[INFO] fetching crate lognplot 0.1.0...
[INFO] testing lognplot-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate lognplot 0.1.0 into /workspace/builds/worker-0-tc1/source
[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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lognplot 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lognplot 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scopeguard v1.0.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7be98391bb9ebc074c41f2e433553bc27a9fcb31f5bc1e51f8e1ce3c43d4e901
[INFO] running `Command { std: "docker" "start" "-a" "7be98391bb9ebc074c41f2e433553bc27a9fcb31f5bc1e51f8e1ce3c43d4e901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7be98391bb9ebc074c41f2e433553bc27a9fcb31f5bc1e51f8e1ce3c43d4e901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7be98391bb9ebc074c41f2e433553bc27a9fcb31f5bc1e51f8e1ce3c43d4e901", kill_on_drop: false }`
[INFO] [stdout] 7be98391bb9ebc074c41f2e433553bc27a9fcb31f5bc1e51f8e1ce3c43d4e901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87dd4c4ea04aa0c09228eb4c830d1b6f621c587b4aa423b2c1061cb7ddc251a1
[INFO] running `Command { std: "docker" "start" "-a" "87dd4c4ea04aa0c09228eb4c830d1b6f621c587b4aa423b2c1061cb7ddc251a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling colored v1.9.0
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling simple_logger v1.3.0
[INFO] [stderr]    Compiling lognplot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chart/axis.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stdout]    |                             ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stdout] 48 +             .min_by_key(|x| ((*x - approx).abs() * 1_000_000.0) as i64 )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `legend` is never read
[INFO] [stdout]   --> src/chart/curve.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Curve {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     legend: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Curve` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, `width`, and `height` are never read
[INFO] [stdout]  --> src/geometry/rectangle.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Rect {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     x: f64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     y: f64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     width: f64,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     height: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Duration` is never constructed
[INFO] [stdout]  --> src/time/duration.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Duration {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Connection` is never used
[INFO] [stdout]   --> src/tsdb/connection.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Connection {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogMetrics` is never constructed
[INFO] [stdout]  --> src/tsdb/logrecords.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct LogMetrics {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tsdb/btree.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn select_all(&self) -> RangeSelectionResult<V, M> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn select_all(&self) -> RangeSelectionResult<'_, V, M> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tsdb/btree.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn select_range(&self, timespan: &TimeSpan) -> RangeSelectionResult<V, M> {
[INFO] [stdout]     |                     ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn select_range(&self, timespan: &TimeSpan) -> RangeSelectionResult<'_, V, M> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "87dd4c4ea04aa0c09228eb4c830d1b6f621c587b4aa423b2c1061cb7ddc251a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87dd4c4ea04aa0c09228eb4c830d1b6f621c587b4aa423b2c1061cb7ddc251a1", kill_on_drop: false }`
[INFO] [stdout] 87dd4c4ea04aa0c09228eb4c830d1b6f621c587b4aa423b2c1061cb7ddc251a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a80e608e1f9639df5a2f56445ca2a5b17d0dc20b7c1ee82feea2061a3d36ed6
[INFO] running `Command { std: "docker" "start" "-a" "5a80e608e1f9639df5a2f56445ca2a5b17d0dc20b7c1ee82feea2061a3d36ed6", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chart/axis.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stdout]    |                             ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stdout] 48 +             .min_by_key(|x| ((*x - approx).abs() * 1_000_000.0) as i64 )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `legend` is never read
[INFO] [stdout]   --> src/chart/curve.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Curve {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     legend: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Curve` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, `width`, and `height` are never read
[INFO] [stdout]  --> src/geometry/rectangle.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Rect {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     x: f64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     y: f64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     width: f64,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     height: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Duration` is never constructed
[INFO] [stdout]  --> src/time/duration.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Duration {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Connection` is never used
[INFO] [stdout]   --> src/tsdb/connection.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Connection {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogMetrics` is never constructed
[INFO] [stdout]  --> src/tsdb/logrecords.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct LogMetrics {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tsdb/btree.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn select_all(&self) -> RangeSelectionResult<V, M> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn select_all(&self) -> RangeSelectionResult<'_, V, M> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tsdb/btree.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn select_range(&self, timespan: &TimeSpan) -> RangeSelectionResult<V, M> {
[INFO] [stdout]     |                     ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn select_range(&self, timespan: &TimeSpan) -> RangeSelectionResult<'_, V, M> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lognplot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/chart/axis.rs:48:29
[INFO] [stdout]    |
[INFO] [stdout] 48 |             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stdout]    |                             ^                                          ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 48 -             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stdout] 48 +             .min_by_key(|x| ((*x - approx).abs() * 1_000_000.0) as i64 )
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `legend` is never read
[INFO] [stdout]   --> src/chart/curve.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Curve {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 13 |     legend: Option<String>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Curve` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `x`, `y`, `width`, and `height` are never read
[INFO] [stdout]  --> src/geometry/rectangle.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct Rect {
[INFO] [stdout]   |            ---- fields in this struct
[INFO] [stdout] 3 |     x: f64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 4 |     y: f64,
[INFO] [stdout]   |     ^
[INFO] [stdout] 5 |     width: f64,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 6 |     height: f64,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Rect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Duration` is never constructed
[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 `LogMetrics` is never constructed
[INFO] [stdout]  --> src/tsdb/logrecords.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct LogMetrics {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tsdb/btree.rs:204:19
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn select_all(&self) -> RangeSelectionResult<V, M> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 204 |     fn select_all(&self) -> RangeSelectionResult<'_, V, M> {
[INFO] [stdout]     |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/tsdb/btree.rs:212:21
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn select_range(&self, timespan: &TimeSpan) -> RangeSelectionResult<V, M> {
[INFO] [stdout]     |                     ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 212 |     fn select_range(&self, timespan: &TimeSpan) -> RangeSelectionResult<'_, V, M> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "5a80e608e1f9639df5a2f56445ca2a5b17d0dc20b7c1ee82feea2061a3d36ed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a80e608e1f9639df5a2f56445ca2a5b17d0dc20b7c1ee82feea2061a3d36ed6", kill_on_drop: false }`
[INFO] [stdout] 5a80e608e1f9639df5a2f56445ca2a5b17d0dc20b7c1ee82feea2061a3d36ed6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d134073fddac02022dc5c2516f6df5a70fcb5153b8b493acd6218fdf93a7bea2
[INFO] running `Command { std: "docker" "start" "-a" "d134073fddac02022dc5c2516f6df5a70fcb5153b8b493acd6218fdf93a7bea2", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/chart/axis.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stderr]    |                             ^                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stderr] 48 +             .min_by_key(|x| ((*x - approx).abs() * 1_000_000.0) as i64 )
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `legend` is never read
[INFO] [stderr]   --> src/chart/curve.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct Curve {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 13 |     legend: Option<String>,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Curve` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `x`, `y`, `width`, and `height` are never read
[INFO] [stderr]  --> src/geometry/rectangle.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub struct Rect {
[INFO] [stderr]   |            ---- fields in this struct
[INFO] [stderr] 3 |     x: f64,
[INFO] [stderr]   |     ^
[INFO] [stderr] 4 |     y: f64,
[INFO] [stderr]   |     ^
[INFO] [stderr] 5 |     width: f64,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 6 |     height: f64,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Rect` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Duration` is never constructed
[INFO] [stderr]  --> src/time/duration.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 | struct Duration {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Connection` is never used
[INFO] [stderr]   --> src/tsdb/connection.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub trait Connection {
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LogMetrics` is never constructed
[INFO] [stderr]  --> src/tsdb/logrecords.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | struct LogMetrics {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tsdb/btree.rs:204:19
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn select_all(&self) -> RangeSelectionResult<V, M> {
[INFO] [stderr]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                   |
[INFO] [stderr]     |                   the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 204 |     fn select_all(&self) -> RangeSelectionResult<'_, V, M> {
[INFO] [stderr]     |                                                  +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/tsdb/btree.rs:212:21
[INFO] [stderr]     |
[INFO] [stderr] 212 |     fn select_range(&self, timespan: &TimeSpan) -> RangeSelectionResult<V, M> {
[INFO] [stderr]     |                     ^^^^^                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 212 |     fn select_range(&self, timespan: &TimeSpan) -> RangeSelectionResult<'_, V, M> {
[INFO] [stderr]     |                                                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: `lognplot` (lib) generated 8 warnings (run `cargo fix --lib -p lognplot` to apply 3 suggestions)
[INFO] [stderr] warning: `lognplot` (lib test) generated 7 warnings (7 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/lognplot-11cf9d660cd4a1f6)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test time::timespan::tests::no_overlap1 ... ok
[INFO] [stdout] test time::timespan::tests::overlap2 ... ok
[INFO] [stdout] test time::timespan::tests::overlap1 ... ok
[INFO] [stdout] test time::timespan::tests::no_overlap2 ... ok
[INFO] [stdout] test tsdb::btree::tests::btree_mutliple_insertions ... ok
[INFO] [stdout] test tsdb::aggregation::tests::metric_updates ... ok
[INFO] [stdout] test tsdb::btree::tests::btree_single_insertion ... ok
[INFO] [stdout] test tsdb::tests::basic_usage ... ok
[INFO] [stdout] test chart::axis::tests::tick_calculation ... ok
[INFO] [stdout] test chart::axis::tests::tick_calculation_negative ... ok
[INFO] [stdout] test time::timespan::tests::overlap3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lognplot
[INFO] [stderr] warning: unnecessary parentheses around closure body
[INFO] [stderr]   --> src/chart/axis.rs:48:29
[INFO] [stderr]    |
[INFO] [stderr] 48 |             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stderr]    |                             ^                                          ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 48 -             .min_by_key(|x| (((*x - approx).abs() * 1_000_000.0) as i64))
[INFO] [stderr] 48 +             .min_by_key(|x| ((*x - approx).abs() * 1_000_000.0) as i64 )
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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" "d134073fddac02022dc5c2516f6df5a70fcb5153b8b493acd6218fdf93a7bea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d134073fddac02022dc5c2516f6df5a70fcb5153b8b493acd6218fdf93a7bea2", kill_on_drop: false }`
[INFO] [stdout] d134073fddac02022dc5c2516f6df5a70fcb5153b8b493acd6218fdf93a7bea2
