19d8c436bb2dc7504181c0c7295de5ad53887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63cab13317ef72499f338dbe5bd19d8c436bb2dc7504181c0c7295de5ad53887", kill_on_drop: false }`
[INFO] [stdout] 63cab13317ef72499f338dbe5bd19d8c436bb2dc7504181c0c7295de5ad53887