[INFO] cloning repository https://github.com/masa-matt/rust-tutrial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masa-matt/rust-tutrial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasa-matt%2Frust-tutrial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasa-matt%2Frust-tutrial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f572f11c89d483c1e75e90de7350b967c35b7b45
[INFO] checking masa-matt/rust-tutrial against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasa-matt%2Frust-tutrial" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masa-matt/rust-tutrial on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/masa-matt/rust-tutrial
[INFO] finished tweaking git repo https://github.com/masa-matt/rust-tutrial
[INFO] tweaked toml for git repo https://github.com/masa-matt/rust-tutrial written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/masa-matt/rust-tutrial 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" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.19.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13d9fea72eb3abf57508f8a4e97a68160f21c26ab151b3d3a6dfb468305eeb92
[INFO] running `Command { std: "docker" "start" "-a" "13d9fea72eb3abf57508f8a4e97a68160f21c26ab151b3d3a6dfb468305eeb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13d9fea72eb3abf57508f8a4e97a68160f21c26ab151b3d3a6dfb468305eeb92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d9fea72eb3abf57508f8a4e97a68160f21c26ab151b3d3a6dfb468305eeb92", kill_on_drop: false }`
[INFO] [stdout] 13d9fea72eb3abf57508f8a4e97a68160f21c26ab151b3d3a6dfb468305eeb92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60bc1f902660a38620ad42550c814d55b6a7c5308366961baa6321c4ffa4b603
[INFO] running `Command { std: "docker" "start" "-a" "60bc1f902660a38620ad42550c814d55b6a7c5308366961baa6321c4ffa4b603", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.5.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rug v1.19.0
[INFO] [stderr]     Checking ch11-03-test-organization v0.1.0 (/opt/rustwide/workdir/ch11/ch11-03-test-organization)
[INFO] [stderr]     Checking ch06-02-match v0.1.0 (/opt/rustwide/workdir/ch06/ch06-02-match)
[INFO] [stderr]     Checking ch07-05-separating-modules-into-different-files v0.1.0 (/opt/rustwide/workdir/ch07/ch07-05-separating-modules-into-different-files)
[INFO] [stderr]     Checking ch08-02-strings v0.1.0 (/opt/rustwide/workdir/ch08/ch08-02-strings)
[INFO] [stderr]     Checking ch07-02-defining-modules-to-control-scope-and-privacy v0.1.0 (/opt/rustwide/workdir/ch07/ch07-02-defining-modules-to-control-scope-and-privacy)
[INFO] [stderr]     Checking ch09-03-to-panic-or-not-to-panic v0.1.0 (/opt/rustwide/workdir/ch09/ch09-03-to-panic-or-not-to-panic)
[INFO] [stderr]     Checking ch03-02-data-types v0.1.0 (/opt/rustwide/workdir/ch03/ch03-02-data-types)
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> ch09/ch09-03-to-panic-or-not-to-panic/src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::Rng;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ch06-01-defining-an-enum v0.1.0 (/opt/rustwide/workdir/ch06/ch06-01-defining-an-enum)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]   --> ch09/ch09-03-to-panic-or-not-to-panic/src/main.rs:38:25
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let secret_number = rand::thread_rng().gen_range(1..=100);
[INFO] [stdout]    |                         ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking variables v0.1.0 (/opt/rustwide/workdir/ch03/ch03-01-variables-and-mutability)
[INFO] [stdout] error: aborting due to 2 previous errors
[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] [stderr] error: could not compile `ch09-03-to-panic-or-not-to-panic` (bin "ch09-03-to-panic-or-not-to-panic" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "60bc1f902660a38620ad42550c814d55b6a7c5308366961baa6321c4ffa4b603", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60bc1f902660a38620ad42550c814d55b6a7c5308366961baa6321c4ffa4b603", kill_on_drop: false }`
[INFO] [stdout] 60bc1f902660a38620ad42550c814d55b6a7c5308366961baa6321c4ffa4b603