[INFO] fetching crate memega 0.1.0...
[INFO] testing memega-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate memega 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate memega 0.1.0
[INFO] finished tweaking crates.io crate memega 0.1.0
[INFO] tweaked toml for crates.io crate memega 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate memega 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate memega 0.1.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memestat v0.1.0
[INFO] [stderr]   Downloaded strum v0.24.0
[INFO] [stderr]   Downloaded average v0.13.1
[INFO] [stderr]   Downloaded float-pretty-print v0.1.1
[INFO] [stderr]   Downloaded easy-cast v0.4.4
[INFO] [stderr]   Downloaded strum_macros v0.24.0
[INFO] [stderr]   Downloaded eyre v0.6.7
[INFO] [stderr]   Downloaded mathru v0.12.0
[INFO] [stderr]   Downloaded color-eyre v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ac77e6075b80ab7363324971b847b7cb930e5080ef77aa17a858f9b647dad5d
[INFO] running `Command { std: "docker" "start" "-a" "4ac77e6075b80ab7363324971b847b7cb930e5080ef77aa17a858f9b647dad5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ac77e6075b80ab7363324971b847b7cb930e5080ef77aa17a858f9b647dad5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ac77e6075b80ab7363324971b847b7cb930e5080ef77aa17a858f9b647dad5d", kill_on_drop: false }`
[INFO] [stdout] 4ac77e6075b80ab7363324971b847b7cb930e5080ef77aa17a858f9b647dad5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6372f61d926f8c449cffc20ec425f1b4fbc9368da3ccf7342f3bbec18bd6c750
[INFO] running `Command { std: "docker" "start" "-a" "6372f61d926f8c449cffc20ec425f1b4fbc9368da3ccf7342f3bbec18bd6c750", kill_on_drop: false }`
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[INFO] [stderr]    Compiling pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling rand_distr v0.4.3
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling concurrent_lru v0.2.0
[INFO] [stderr]    Compiling float-pretty-print v0.1.1
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling strum v0.24.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling strum_macros v0.24.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling num_enum_derive v0.5.7
[INFO] [stderr]    Compiling memestat v0.1.0
[INFO] [stderr]    Compiling num_enum v0.5.7
[INFO] [stderr]    Compiling memega v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `is_sorted` has been stable since 1.82.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![feature(array_chunks, is_sorted, trait_alias)]
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `array_chunks`
[INFO] [stdout]   --> src/lib.rs:37:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | #![feature(array_chunks, is_sorted, trait_alias)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `array_chunks` found for struct `SmallVec<[usize; 4]>` in the current scope
[INFO] [stdout]    --> src/ops/crossover.rs:200:30
[INFO] [stdout]     |
[INFO] [stdout] 200 |     for &[st, en] in xpoints.array_chunks::<2>() {
[INFO] [stdout]     |                              ^^^^^^^^^^^^ `SmallVec<[usize; 4]>` is not an iterator
[INFO] [stdout]     |
[INFO] [stdout] help: call `.into_iter()` first
[INFO] [stdout]     |
[INFO] [stdout] 200 |     for &[st, en] in xpoints.into_iter().array_chunks::<2>() {
[INFO] [stdout]     |                              ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memega` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6372f61d926f8c449cffc20ec425f1b4fbc9368da3ccf7342f3bbec18bd6c750", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6372f61d926f8c449cffc20ec425f1b4fbc9368da3ccf7342f3bbec18bd6c750", kill_on_drop: false }`
[INFO] [stdout] 6372f61d926f8c449cffc20ec425f1b4fbc9368da3ccf7342f3bbec18bd6c750