[INFO] cloning repository https://github.com/mythmon/rust-gz-csv-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mythmon/rust-gz-csv-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmythmon%2Frust-gz-csv-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmythmon%2Frust-gz-csv-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bd8a249c688188986029a42089ca278edca6e18
[INFO] testing mythmon/rust-gz-csv-test against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmythmon%2Frust-gz-csv-test" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mythmon/rust-gz-csv-test on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mythmon/rust-gz-csv-test
[INFO] finished tweaking git repo https://github.com/mythmon/rust-gz-csv-test
[INFO] tweaked toml for git repo https://github.com/mythmon/rust-gz-csv-test written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/mythmon/rust-gz-csv-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be163d717c1339c32e9ecfcdf4a34c7f90c6717d7276e046c3e29df61289015
[INFO] running `Command { std: "docker" "start" "-a" "7be163d717c1339c32e9ecfcdf4a34c7f90c6717d7276e046c3e29df61289015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be163d717c1339c32e9ecfcdf4a34c7f90c6717d7276e046c3e29df61289015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be163d717c1339c32e9ecfcdf4a34c7f90c6717d7276e046c3e29df61289015", kill_on_drop: false }`
[INFO] [stdout] 7be163d717c1339c32e9ecfcdf4a34c7f90c6717d7276e046c3e29df61289015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27c7d9a3f69c5cfd16d80395be31e4564e0bc58d3e2c65e33317543ce66068a8
[INFO] running `Command { std: "docker" "start" "-a" "27c7d9a3f69c5cfd16d80395be31e4564e0bc58d3e2c65e33317543ce66068a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.2
[INFO] [stderr]    Compiling serde v1.0.43
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.3.7
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling csv-core v0.1.4
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling chrono v0.4.2
[INFO] [stderr]    Compiling libz-sys v1.0.18
[INFO] [stderr]    Compiling csv v1.0.0-beta.5
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling serde_derive_internals v0.23.1
[INFO] [stderr]    Compiling serde_derive v1.0.43
[INFO] [stderr]    Compiling gzcsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `bucket`
[INFO] [stdout]   --> src/rayon.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     bucket: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/rayon.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/rayon.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `etag`
[INFO] [stdout]   --> src/rayon.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     etag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bucket`
[INFO] [stdout]   --> src/single_threaded.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     bucket: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/single_threaded.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/single_threaded.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `etag`
[INFO] [stdout]   --> src/single_threaded.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     etag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.48s
[INFO] running `Command { std: "docker" "inspect" "27c7d9a3f69c5cfd16d80395be31e4564e0bc58d3e2c65e33317543ce66068a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c7d9a3f69c5cfd16d80395be31e4564e0bc58d3e2c65e33317543ce66068a8", kill_on_drop: false }`
[INFO] [stdout] 27c7d9a3f69c5cfd16d80395be31e4564e0bc58d3e2c65e33317543ce66068a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72d1222a597ed98928d9c6ecc4710efa7d2b4180530e720ce0dfd0ca528a7c23
[INFO] running `Command { std: "docker" "start" "-a" "72d1222a597ed98928d9c6ecc4710efa7d2b4180530e720ce0dfd0ca528a7c23", kill_on_drop: false }`
[INFO] [stderr]    Compiling gzcsv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `bucket`
[INFO] [stdout]   --> src/single_threaded.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     bucket: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/single_threaded.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/single_threaded.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `etag`
[INFO] [stdout]   --> src/single_threaded.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     etag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bucket`
[INFO] [stdout]   --> src/rayon.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     bucket: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `key`
[INFO] [stdout]   --> src/rayon.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     key: String,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/rayon.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     size: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `etag`
[INFO] [stdout]   --> src/rayon.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     etag: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "72d1222a597ed98928d9c6ecc4710efa7d2b4180530e720ce0dfd0ca528a7c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72d1222a597ed98928d9c6ecc4710efa7d2b4180530e720ce0dfd0ca528a7c23", kill_on_drop: false }`
[INFO] [stdout] 72d1222a597ed98928d9c6ecc4710efa7d2b4180530e720ce0dfd0ca528a7c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf7ad2fb0ce96db40e7b9b1cb28cf1eb2b4ff60ac16a055244b3af245d42d0f3
[INFO] running `Command { std: "docker" "start" "-a" "cf7ad2fb0ce96db40e7b9b1cb28cf1eb2b4ff60ac16a055244b3af245d42d0f3", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `bucket`
[INFO] [stderr]   --> src/single_threaded.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     bucket: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stderr]   --> src/single_threaded.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     key: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/single_threaded.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etag`
[INFO] [stderr]   --> src/single_threaded.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     etag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `bucket`
[INFO] [stderr]   --> src/rayon.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     bucket: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `key`
[INFO] [stderr]   --> src/rayon.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     key: String,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/rayon.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     size: usize,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `etag`
[INFO] [stderr]   --> src/rayon.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     etag: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `gzcsv` (bin "single_threaded" test) generated 4 warnings
[INFO] [stderr] warning: `gzcsv` (bin "rayon" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rayon-9376ae014b6e6f0a)
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/single_threaded-72f6e42cf7f47903)
[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] [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" "cf7ad2fb0ce96db40e7b9b1cb28cf1eb2b4ff60ac16a055244b3af245d42d0f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf7ad2fb0ce96db40e7b9b1cb28cf1eb2b4ff60ac16a055244b3af245d42d0f3", kill_on_drop: false }`
[INFO] [stdout] cf7ad2fb0ce96db40e7b9b1cb28cf1eb2b4ff60ac16a055244b3af245d42d0f3