[INFO] cloning repository https://github.com/fearschism/Filerust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fearschism/Filerust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffearschism%2FFilerust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffearschism%2FFilerust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46a55a39a39cfe9ba0b5c94daec0fdb8b9b4bfc8
[INFO] checking fearschism/Filerust against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffearschism%2FFilerust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fearschism/Filerust on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fearschism/Filerust
[INFO] finished tweaking git repo https://github.com/fearschism/Filerust
[INFO] tweaked toml for git repo https://github.com/fearschism/Filerust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fearschism/Filerust 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded open v2.1.2
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7465090efaf748fbcc36306b50195eae361b584a6cb8f793557a70e920147ec6
[INFO] running `Command { std: "docker" "start" "-a" "7465090efaf748fbcc36306b50195eae361b584a6cb8f793557a70e920147ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7465090efaf748fbcc36306b50195eae361b584a6cb8f793557a70e920147ec6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7465090efaf748fbcc36306b50195eae361b584a6cb8f793557a70e920147ec6", kill_on_drop: false }`
[INFO] [stdout] 7465090efaf748fbcc36306b50195eae361b584a6cb8f793557a70e920147ec6
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e083ed63b84d0605d2bb34c5f8e66db0d1b28eccc8994e3cd684e7715ef342ff
[INFO] running `Command { std: "docker" "start" "-a" "e083ed63b84d0605d2bb34c5f8e66db0d1b28eccc8994e3cd684e7715ef342ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]     Checking pathdiff v0.2.1
[INFO] [stderr]     Checking open v2.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking tut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fs, path};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Error`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `path`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{fs, path};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |        let mut input_trimmed = input.trim();
[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: module `Read` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Read;
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Read` should have a snake case name
[INFO] [stdout]  --> src/Read/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Read;
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |        let mut input_trimmed = input.trim();
[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: module `Read` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Read;
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `Read` should have a snake case name
[INFO] [stdout]  --> src/Read/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod Read;
[INFO] [stdout]   |         ^^^^ help: convert the identifier to snake case: `read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "e083ed63b84d0605d2bb34c5f8e66db0d1b28eccc8994e3cd684e7715ef342ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e083ed63b84d0605d2bb34c5f8e66db0d1b28eccc8994e3cd684e7715ef342ff", kill_on_drop: false }`
[INFO] [stdout] e083ed63b84d0605d2bb34c5f8e66db0d1b28eccc8994e3cd684e7715ef342ff