[INFO] fetching crate kaos 0.1.1-alpha.2...
[INFO] testing kaos-0.1.1-alpha.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate kaos 0.1.1-alpha.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate kaos 0.1.1-alpha.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kaos 0.1.1-alpha.2
[INFO] finished tweaking crates.io crate kaos 0.1.1-alpha.2
[INFO] tweaked toml for crates.io crate kaos 0.1.1-alpha.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded dissimilar v1.0.3
[INFO] [stderr]   Downloaded rusty-fork v0.2.2
[INFO] [stderr]   Downloaded fail v0.3.0
[INFO] [stderr]   Downloaded proptest v0.9.6
[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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c4a244d050e21c931f2ffdbc349b0b9c2171cfe2f597ec29f5903859c167350
[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" "8c4a244d050e21c931f2ffdbc349b0b9c2171cfe2f597ec29f5903859c167350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c4a244d050e21c931f2ffdbc349b0b9c2171cfe2f597ec29f5903859c167350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4a244d050e21c931f2ffdbc349b0b9c2171cfe2f597ec29f5903859c167350", kill_on_drop: false }`
[INFO] [stdout] 8c4a244d050e21c931f2ffdbc349b0b9c2171cfe2f597ec29f5903859c167350
[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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69ee0495c66edd0c9fa08b734a6c5001d053a0e4701daf79e4f1e304070c75e
[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" "e69ee0495c66edd0c9fa08b734a6c5001d053a0e4701daf79e4f1e304070c75e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[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 rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling rusty-fork v0.2.2
[INFO] [stderr]    Compiling fail v0.3.0
[INFO] [stderr]    Compiling proptest v0.9.6
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling kaos v0.1.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OsStr`
[INFO] [stdout]  --> src/run.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail`, `Warn`
[INFO] [stdout]   --> src/run.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::message::{self, Fail, Warn};
[INFO] [stdout]    |                            ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compute`
[INFO] [stdout]   --> src/diff.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |         pub fn compute(_expected: &str, _actual: &str) -> Option<Self> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mismatch`
[INFO] [stdout]   --> src/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Mismatch,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadStderr`
[INFO] [stdout]   --> src/error.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ReadStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ShouldNotHaveCompiled`
[INFO] [stdout]   --> src/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ShouldNotHaveCompiled,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WriteStderr`
[INFO] [stdout]   --> src/error.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     WriteStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Level`
[INFO] [stdout]   --> src/message.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Level {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `should_not_have_compiled`
[INFO] [stdout]   --> src/message.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn should_not_have_compiled() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_stderr_wip`
[INFO] [stdout]   --> src/message.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) fn write_stderr_wip(wip_path: &Path, stderr_path: &Path, stderr: &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `overwrite_stderr`
[INFO] [stdout]    --> src/message.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub(crate) fn overwrite_stderr(stderr_path: &Path, stderr: &str) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mismatch`
[INFO] [stdout]    --> src/message.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub(crate) fn mismatch(expected: &str, actual: &str) {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fail_output`
[INFO] [stdout]    --> src/message.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub(crate) fn fail_output(level: Level, stdout: &[u8]) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `any`
[INFO] [stdout]   --> src/normalize.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn any<F: FnMut(&str) -> bool>(&self, mut f: F) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `update`
[INFO] [stdout]   --> src/run.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     update: Update,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.32s
[INFO] running `Command { std: "docker" "inspect" "e69ee0495c66edd0c9fa08b734a6c5001d053a0e4701daf79e4f1e304070c75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69ee0495c66edd0c9fa08b734a6c5001d053a0e4701daf79e4f1e304070c75e", kill_on_drop: false }`
[INFO] [stdout] e69ee0495c66edd0c9fa08b734a6c5001d053a0e4701daf79e4f1e304070c75e
[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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af05cb7ff92b4643cd92c40b550b6b977d9d3fec13bd16cdf9141f400f37b8a6
[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" "af05cb7ff92b4643cd92c40b550b6b977d9d3fec13bd16cdf9141f400f37b8a6", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `OsStr`
[INFO] [stdout]  --> src/run.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail`, `Warn`
[INFO] [stdout]   --> src/run.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::message::{self, Fail, Warn};
[INFO] [stdout]    |                            ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compute`
[INFO] [stdout]   --> src/diff.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |         pub fn compute(_expected: &str, _actual: &str) -> Option<Self> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mismatch`
[INFO] [stdout]   --> src/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Mismatch,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadStderr`
[INFO] [stdout]   --> src/error.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ReadStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ShouldNotHaveCompiled`
[INFO] [stdout]   --> src/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ShouldNotHaveCompiled,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WriteStderr`
[INFO] [stdout]   --> src/error.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     WriteStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Level`
[INFO] [stdout]   --> src/message.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Level {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `should_not_have_compiled`
[INFO] [stdout]   --> src/message.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn should_not_have_compiled() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_stderr_wip`
[INFO] [stdout]   --> src/message.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) fn write_stderr_wip(wip_path: &Path, stderr_path: &Path, stderr: &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `overwrite_stderr`
[INFO] [stdout]    --> src/message.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub(crate) fn overwrite_stderr(stderr_path: &Path, stderr: &str) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mismatch`
[INFO] [stdout]    --> src/message.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub(crate) fn mismatch(expected: &str, actual: &str) {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fail_output`
[INFO] [stdout]    --> src/message.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub(crate) fn fail_output(level: Level, stdout: &[u8]) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `any`
[INFO] [stdout]   --> src/normalize.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn any<F: FnMut(&str) -> bool>(&self, mut f: F) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `update`
[INFO] [stdout]   --> src/run.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     update: Update,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kaos v0.1.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OsStr`
[INFO] [stdout]  --> src/run.rs:3:16
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::ffi::{OsStr, OsString};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Fail`, `Warn`
[INFO] [stdout]   --> src/run.rs:14:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::message::{self, Fail, Warn};
[INFO] [stdout]    |                            ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `compute`
[INFO] [stdout]   --> src/diff.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |         pub fn compute(_expected: &str, _actual: &str) -> Option<Self> {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Mismatch`
[INFO] [stdout]   --> src/error.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Mismatch,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ReadStderr`
[INFO] [stdout]   --> src/error.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     ReadStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ShouldNotHaveCompiled`
[INFO] [stdout]   --> src/error.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     ShouldNotHaveCompiled,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `WriteStderr`
[INFO] [stdout]   --> src/error.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     WriteStderr(io::Error),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Level`
[INFO] [stdout]   --> src/message.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum Level {
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `should_not_have_compiled`
[INFO] [stdout]   --> src/message.rs:90:15
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub(crate) fn should_not_have_compiled() {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `write_stderr_wip`
[INFO] [stdout]   --> src/message.rs:99:15
[INFO] [stdout]    |
[INFO] [stdout] 99 | pub(crate) fn write_stderr_wip(wip_path: &Path, stderr_path: &Path, stderr: &str) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `overwrite_stderr`
[INFO] [stdout]    --> src/message.rs:117:15
[INFO] [stdout]     |
[INFO] [stdout] 117 | pub(crate) fn overwrite_stderr(stderr_path: &Path, stderr: &str) {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `mismatch`
[INFO] [stdout]    --> src/message.rs:130:15
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub(crate) fn mismatch(expected: &str, actual: &str) {
[INFO] [stdout]     |               ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `fail_output`
[INFO] [stdout]    --> src/message.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 | pub(crate) fn fail_output(level: Level, stdout: &[u8]) {
[INFO] [stdout]     |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `any`
[INFO] [stdout]   --> src/normalize.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn any<F: FnMut(&str) -> bool>(&self, mut f: F) -> bool {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `update`
[INFO] [stdout]   --> src/run.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     update: Update,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "af05cb7ff92b4643cd92c40b550b6b977d9d3fec13bd16cdf9141f400f37b8a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af05cb7ff92b4643cd92c40b550b6b977d9d3fec13bd16cdf9141f400f37b8a6", kill_on_drop: false }`
[INFO] [stdout] af05cb7ff92b4643cd92c40b550b6b977d9d3fec13bd16cdf9141f400f37b8a6
[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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14e2bca63b07a8dd4a3147f408e5a66f410606a01182254d944bd50d36bb7fb8
[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" "14e2bca63b07a8dd4a3147f408e5a66f410606a01182254d944bd50d36bb7fb8", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `OsStr`
[INFO] [stderr]  --> src/run.rs:3:16
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::ffi::{OsStr, OsString};
[INFO] [stderr]   |                ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Fail`, `Warn`
[INFO] [stderr]   --> src/run.rs:14:28
[INFO] [stderr]    |
[INFO] [stderr] 14 | use crate::message::{self, Fail, Warn};
[INFO] [stderr]    |                            ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `compute`
[INFO] [stderr]   --> src/diff.rs:72:16
[INFO] [stderr]    |
[INFO] [stderr] 72 |         pub fn compute(_expected: &str, _actual: &str) -> Option<Self> {
[INFO] [stderr]    |                ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Mismatch`
[INFO] [stderr]   --> src/error.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Mismatch,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ReadStderr`
[INFO] [stderr]   --> src/error.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     ReadStderr(io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ShouldNotHaveCompiled`
[INFO] [stderr]   --> src/error.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     ShouldNotHaveCompiled,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WriteStderr`
[INFO] [stderr]   --> src/error.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     WriteStderr(io::Error),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Level`
[INFO] [stderr]   --> src/message.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) enum Level {
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `should_not_have_compiled`
[INFO] [stderr]   --> src/message.rs:90:15
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub(crate) fn should_not_have_compiled() {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_stderr_wip`
[INFO] [stderr]   --> src/message.rs:99:15
[INFO] [stderr]    |
[INFO] [stderr] 99 | pub(crate) fn write_stderr_wip(wip_path: &Path, stderr_path: &Path, stderr: &str) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `overwrite_stderr`
[INFO] [stderr]    --> src/message.rs:117:15
[INFO] [stderr]     |
[INFO] [stderr] 117 | pub(crate) fn overwrite_stderr(stderr_path: &Path, stderr: &str) {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `mismatch`
[INFO] [stderr]    --> src/message.rs:130:15
[INFO] [stderr]     |
[INFO] [stderr] 130 | pub(crate) fn mismatch(expected: &str, actual: &str) {
[INFO] [stderr]     |               ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `fail_output`
[INFO] [stderr]    --> src/message.rs:195:15
[INFO] [stderr]     |
[INFO] [stderr] 195 | pub(crate) fn fail_output(level: Level, stdout: &[u8]) {
[INFO] [stderr]     |               ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `any`
[INFO] [stderr]   --> src/normalize.rs:62:12
[INFO] [stderr]    |
[INFO] [stderr] 62 |     pub fn any<F: FnMut(&str) -> bool>(&self, mut f: F) -> bool {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `update`
[INFO] [stderr]   --> src/run.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     update: Update,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `kaos` (lib) generated 15 warnings
[INFO] [stderr] warning: `kaos` (lib test) generated 15 warnings (15 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kaos-85601ba7e02387f0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] potato
[INFO] [stdout] test macros::macro_tests::kaostest ... ok
[INFO] [stderr]    Doc-tests kaos
[INFO] [stdout] test path::test_path_macro ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 95) ... ok
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.19s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "14e2bca63b07a8dd4a3147f408e5a66f410606a01182254d944bd50d36bb7fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e2bca63b07a8dd4a3147f408e5a66f410606a01182254d944bd50d36bb7fb8", kill_on_drop: false }`
[INFO] [stdout] 14e2bca63b07a8dd4a3147f408e5a66f410606a01182254d944bd50d36bb7fb8