[INFO] fetching crate kurobako 0.2.10... [INFO] checking kurobako-0.2.10 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] extracting crate kurobako 0.2.10 into /workspace/builds/worker-2-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kurobako 0.2.10 on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4afe9f6f3334842b56dfc8755af4fda093d9c152c54f5f8a129a6293ddf84039 [INFO] running `Command { std: "docker" "start" "-a" "4afe9f6f3334842b56dfc8755af4fda093d9c152c54f5f8a129a6293ddf84039", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4afe9f6f3334842b56dfc8755af4fda093d9c152c54f5f8a129a6293ddf84039", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4afe9f6f3334842b56dfc8755af4fda093d9c152c54f5f8a129a6293ddf84039", kill_on_drop: false }` [INFO] [stdout] 4afe9f6f3334842b56dfc8755af4fda093d9c152c54f5f8a129a6293ddf84039 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd107816bbb3a62b2deec9e64f89eff8f10180d9a4d8225c4c9b78152061d169 [INFO] running `Command { std: "docker" "start" "-a" "fd107816bbb3a62b2deec9e64f89eff8f10180d9a4d8225c4c9b78152061d169", 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] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking getrandom v0.2.6 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [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 build_const v0.2.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Compiling crc v1.8.1 [INFO] [stderr] Checking rand_core v0.5.1 [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 rand_chacha v0.3.1 [INFO] [stderr] Checking fastrand v1.7.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking md5 v0.7.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking block-buffer v0.9.0 [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 regex v1.5.5 [INFO] [stderr] Checking ordered-float v2.10.0 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking rand_distr v0.3.0 [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 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 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 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> { [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>> { [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/markdown.rs:19:20 [INFO] [stdout] | [INFO] [stdout] 19 | pub fn heading(&mut self, s: &str) -> Result> { [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> { [INFO] [stdout] | +++ [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> { [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>> { [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> { [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> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.79s [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" "fd107816bbb3a62b2deec9e64f89eff8f10180d9a4d8225c4c9b78152061d169", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd107816bbb3a62b2deec9e64f89eff8f10180d9a4d8225c4c9b78152061d169", kill_on_drop: false }` [INFO] [stdout] fd107816bbb3a62b2deec9e64f89eff8f10180d9a4d8225c4c9b78152061d169