[INFO] cloning repository https://github.com/MaxenceHanin/Mwanamke
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MaxenceHanin/Mwanamke" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxenceHanin%2FMwanamke", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxenceHanin%2FMwanamke'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f99ac47b1a82a4de616a8794ca8169189dbd9bca
[INFO] checking MaxenceHanin/Mwanamke against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxenceHanin%2FMwanamke" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MaxenceHanin/Mwanamke on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MaxenceHanin/Mwanamke
[INFO] finished tweaking git repo https://github.com/MaxenceHanin/Mwanamke
[INFO] tweaked toml for git repo https://github.com/MaxenceHanin/Mwanamke written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MaxenceHanin/Mwanamke 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 562544dc3edf43f47cfe4996170be52510d0ea3c35b0f58cf137420986c9b93a
[INFO] running `Command { std: "docker" "start" "-a" "562544dc3edf43f47cfe4996170be52510d0ea3c35b0f58cf137420986c9b93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "562544dc3edf43f47cfe4996170be52510d0ea3c35b0f58cf137420986c9b93a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562544dc3edf43f47cfe4996170be52510d0ea3c35b0f58cf137420986c9b93a", kill_on_drop: false }`
[INFO] [stdout] 562544dc3edf43f47cfe4996170be52510d0ea3c35b0f58cf137420986c9b93a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aba943b9598b4bb94e45e1a3e00795e10f15c979acb051810d75553ebbcbd473
[INFO] running `Command { std: "docker" "start" "-a" "aba943b9598b4bb94e45e1a3e00795e10f15c979acb051810d75553ebbcbd473", kill_on_drop: false }`
[INFO] [stderr]     Checking lib-mwanamke v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] error[E0428]: the name `bounds` is defined multiple times
[INFO] [stdout]  --> lib/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod bounds;
[INFO] [stdout]   | --------------- previous definition of the module `bounds` here
[INFO] [stdout] ...
[INFO] [stdout] 5 | pub mod bounds;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^ `bounds` redefined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `bounds` must be defined only once in the type namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> lib/src/checker.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> lib/src/evac.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/af4a5a13a15fa0c60e06321077ef452f769b42fd/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> lib/src/bounds.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut res = Vec::new();
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nb` is never read
[INFO] [stdout]   --> lib/src/bounds.rs:82:13
[INFO] [stdout]    |
[INFO] [stdout] 82 |     let mut nb =0;
[INFO] [stdout]    |             ^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `max_ev_rate` is never read
[INFO] [stdout]   --> lib/src/bounds.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut max_ev_rate =(0,0);
[INFO] [stdout]    |             ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0428`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lib-mwanamke` (lib) due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "aba943b9598b4bb94e45e1a3e00795e10f15c979acb051810d75553ebbcbd473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba943b9598b4bb94e45e1a3e00795e10f15c979acb051810d75553ebbcbd473", kill_on_drop: false }`
[INFO] [stdout] aba943b9598b4bb94e45e1a3e00795e10f15c979acb051810d75553ebbcbd473