[INFO] cloning repository https://github.com/NiklasEi/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NiklasEi/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasEi%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasEi%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a5327dbb36369c5ca8ea1d0ec681fd0032e8aae
[INFO] checking NiklasEi/minigrep against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNiklasEi%2Fminigrep" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NiklasEi/minigrep
[INFO] finished tweaking git repo https://github.com/NiklasEi/minigrep
[INFO] tweaked toml for git repo https://github.com/NiklasEi/minigrep written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NiklasEi/minigrep on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NiklasEi/minigrep 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24285f6d62c5682e20edcddc993183c6bd8e369f3dfce89e70458fff21168b3b
[INFO] running `Command { std: "docker" "start" "-a" "24285f6d62c5682e20edcddc993183c6bd8e369f3dfce89e70458fff21168b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24285f6d62c5682e20edcddc993183c6bd8e369f3dfce89e70458fff21168b3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24285f6d62c5682e20edcddc993183c6bd8e369f3dfce89e70458fff21168b3b", kill_on_drop: false }`
[INFO] [stdout] 24285f6d62c5682e20edcddc993183c6bd8e369f3dfce89e70458fff21168b3b
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e5043da77924e4ae2bfc19bd9d95c0ea40b3bfc6a568e87231f87fac20066db
[INFO] running `Command { std: "docker" "start" "-a" "4e5043da77924e4ae2bfc19bd9d95c0ea40b3bfc6a568e87231f87fac20066db", kill_on_drop: false }`
[INFO] [stderr]     Checking minigrep v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `env`
[INFO] [stdout]   --> src/lib.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let case_sensitive = env::var("CASE_INSENSITIVE").is_err();
[INFO] [stdout]    |                              ^^^ use of unresolved module or unlinked crate `env`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `env`, use `cargo add env` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::env;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `env`
[INFO] [stdout]   --> src/lib.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let case_sensitive = env::var("CASE_INSENSITIVE").is_err();
[INFO] [stdout]    |                              ^^^ use of unresolved module or unlinked crate `env`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `env`, use `cargo add env` to add it to your `Cargo.toml`
[INFO] [stdout] help: consider importing this module
[INFO] [stdout]    |
[INFO] [stdout]  1 + use std::env;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minigrep` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `minigrep` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "4e5043da77924e4ae2bfc19bd9d95c0ea40b3bfc6a568e87231f87fac20066db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e5043da77924e4ae2bfc19bd9d95c0ea40b3bfc6a568e87231f87fac20066db", kill_on_drop: false }`
[INFO] [stdout] 4e5043da77924e4ae2bfc19bd9d95c0ea40b3bfc6a568e87231f87fac20066db