[INFO] fetching crate lognplot 0.1.0...
[INFO] checking lognplot-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate lognplot 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate lognplot 0.1.0 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 lognplot 0.1.0
[INFO] finished tweaking crates.io crate lognplot 0.1.0
[INFO] tweaked toml for crates.io crate lognplot 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate lognplot 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-timer v0.2.11
[INFO] [stderr]   Downloaded tokio-executor v0.1.8
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded tokio-tcp v0.1.3
[INFO] [stderr]   Downloaded syn v1.0.8
[INFO] [stderr]   Downloaded serde_cbor v0.10.2
[INFO] [stderr]   Downloaded half v1.4.0
[INFO] [stderr]   Downloaded simple_logger v1.3.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.0
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.16
[INFO] [stderr]   Downloaded glib v0.8.2
[INFO] [stderr]   Downloaded colored v1.9.0
[INFO] [stderr]   Downloaded tokio-fs v0.1.6
[INFO] [stderr]   Downloaded tokio-sync v0.1.7
[INFO] [stderr]   Downloaded cairo-rs v0.7.1
[INFO] [stderr]   Downloaded tokio-reactor v0.1.10
[INFO] [stderr]   Downloaded tokio-uds v0.2.5
[INFO] [stderr]   Downloaded crossbeam-utils v0.7.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.7.2
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.6
[INFO] [stderr]   Downloaded tokio-codec v0.1.1
[INFO] [stderr]   Downloaded tokio-udp v0.1.5
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] [stderr]   Downloaded tokio-io v0.1.12
[INFO] [stderr]   Downloaded cairo-sys-rs v0.9.0
[INFO] [stderr]   Downloaded gobject-sys v0.9.0
[INFO] [stderr]   Downloaded glib-sys v0.9.0
[INFO] [stderr]   Downloaded mio v0.6.20
[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" "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] [stdout] 89836520003d5f3057ca4ff6c9449aedabd5432f12f57239bc69913d1d9e02a1
[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" "89836520003d5f3057ca4ff6c9449aedabd5432f12f57239bc69913d1d9e02a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89836520003d5f3057ca4ff6c9449aedabd5432f12f57239bc69913d1d9e02a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89836520003d5f3057ca4ff6c9449aedabd5432f12f57239bc69913d1d9e02a1", kill_on_drop: false }`
[INFO] [stdout] 89836520003d5f3057ca4ff6c9449aedabd5432f12f57239bc69913d1d9e02a1
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80a3671ecb288bd048877424cbc2a7758e1fd07dd2153cd0691f7510c63d0df7
[INFO] running `Command { std: "docker" "start" "-a" "80a3671ecb288bd048877424cbc2a7758e1fd07dd2153cd0691f7510c63d0df7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking simple_logger v1.3.0
[INFO] [stderr]     Checking lognplot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `legend`
[INFO] [stdout]   --> src/chart/curve.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     legend: Option<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: `x`
[INFO] [stdout]  --> src/geometry/rectangle.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     x: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/geometry/rectangle.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     y: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]  --> src/geometry/rectangle.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]  --> src/geometry/rectangle.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     height: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Duration`
[INFO] [stdout]  --> src/time/duration.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Duration {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LogMetrics`
[INFO] [stdout]  --> src/tsdb/logrecords.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct LogMetrics {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `legend`
[INFO] [stdout]   --> src/chart/curve.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     legend: Option<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: `x`
[INFO] [stdout]  --> src/geometry/rectangle.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     x: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `y`
[INFO] [stdout]  --> src/geometry/rectangle.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     y: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `width`
[INFO] [stdout]  --> src/geometry/rectangle.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     width: f64,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `height`
[INFO] [stdout]  --> src/geometry/rectangle.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     height: f64,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Duration`
[INFO] [stdout]  --> src/time/duration.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Duration {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `LogMetrics`
[INFO] [stdout]  --> src/tsdb/logrecords.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct LogMetrics {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "80a3671ecb288bd048877424cbc2a7758e1fd07dd2153cd0691f7510c63d0df7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80a3671ecb288bd048877424cbc2a7758e1fd07dd2153cd0691f7510c63d0df7", kill_on_drop: false }`
[INFO] [stdout] 80a3671ecb288bd048877424cbc2a7758e1fd07dd2153cd0691f7510c63d0df7