[INFO] fetching crate tectonic_io_base 0.1.0...
[INFO] checking tectonic_io_base-0.1.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate tectonic_io_base 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tectonic_io_base 0.1.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tectonic_io_base 0.1.0
[INFO] finished tweaking crates.io crate tectonic_io_base 0.1.0
[INFO] tweaked toml for crates.io crate tectonic_io_base 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tectonic_status_base v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef13465a30e346526185b563226322910f700c3fac7755067a0dc8b8e7a38848
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ef13465a30e346526185b563226322910f700c3fac7755067a0dc8b8e7a38848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef13465a30e346526185b563226322910f700c3fac7755067a0dc8b8e7a38848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef13465a30e346526185b563226322910f700c3fac7755067a0dc8b8e7a38848", kill_on_drop: false }`
[INFO] [stdout] ef13465a30e346526185b563226322910f700c3fac7755067a0dc8b8e7a38848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8902363ed00bfc92237dba6af8ee615aa679018c7cbe7b69175e54566d866e94
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8902363ed00bfc92237dba6af8ee615aa679018c7cbe7b69175e54566d866e94", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking tectonic_errors v0.1.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking tectonic_status_base v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tectonic_io_base v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.49s
[INFO] running `Command { std: "docker" "inspect" "8902363ed00bfc92237dba6af8ee615aa679018c7cbe7b69175e54566d866e94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8902363ed00bfc92237dba6af8ee615aa679018c7cbe7b69175e54566d866e94", kill_on_drop: false }`
[INFO] [stdout] 8902363ed00bfc92237dba6af8ee615aa679018c7cbe7b69175e54566d866e94