[INFO] cloning repository https://github.com/agustinbravop/statistics-helper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agustinbravop/statistics-helper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagustinbravop%2Fstatistics-helper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagustinbravop%2Fstatistics-helper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9cf7117ad5b1ca38a127d02414244503c771997
[INFO] checking agustinbravop/statistics-helper against master#e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682 for beta-170-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagustinbravop%2Fstatistics-helper" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/agustinbravop/statistics-helper on toolchain e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/agustinbravop/statistics-helper
[INFO] finished tweaking git repo https://github.com/agustinbravop/statistics-helper
[INFO] tweaked toml for git repo https://github.com/agustinbravop/statistics-helper written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/agustinbravop/statistics-helper 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" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce1715f164a8bd2e8bbb6838e0307abd7e052d64c998707a832085f99182cb12
[INFO] running `Command { std: "docker" "start" "-a" "ce1715f164a8bd2e8bbb6838e0307abd7e052d64c998707a832085f99182cb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce1715f164a8bd2e8bbb6838e0307abd7e052d64c998707a832085f99182cb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce1715f164a8bd2e8bbb6838e0307abd7e052d64c998707a832085f99182cb12", kill_on_drop: false }`
[INFO] [stdout] ce1715f164a8bd2e8bbb6838e0307abd7e052d64c998707a832085f99182cb12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+e6e4f7ed1589e03bc2f6c5931c1a72e7947e8682" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc3650387cdac83032702c841f6d5c5b42f12d7ea5f1ba532a9be6927187ab34
[INFO] running `Command { std: "docker" "start" "-a" "cc3650387cdac83032702c841f6d5c5b42f12d7ea5f1ba532a9be6927187ab34", kill_on_drop: false }`
[INFO] [stderr]     Checking statistics-helper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `i32: From<u32>` is not satisfied
[INFO] [stdout]   --> src/main.rs:17:52
[INFO] [stdout]    |
[INFO] [stdout] 17 |         || intervals_by_sturges(nums.len() as f32).into()
[INFO] [stdout]    |                                                    ^^^^ the trait `From<u32>` is not implemented for `i32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <i32 as From<NonZeroI32>>
[INFO] [stdout]              <i32 as From<bool>>
[INFO] [stdout]              <i32 as From<i16>>
[INFO] [stdout]              <i32 as From<i8>>
[INFO] [stdout]              <i32 as From<u16>>
[INFO] [stdout]              <i32 as From<u8>>
[INFO] [stdout]    = note: required for `u32` to implement `Into<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `i32: From<u32>` is not satisfied
[INFO] [stdout]   --> src/main.rs:17:52
[INFO] [stdout]    |
[INFO] [stdout] 17 |         || intervals_by_sturges(nums.len() as f32).into()
[INFO] [stdout]    |                                                    ^^^^ the trait `From<u32>` is not implemented for `i32`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `From<T>`:
[INFO] [stdout]              <i32 as From<NonZeroI32>>
[INFO] [stdout]              <i32 as From<bool>>
[INFO] [stdout]              <i32 as From<i16>>
[INFO] [stdout]              <i32 as From<i8>>
[INFO] [stdout]              <i32 as From<u16>>
[INFO] [stdout]              <i32 as From<u8>>
[INFO] [stdout]    = note: required for `u32` to implement `Into<i32>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:30:46
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn group_numbers(nums: Vec<f32>, ni: i32) -> GroupedData<f32> {
[INFO] [stdout]    |    -------------                             ^^^^^^^^^^^^^^^^ expected `GroupedData<f32>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `GroupedData<f32>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:30:46
[INFO] [stdout]    |
[INFO] [stdout] 30 | fn group_numbers(nums: Vec<f32>, ni: i32) -> GroupedData<f32> {
[INFO] [stdout]    |    -------------                             ^^^^^^^^^^^^^^^^ expected `GroupedData<f32>`, found `()`
[INFO] [stdout]    |    |
[INFO] [stdout]    |    implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `GroupedData<f32>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `statistics-helper` (bin "statistics-helper") due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `statistics-helper` (bin "statistics-helper" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "cc3650387cdac83032702c841f6d5c5b42f12d7ea5f1ba532a9be6927187ab34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc3650387cdac83032702c841f6d5c5b42f12d7ea5f1ba532a9be6927187ab34", kill_on_drop: false }`
[INFO] [stdout] cc3650387cdac83032702c841f6d5c5b42f12d7ea5f1ba532a9be6927187ab34
