[INFO] cloning repository https://github.com/romatthe/tectonic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romatthe/tectonic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Ftectonic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Ftectonic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6cb6da4e3087c9428ca0ac02d94628a4f81db6b
[INFO] testing romatthe/tectonic against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromatthe%2Ftectonic" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romatthe/tectonic on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romatthe/tectonic
[INFO] finished tweaking git repo https://github.com/romatthe/tectonic
[INFO] tweaked toml for git repo https://github.com/romatthe/tectonic written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/romatthe/tectonic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded id3 v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a90aca50facc5a0846da46a4072811a9e151cc36a8aa96f989bebc5f25373cb
[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" "8a90aca50facc5a0846da46a4072811a9e151cc36a8aa96f989bebc5f25373cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a90aca50facc5a0846da46a4072811a9e151cc36a8aa96f989bebc5f25373cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a90aca50facc5a0846da46a4072811a9e151cc36a8aa96f989bebc5f25373cb", kill_on_drop: false }`
[INFO] [stdout] 8a90aca50facc5a0846da46a4072811a9e151cc36a8aa96f989bebc5f25373cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0f34e280b21746e13d3053700b33a6dfb1847dc7214a0c263f8be74e1dfdb25
[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" "d0f34e280b21746e13d3053700b33a6dfb1847dc7214a0c263f8be74e1dfdb25", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.7.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling mio v0.7.9
[INFO] [stderr]    Compiling bitvec v0.19.4
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling id3 v0.6.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling crossbeam-queue v0.3.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.0
[INFO] [stderr]    Compiling webpki v0.21.4
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling rustls v0.19.0
[INFO] [stderr]    Compiling webpki-roots v0.21.0
[INFO] [stderr]    Compiling tokio-stream v0.1.3
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling sqlformat v0.1.5
[INFO] [stderr]    Compiling sqlx-rt v0.3.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling futures-util v0.3.13
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling futures-executor v0.3.13
[INFO] [stderr]    Compiling sqlx-core v0.5.1
[INFO] [stderr]    Compiling futures v0.3.13
[INFO] [stderr]    Compiling sqlx-macros v0.5.1
[INFO] [stderr]    Compiling sqlx v0.5.1
[INFO] [stderr]    Compiling tectonic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `FileWatcher`
[INFO] [stdout]  --> src/watcher/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct FileWatcher {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.99s
[INFO] running `Command { std: "docker" "inspect" "d0f34e280b21746e13d3053700b33a6dfb1847dc7214a0c263f8be74e1dfdb25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f34e280b21746e13d3053700b33a6dfb1847dc7214a0c263f8be74e1dfdb25", kill_on_drop: false }`
[INFO] [stdout] d0f34e280b21746e13d3053700b33a6dfb1847dc7214a0c263f8be74e1dfdb25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", 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] 0d72b20d8995779223caaacbd22023699b04d7c21750a8b4783c116f2bebf8ae
[INFO] running `Command { std: "docker" "start" "-a" "0d72b20d8995779223caaacbd22023699b04d7c21750a8b4783c116f2bebf8ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling tectonic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct is never constructed: `FileWatcher`
[INFO] [stdout]  --> src/watcher/mod.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct FileWatcher {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "0d72b20d8995779223caaacbd22023699b04d7c21750a8b4783c116f2bebf8ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d72b20d8995779223caaacbd22023699b04d7c21750a8b4783c116f2bebf8ae", kill_on_drop: false }`
[INFO] [stdout] 0d72b20d8995779223caaacbd22023699b04d7c21750a8b4783c116f2bebf8ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f08d133d28b8300787e662d35495abd44dc054908bb69d48ca66e87a5e381313
[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" "f08d133d28b8300787e662d35495abd44dc054908bb69d48ca66e87a5e381313", kill_on_drop: false }`
[INFO] [stderr] warning: struct is never constructed: `FileWatcher`
[INFO] [stderr]  --> src/watcher/mod.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct FileWatcher {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tectonic` (bin "tectonic" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tectonic-b77c4ff2bb9f6fcb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f08d133d28b8300787e662d35495abd44dc054908bb69d48ca66e87a5e381313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f08d133d28b8300787e662d35495abd44dc054908bb69d48ca66e87a5e381313", kill_on_drop: false }`
[INFO] [stdout] f08d133d28b8300787e662d35495abd44dc054908bb69d48ca66e87a5e381313