[INFO] cloning repository https://github.com/eeeeeta/matrix-extractor-hacky
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eeeeeta/matrix-extractor-hacky" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fmatrix-extractor-hacky", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fmatrix-extractor-hacky'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd103cec72a3bd4913c49832df1d6a0cac1b31d
[INFO] checking eeeeeta/matrix-extractor-hacky against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fmatrix-extractor-hacky" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eeeeeta/matrix-extractor-hacky on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eeeeeta/matrix-extractor-hacky
[INFO] finished tweaking git repo https://github.com/eeeeeta/matrix-extractor-hacky
[INFO] tweaked toml for git repo https://github.com/eeeeeta/matrix-extractor-hacky written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/eeeeeta/matrix-extractor-hacky already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/eeeeeta/glitch-in-the-matrix`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.22
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] [stderr]   Downloaded serde v1.0.67
[INFO] [stderr]   Downloaded serde_derive v1.0.67
[INFO] [stderr]   Downloaded csv v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "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] 17db6ab45632381505f2f2b1944a2ee55d5c450c702ddc188dea0912d52d4120
[INFO] running `Command { std: "docker" "start" "-a" "17db6ab45632381505f2f2b1944a2ee55d5c450c702ddc188dea0912d52d4120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17db6ab45632381505f2f2b1944a2ee55d5c450c702ddc188dea0912d52d4120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17db6ab45632381505f2f2b1944a2ee55d5c450c702ddc188dea0912d52d4120", kill_on_drop: false }`
[INFO] [stdout] 17db6ab45632381505f2f2b1944a2ee55d5c450c702ddc188dea0912d52d4120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--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] 8e4ffc9e2192da13e226517352989cf7fc0236ded9f319cafb7f899abe9800c1
[INFO] running `Command { std: "docker" "start" "-a" "8e4ffc9e2192da13e226517352989cf7fc0236ded9f319cafb7f899abe9800c1", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]    Compiling serde v1.0.67
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking backtrace v0.3.8
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.67
[INFO] [stderr]     Checking serde_json v1.0.22
[INFO] [stderr]     Checking csv v1.0.0
[INFO] [stderr]     Checking gm-types v0.4.0 (https://github.com/eeeeeta/glitch-in-the-matrix?branch=horrible-hack-for-hacky-extractor#df20888f)
[INFO] [stderr]     Checking matrix-extractor-hacky v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let meta: Metadata = match ::serde_json::from_str(&rec.meta) {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_meta`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta`
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let meta: Metadata = match ::serde_json::from_str(&rec.meta) {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_meta`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.94s
[INFO] running `Command { std: "docker" "inspect" "8e4ffc9e2192da13e226517352989cf7fc0236ded9f319cafb7f899abe9800c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4ffc9e2192da13e226517352989cf7fc0236ded9f319cafb7f899abe9800c1", kill_on_drop: false }`
[INFO] [stdout] 8e4ffc9e2192da13e226517352989cf7fc0236ded9f319cafb7f899abe9800c1