[INFO] crate impromptu 0.0.1 is already in cache
[INFO] checking impromptu-0.0.1 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate impromptu 0.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate impromptu 0.0.1 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate impromptu 0.0.1
[INFO] finished tweaking crates.io crate impromptu 0.0.1
[INFO] tweaked toml for crates.io crate impromptu 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate impromptu 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c82718a143c026587e2f7555df6ff67d9a691950fb9d896eede15c62b93e376f
[INFO] running `"docker" "start" "-a" "c82718a143c026587e2f7555df6ff67d9a691950fb9d896eede15c62b93e376f"`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling bitflags v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
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[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.6
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[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
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[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
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[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
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[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
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[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking clap v2.33.0
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[INFO] [stderr]     Checking rand_xoshiro v0.3.1
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[INFO] [stderr]     Checking rayon v1.2.0
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[INFO] [stderr]     Checking cached v0.9.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.50
[INFO] [stderr]    Compiling libssh2-sys v0.2.12
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking tinytemplate v1.0.2
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]     Checking criterion v0.3.0
[INFO] [stderr]     Checking impromptu v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `style::Style::*`
[INFO] [stderr]  --> src/main-colors.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use style::Style::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `style::Style::*`
[INFO] [stderr]  --> src/main-colors.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use style::Style::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bold`
[INFO] [stderr]   --> src/style.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Bold,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Faint`
[INFO] [stderr]   --> src/style.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Faint,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Italic`
[INFO] [stderr]   --> src/style.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Italic,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Underline`
[INFO] [stderr]   --> src/style.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Underline,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blink`
[INFO] [stderr]   --> src/style.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Blink,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Invert`
[INFO] [stderr]   --> src/style.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Invert,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CrossedOut`
[INFO] [stderr]   --> src/style.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     CrossedOut,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Framed`
[INFO] [stderr]   --> src/style.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Framed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `styled`
[INFO] [stderr]    --> src/style.rs:235:8
[INFO] [stderr]     |
[INFO] [stderr] 235 | pub fn styled<T: std::fmt::Display>(arg: T, style: Style) -> String {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/git.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let mut describe_fmt_options = git2::DescribeFormatOptions::new();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Bold`
[INFO] [stderr]   --> src/style.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     Bold,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Faint`
[INFO] [stderr]   --> src/style.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     Faint,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Italic`
[INFO] [stderr]   --> src/style.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     Italic,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Underline`
[INFO] [stderr]   --> src/style.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     Underline,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Blink`
[INFO] [stderr]   --> src/style.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     Blink,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Invert`
[INFO] [stderr]   --> src/style.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     Invert,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CrossedOut`
[INFO] [stderr]   --> src/style.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     CrossedOut,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Framed`
[INFO] [stderr]   --> src/style.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     Framed,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `styled`
[INFO] [stderr]    --> src/style.rs:235:8
[INFO] [stderr]     |
[INFO] [stderr] 235 | pub fn styled<T: std::fmt::Display>(arg: T, style: Style) -> String {
[INFO] [stderr]     |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size_policy`
[INFO] [stderr]   --> src/widget.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     size_policy: SizePolicy,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Line`
[INFO] [stderr]   --> src/widget.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 | struct Line {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/widget.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn add(&mut self, widget: Widget) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_with_separator`
[INFO] [stderr]    --> src/widget.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn add_with_separator(&mut self, widget: Widget, separator: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_with_separator_reversed`
[INFO] [stderr]    --> src/widget.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn add_with_separator_reversed(&mut self, widget: Widget, separator: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/git.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |     let mut describe_fmt_options = git2::DescribeFormatOptions::new();
[INFO] [stderr]    |         ----^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size_policy`
[INFO] [stderr]   --> src/widget.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     size_policy: SizePolicy,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Line`
[INFO] [stderr]   --> src/widget.rs:92:8
[INFO] [stderr]    |
[INFO] [stderr] 92 | struct Line {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add`
[INFO] [stderr]   --> src/widget.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     pub fn add(&mut self, widget: Widget) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_with_separator`
[INFO] [stderr]    --> src/widget.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     pub fn add_with_separator(&mut self, widget: Widget, separator: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `add_with_separator_reversed`
[INFO] [stderr]    --> src/widget.rs:123:5
[INFO] [stderr]     |
[INFO] [stderr] 123 |     pub fn add_with_separator_reversed(&mut self, widget: Widget, separator: String) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `"docker" "inspect" "c82718a143c026587e2f7555df6ff67d9a691950fb9d896eede15c62b93e376f"`
[INFO] running `"docker" "rm" "-f" "c82718a143c026587e2f7555df6ff67d9a691950fb9d896eede15c62b93e376f"`
[INFO] [stdout] c82718a143c026587e2f7555df6ff67d9a691950fb9d896eede15c62b93e376f