[INFO] fetching crate tectonic_bridge_core 0.3.0...
[INFO] checking tectonic_bridge_core-0.3.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate tectonic_bridge_core 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tectonic_bridge_core 0.3.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tectonic_bridge_core 0.3.0
[INFO] finished tweaking crates.io crate tectonic_bridge_core 0.3.0
[INFO] tweaked toml for crates.io crate tectonic_bridge_core 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 25d792d208ad9bcf6b3f3ac5a78cd58b68cdfb77fd34e137f3f497890188855d
[INFO] running `Command { std: "docker" "start" "-a" "25d792d208ad9bcf6b3f3ac5a78cd58b68cdfb77fd34e137f3f497890188855d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25d792d208ad9bcf6b3f3ac5a78cd58b68cdfb77fd34e137f3f497890188855d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d792d208ad9bcf6b3f3ac5a78cd58b68cdfb77fd34e137f3f497890188855d", kill_on_drop: false }`
[INFO] [stdout] 25d792d208ad9bcf6b3f3ac5a78cd58b68cdfb77fd34e137f3f497890188855d
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6e1cf8269042e2ce5c401e080d0f6af59906abafe4e6b5379c7aeefebf4b2ae
[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" "e6e1cf8269042e2ce5c401e080d0f6af59906abafe4e6b5379c7aeefebf4b2ae", 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] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling tectonic_bridge_core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking tectonic_errors v0.2.0
[INFO] [stderr]     Checking crc32fast v1.2.2
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking tectonic_status_base v0.2.0
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking app_dirs2 v2.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking tectonic_io_base v0.3.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.89s
[INFO] running `Command { std: "docker" "inspect" "e6e1cf8269042e2ce5c401e080d0f6af59906abafe4e6b5379c7aeefebf4b2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6e1cf8269042e2ce5c401e080d0f6af59906abafe4e6b5379c7aeefebf4b2ae", kill_on_drop: false }`
[INFO] [stdout] e6e1cf8269042e2ce5c401e080d0f6af59906abafe4e6b5379c7aeefebf4b2ae