[INFO] fetching crate lognplot 0.1.0...
[INFO] checking lognplot-0.1.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate lognplot 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate lognplot 0.1.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-10/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6dcc57f8ee6ae21b42244ddc83d926e480d9da4b82c2d1073031c3fed41606ad
[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" "6dcc57f8ee6ae21b42244ddc83d926e480d9da4b82c2d1073031c3fed41606ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dcc57f8ee6ae21b42244ddc83d926e480d9da4b82c2d1073031c3fed41606ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcc57f8ee6ae21b42244ddc83d926e480d9da4b82c2d1073031c3fed41606ad", kill_on_drop: false }`
[INFO] [stdout] 6dcc57f8ee6ae21b42244ddc83d926e480d9da4b82c2d1073031c3fed41606ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2228e0c4ea9d0b9ae3cf63626d04f2d785b8ee2dce77f03c3310ba9d68bc9ca8
[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" "2228e0c4ea9d0b9ae3cf63626d04f2d785b8ee2dce77f03c3310ba9d68bc9ca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking colored v1.9.0
[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 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 8.35s
[INFO] running `Command { std: "docker" "inspect" "2228e0c4ea9d0b9ae3cf63626d04f2d785b8ee2dce77f03c3310ba9d68bc9ca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2228e0c4ea9d0b9ae3cf63626d04f2d785b8ee2dce77f03c3310ba9d68bc9ca8", kill_on_drop: false }`
[INFO] [stdout] 2228e0c4ea9d0b9ae3cf63626d04f2d785b8ee2dce77f03c3310ba9d68bc9ca8