[INFO] fetching crate pelt 0.1.0...
[INFO] checking pelt-0.1.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate pelt 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pelt 0.1.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pelt 0.1.0
[INFO] finished tweaking crates.io crate pelt 0.1.0
[INFO] tweaked toml for crates.io crate pelt 0.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate pelt 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5bebd672247e39a542d8834c7a27cd15298c40f7e37ad1a023162a9f0292cc7
[INFO] running `Command { std: "docker" "start" "-a" "b5bebd672247e39a542d8834c7a27cd15298c40f7e37ad1a023162a9f0292cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5bebd672247e39a542d8834c7a27cd15298c40f7e37ad1a023162a9f0292cc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5bebd672247e39a542d8834c7a27cd15298c40f7e37ad1a023162a9f0292cc7", kill_on_drop: false }`
[INFO] [stdout] b5bebd672247e39a542d8834c7a27cd15298c40f7e37ad1a023162a9f0292cc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f43cc543f33466713cf1ca8d080315d10a16666234f18fbc8734f0b63ed11df1
[INFO] running `Command { std: "docker" "start" "-a" "f43cc543f33466713cf1ca8d080315d10a16666234f18fbc8734f0b63ed11df1", kill_on_drop: false }`
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking pelt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/alg.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |                 .filter(|(t, sum_loss)| sum_loss < &(loss_current_part))
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sum_loss`
[INFO] [stdout]    --> src/alg.rs:141:27
[INFO] [stdout]     |
[INFO] [stdout] 141 |                 .map(|(t, sum_loss)| *t)
[INFO] [stdout]     |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sum_loss`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]    --> src/alg.rs:145:57
[INFO] [stdout]     |
[INFO] [stdout] 145 |         let mut cp: Vec<usize> = best_part.keys().map(|(start, end)| *end).collect();
[INFO] [stdout]     |                                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `log_pdf` in this scope
[INFO] [stdout]   --> src/cost.rs:72:20
[INFO] [stdout]    |
[INFO] [stdout] 72 |         assert_eq!(log_pdf(2., 0., 1.), -2.9189385332046727);
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `log_pdf` in this scope
[INFO] [stdout]   --> src/cost.rs:73:20
[INFO] [stdout]    |
[INFO] [stdout] 73 |         assert_eq!(log_pdf(5., -1., 3.), -4.017550821872782)
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/cost.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `nlogn_median`
[INFO] [stdout]   --> src/cost.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn nlogn_median(numbers: &[f64]) -> Option<f64> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pelt`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f43cc543f33466713cf1ca8d080315d10a16666234f18fbc8734f0b63ed11df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43cc543f33466713cf1ca8d080315d10a16666234f18fbc8734f0b63ed11df1", kill_on_drop: false }`
[INFO] [stdout] f43cc543f33466713cf1ca8d080315d10a16666234f18fbc8734f0b63ed11df1