[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] testing eeeeeta/matrix-extractor-hacky against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feeeeeta%2Fmatrix-extractor-hacky" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eeeeeta/matrix-extractor-hacky on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-14/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--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 proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded cc v1.0.17
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded libc v0.2.42
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] [stderr]   Downloaded serde_json v1.0.22
[INFO] [stderr]   Downloaded serde v1.0.67
[INFO] [stderr]   Downloaded serde_derive v1.0.67
[INFO] [stderr]   Downloaded backtrace-sys v0.1.23
[INFO] [stderr]   Downloaded csv v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c39510ab6dc907a6235de338a03a0047e1e0c875a6d68700f410bbc54bcae4ff
[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" "c39510ab6dc907a6235de338a03a0047e1e0c875a6d68700f410bbc54bcae4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c39510ab6dc907a6235de338a03a0047e1e0c875a6d68700f410bbc54bcae4ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c39510ab6dc907a6235de338a03a0047e1e0c875a6d68700f410bbc54bcae4ff", kill_on_drop: false }`
[INFO] [stdout] c39510ab6dc907a6235de338a03a0047e1e0c875a6d68700f410bbc54bcae4ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac087c99a3f94531b9f659b41501da2f4dafffc0a9b409141e723bdc5a2af8eb
[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" "ac087c99a3f94531b9f659b41501da2f4dafffc0a9b409141e723bdc5a2af8eb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.67
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling chrono v0.4.4
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.67
[INFO] [stderr]    Compiling serde_json v1.0.22
[INFO] [stderr]    Compiling csv v1.0.0
[INFO] [stderr]    Compiling gm-types v0.4.0 (https://github.com/eeeeeta/glitch-in-the-matrix?branch=horrible-hack-for-hacky-extractor#df20888f)
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.35s
[INFO] running `Command { std: "docker" "inspect" "ac087c99a3f94531b9f659b41501da2f4dafffc0a9b409141e723bdc5a2af8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac087c99a3f94531b9f659b41501da2f4dafffc0a9b409141e723bdc5a2af8eb", kill_on_drop: false }`
[INFO] [stdout] ac087c99a3f94531b9f659b41501da2f4dafffc0a9b409141e723bdc5a2af8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 798302c9ecc94ce8f5842d8144f8ee8692a5d7a9c194a69a8d31ac0dad8ebaea
[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" "798302c9ecc94ce8f5842d8144f8ee8692a5d7a9c194a69a8d31ac0dad8ebaea", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "798302c9ecc94ce8f5842d8144f8ee8692a5d7a9c194a69a8d31ac0dad8ebaea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798302c9ecc94ce8f5842d8144f8ee8692a5d7a9c194a69a8d31ac0dad8ebaea", kill_on_drop: false }`
[INFO] [stdout] 798302c9ecc94ce8f5842d8144f8ee8692a5d7a9c194a69a8d31ac0dad8ebaea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6723f5d6b398bc132e8b79fc86de8425c1422ce60edda6c2a09095fc4c255b2e
[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" "6723f5d6b398bc132e8b79fc86de8425c1422ce60edda6c2a09095fc4c255b2e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `meta`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 37 |         let meta: Metadata = match ::serde_json::from_str(&rec.meta) {
[INFO] [stdout] 
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_meta`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `matrix-extractor-hacky` (bin "matrix-extractor-hacky" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/matrix_extractor_hacky-11fdc851996a6d26)
[INFO] running `Command { std: "docker" "inspect" "6723f5d6b398bc132e8b79fc86de8425c1422ce60edda6c2a09095fc4c255b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6723f5d6b398bc132e8b79fc86de8425c1422ce60edda6c2a09095fc4c255b2e", kill_on_drop: false }`
[INFO] [stdout] 6723f5d6b398bc132e8b79fc86de8425c1422ce60edda6c2a09095fc4c255b2e