[INFO] fetching crate kurobako 0.2.10...
[INFO] checking kurobako-0.2.10 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate kurobako 0.2.10 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kurobako 0.2.10 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded cpufeatures v0.2.2
[INFO] [stderr]   Downloaded opaque-debug v0.3.0
[INFO] [stderr]   Downloaded trackable v1.2.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded rustats v0.1.2
[INFO] [stderr]   Downloaded trackable v0.2.24
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded rand_distr v0.3.0
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[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded rawpointer v0.1.0
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[INFO] [stderr]   Downloaded terminal_size v0.1.17
[INFO] [stderr]   Downloaded console v0.15.0
[INFO] [stderr]   Downloaded protobuf_codec v0.2.8
[INFO] [stderr]   Downloaded rand_core v0.6.3
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[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded ndarray v0.12.1
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded libm v0.2.2
[INFO] [stderr]   Downloaded rlua v0.17.1
[INFO] [stderr]   Downloaded itertools v0.10.3
[INFO] [stderr]   Downloaded ordered-float v2.10.0
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded kurobako_core v0.1.12
[INFO] [stderr]   Downloaded num-iter v0.1.42
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded randomforest v0.1.6
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded kurobako_problems v0.1.14
[INFO] [stderr]   Downloaded kurobako_solvers v0.2.2
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded nasbench v0.1.2
[INFO] [stderr]   Downloaded yamakan v0.2.0
[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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1514fcc9b2b2f37ec3a226cfabe77cfa6c911a70467531d6ec533a227430a893
[INFO] running `Command { std: "docker" "start" "-a" "1514fcc9b2b2f37ec3a226cfabe77cfa6c911a70467531d6ec533a227430a893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1514fcc9b2b2f37ec3a226cfabe77cfa6c911a70467531d6ec533a227430a893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1514fcc9b2b2f37ec3a226cfabe77cfa6c911a70467531d6ec533a227430a893", kill_on_drop: false }`
[INFO] [stdout] 1514fcc9b2b2f37ec3a226cfabe77cfa6c911a70467531d6ec533a227430a893
[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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 86066aae884ec73755e42b7b2e2ae41e8b3729e0dd2265a80666ca8be45a9fa3
[INFO] running `Command { std: "docker" "start" "-a" "86066aae884ec73755e42b7b2e2ae41e8b3729e0dd2265a80666ca8be45a9fa3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
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[INFO] [stderr]     Checking rawpointer v0.1.0
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[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]     Checking itertools v0.7.11
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[INFO] [stderr]     Checking regex-syntax v0.6.25
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking rand v0.7.3
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[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking ordered-float v2.10.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_distr v0.3.0
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[INFO] [stderr]     Checking rustats v0.1.2
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking trackable v1.2.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15
[INFO] [stderr]     Checking yamakan v0.2.0
[INFO] [stderr]     Checking hdf5file v0.1.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking randomforest v0.1.6
[INFO] [stderr]     Checking structopt v0.3.26
[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 34.03s
[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 2`
[INFO] running `Command { std: "docker" "inspect" "86066aae884ec73755e42b7b2e2ae41e8b3729e0dd2265a80666ca8be45a9fa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86066aae884ec73755e42b7b2e2ae41e8b3729e0dd2265a80666ca8be45a9fa3", kill_on_drop: false }`
[INFO] [stdout] 86066aae884ec73755e42b7b2e2ae41e8b3729e0dd2265a80666ca8be45a9fa3
