[INFO] cloning repository https://github.com/Ndeta100/learn_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ndeta100/learn_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNdeta100%2Flearn_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNdeta100%2Flearn_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6fc40954931cc07774da6caa3c49f52b838ea59
[INFO] checking Ndeta100/learn_rust against try#3298c2ca5e390fd0d104357fdeec514a152a9561 for pr-136490
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNdeta100%2Flearn_rust" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ndeta100/learn_rust on toolchain 3298c2ca5e390fd0d104357fdeec514a152a9561
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ndeta100/learn_rust
[INFO] finished tweaking git repo https://github.com/Ndeta100/learn_rust
[INFO] tweaked toml for git repo https://github.com/Ndeta100/learn_rust written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ndeta100/learn_rust 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" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef747f4482e9f28ceb3ee2ddde54558c3b65ce66dbedd58f0461b1cecb7c256b
[INFO] running `Command { std: "docker" "start" "-a" "ef747f4482e9f28ceb3ee2ddde54558c3b65ce66dbedd58f0461b1cecb7c256b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef747f4482e9f28ceb3ee2ddde54558c3b65ce66dbedd58f0461b1cecb7c256b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef747f4482e9f28ceb3ee2ddde54558c3b65ce66dbedd58f0461b1cecb7c256b", kill_on_drop: false }`
[INFO] [stdout] ef747f4482e9f28ceb3ee2ddde54558c3b65ce66dbedd58f0461b1cecb7c256b
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+3298c2ca5e390fd0d104357fdeec514a152a9561" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 001d459e89f09293cb3f04287628480cbb756f8d4a1a78755df32f67768e0fc0
[INFO] running `Command { std: "docker" "start" "-a" "001d459e89f09293cb3f04287628480cbb756f8d4a1a78755df32f67768e0fc0", kill_on_drop: false }`
[INFO] [stderr]     Checking learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]  --> src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let secret_number = rand::thread_rng().gen_range(1..100);
[INFO] [stdout]   |                         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `rand`
[INFO] [stdout]  --> src/main.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let secret_number = rand::thread_rng().gen_range(1..100);
[INFO] [stdout]   |                         ^^^^ use of unresolved module or unlinked crate `rand`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `rand`, use `cargo add rand` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learn_rust` (bin "learn_rust") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `learn_rust` (bin "learn_rust" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "001d459e89f09293cb3f04287628480cbb756f8d4a1a78755df32f67768e0fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "001d459e89f09293cb3f04287628480cbb756f8d4a1a78755df32f67768e0fc0", kill_on_drop: false }`
[INFO] [stdout] 001d459e89f09293cb3f04287628480cbb756f8d4a1a78755df32f67768e0fc0