[INFO] cloning repository https://github.com/StefanoChiodino/rust-shell
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/StefanoChiodino/rust-shell" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStefanoChiodino%2Frust-shell", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStefanoChiodino%2Frust-shell'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32f3248d397ef616ac5143e465be2db74dda00e2
[INFO] checking StefanoChiodino/rust-shell against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FStefanoChiodino%2Frust-shell" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/StefanoChiodino/rust-shell on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/StefanoChiodino/rust-shell
[INFO] finished tweaking git repo https://github.com/StefanoChiodino/rust-shell
[INFO] tweaked toml for git repo https://github.com/StefanoChiodino/rust-shell written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/StefanoChiodino/rust-shell already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4974a6d381df835531e1bfe8c5a74589a29fe3b137cb967716ada531dc81f94f
[INFO] running `Command { std: "docker" "start" "-a" "4974a6d381df835531e1bfe8c5a74589a29fe3b137cb967716ada531dc81f94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4974a6d381df835531e1bfe8c5a74589a29fe3b137cb967716ada531dc81f94f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4974a6d381df835531e1bfe8c5a74589a29fe3b137cb967716ada531dc81f94f", kill_on_drop: false }`
[INFO] [stdout] 4974a6d381df835531e1bfe8c5a74589a29fe3b137cb967716ada531dc81f94f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 225c0e0945d1c5cc1576e90d0f3157c99e4c2c1a3f1d23ef7cd4de286cc3d7bd
[INFO] running `Command { std: "docker" "start" "-a" "225c0e0945d1c5cc1576e90d0f3157c99e4c2c1a3f1d23ef7cd4de286cc3d7bd", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rust-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{stdout, stdin, Write, Read};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/main.rs:1:37
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{stdout, stdin, Write, Read};
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::hash_map::RandomState`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::hash_map::RandomState;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.16s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "225c0e0945d1c5cc1576e90d0f3157c99e4c2c1a3f1d23ef7cd4de286cc3d7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "225c0e0945d1c5cc1576e90d0f3157c99e4c2c1a3f1d23ef7cd4de286cc3d7bd", kill_on_drop: false }`
[INFO] [stdout] 225c0e0945d1c5cc1576e90d0f3157c99e4c2c1a3f1d23ef7cd4de286cc3d7bd