[INFO] fetching crate kurobako 0.2.10...
[INFO] checking kurobako-0.2.10 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate kurobako 0.2.10 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate kurobako 0.2.10
[INFO] finished tweaking crates.io crate kurobako 0.2.10
[INFO] tweaked toml for crates.io crate kurobako 0.2.10 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kurobako 0.2.10 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kurobako 0.2.10 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded randomforest v0.1.6
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded rustats v0.1.2
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded rand_distr v0.3.0
[INFO] [stderr]   Downloaded nasbench v0.1.2
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded protobuf_codec v0.2.8
[INFO] [stderr]   Downloaded libm v0.2.2
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded kurobako_core v0.1.12
[INFO] [stderr]   Downloaded yamakan v0.2.0
[INFO] [stderr]   Downloaded bytecodec v0.4.15
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded hdf5file v0.1.1
[INFO] [stderr]   Downloaded kurobako_problems v0.1.14
[INFO] [stderr]   Downloaded kurobako_solvers v0.2.2
[INFO] [stderr]   Downloaded rlua v0.17.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5522b0247ce6c476789648ba93e4d52e907648a7b6c2f5f40df3b31800bbf8d
[INFO] running `Command { std: "docker" "start" "-a" "b5522b0247ce6c476789648ba93e4d52e907648a7b6c2f5f40df3b31800bbf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5522b0247ce6c476789648ba93e4d52e907648a7b6c2f5f40df3b31800bbf8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5522b0247ce6c476789648ba93e4d52e907648a7b6c2f5f40df3b31800bbf8d", kill_on_drop: false }`
[INFO] [stdout] b5522b0247ce6c476789648ba93e4d52e907648a7b6c2f5f40df3b31800bbf8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78829dc1634a39a90b5454b82743b917c83ee0370b56ef29c30c51a07867222f
[INFO] running `Command { std: "docker" "start" "-a" "78829dc1634a39a90b5454b82743b917c83ee0370b56ef29c30c51a07867222f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking rand_distr v0.3.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking rustats v0.1.2
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking hdf5file v0.1.1
[INFO] [stderr]     Checking yamakan v0.2.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking randomforest v0.1.6
[INFO] [stderr]     Checking protobuf_codec v0.2.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking kurobako_core v0.1.12
[INFO] [stderr]     Checking nasbench v0.1.2
[INFO] [stderr]     Checking kurobako_problems v0.1.14
[INFO] [stderr]     Checking kurobako_solvers v0.2.2
[INFO] [stderr]     Checking kurobako v0.2.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `BestValues` is never constructed
[INFO] [stdout]    --> src/plot/curve.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 | struct BestValues {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/report.rs:426:17
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn contests(&self) -> Result<BTreeMap<String, Contest>> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here ^^^^^^^ the same lifetime is hidden 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] 426 |     fn contests(&self) -> Result<BTreeMap<String, Contest<'_>>> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/markdown.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn heading(&mut self, s: &str) -> Result<MarkdownWriter<W>> {
[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] 19 |     pub fn heading(&mut self, s: &str) -> Result<MarkdownWriter<'_, W>> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BestValues` is never constructed
[INFO] [stdout]    --> src/plot/curve.rs:364:8
[INFO] [stdout]     |
[INFO] [stdout] 364 | struct BestValues {}
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/report.rs:426:17
[INFO] [stdout]     |
[INFO] [stdout] 426 |     fn contests(&self) -> Result<BTreeMap<String, Contest>> {
[INFO] [stdout]     |                 ^^^^^ the lifetime is elided here ^^^^^^^ the same lifetime is hidden 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] 426 |     fn contests(&self) -> Result<BTreeMap<String, Contest<'_>>> {
[INFO] [stdout]     |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/markdown.rs:19:20
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn heading(&mut self, s: &str) -> Result<MarkdownWriter<W>> {
[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] 19 |     pub fn heading(&mut self, s: &str) -> Result<MarkdownWriter<'_, W>> {
[INFO] [stdout]    |                                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.52s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rlua v0.17.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "78829dc1634a39a90b5454b82743b917c83ee0370b56ef29c30c51a07867222f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78829dc1634a39a90b5454b82743b917c83ee0370b56ef29c30c51a07867222f", kill_on_drop: false }`
[INFO] [stdout] 78829dc1634a39a90b5454b82743b917c83ee0370b56ef29c30c51a07867222f
