[INFO] fetching crate hash_limette 0.1.4...
[INFO] checking hash_limette-0.1.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate hash_limette 0.1.4 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate hash_limette 0.1.4
[INFO] finished tweaking crates.io crate hash_limette 0.1.4
[INFO] tweaked toml for crates.io crate hash_limette 0.1.4 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hash_limette 0.1.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate hash_limette 0.1.4 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1cc818a84d79379ea561fe1c0dd0829549ace74d6362456163062f69a9f622df
[INFO] running `Command { std: "docker" "start" "-a" "1cc818a84d79379ea561fe1c0dd0829549ace74d6362456163062f69a9f622df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc818a84d79379ea561fe1c0dd0829549ace74d6362456163062f69a9f622df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc818a84d79379ea561fe1c0dd0829549ace74d6362456163062f69a9f622df", kill_on_drop: false }`
[INFO] [stdout] 1cc818a84d79379ea561fe1c0dd0829549ace74d6362456163062f69a9f622df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3778320dc37ae2aca8fbfa662b0362c330b7f91edf45882dabbdb0cf15ac03eb
[INFO] running `Command { std: "docker" "start" "-a" "3778320dc37ae2aca8fbfa662b0362c330b7f91edf45882dabbdb0cf15ac03eb", kill_on_drop: false }`
[INFO] [stderr]     Checking base64 v0.21.2
[INFO] [stderr]     Checking hash_limette v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `alphabet` and `self`
[INFO] [stdout]  --> src/lib.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base64::{Engine as _, engine::{self, general_purpose}, alphabet};
[INFO] [stdout]   |                                    ^^^^                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `alphabet` and `self`
[INFO] [stdout]  --> src/lib.rs:2:36
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base64::{Engine as _, engine::{self, general_purpose}, alphabet};
[INFO] [stdout]   |                                    ^^^^                    ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Args`
[INFO] [stdout]  --> src/main.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env::{self, Args}, process::exit, ops::Not};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Args`
[INFO] [stdout]  --> src/main.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{env::{self, Args}, process::exit, ops::Not};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "3778320dc37ae2aca8fbfa662b0362c330b7f91edf45882dabbdb0cf15ac03eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3778320dc37ae2aca8fbfa662b0362c330b7f91edf45882dabbdb0cf15ac03eb", kill_on_drop: false }`
[INFO] [stdout] 3778320dc37ae2aca8fbfa662b0362c330b7f91edf45882dabbdb0cf15ac03eb