[INFO] cloning repository https://github.com/CordlessCoder/sizef
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CordlessCoder/sizef" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Fsizef", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Fsizef'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23b02bd3124cb967e614bf3f003012fa58d8acf9
[INFO] checking CordlessCoder/sizef against master#9050733395f7c10560d49f549e022f411fa28cea for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCordlessCoder%2Fsizef" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CordlessCoder/sizef
[INFO] finished tweaking git repo https://github.com/CordlessCoder/sizef
[INFO] tweaked toml for git repo https://github.com/CordlessCoder/sizef written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CordlessCoder/sizef on toolchain 9050733395f7c10560d49f549e022f411fa28cea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CordlessCoder/sizef 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" "+9050733395f7c10560d49f549e022f411fa28cea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d120cd19a3cedbef1f5f8b9d5c41346ef8de076afd5b1e952287e462552148e5
[INFO] running `Command { std: "docker" "start" "-a" "d120cd19a3cedbef1f5f8b9d5c41346ef8de076afd5b1e952287e462552148e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d120cd19a3cedbef1f5f8b9d5c41346ef8de076afd5b1e952287e462552148e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d120cd19a3cedbef1f5f8b9d5c41346ef8de076afd5b1e952287e462552148e5", kill_on_drop: false }`
[INFO] [stdout] d120cd19a3cedbef1f5f8b9d5c41346ef8de076afd5b1e952287e462552148e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 741dea16b083e0ed8dc67dc651595beda95b97cd000c44526cfa1c2f4219d261
[INFO] running `Command { std: "docker" "start" "-a" "741dea16b083e0ed8dc67dc651595beda95b97cd000c44526cfa1c2f4219d261", kill_on_drop: false }`
[INFO] [stderr]     Checking sizef v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `String`
[INFO] [stdout]  --> src/tests.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut buf = String::new();
[INFO] [stdout]   |                   ^^^^^^ use of undeclared type `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `String`
[INFO] [stdout]   --> src/tests.rs:68:19
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut buf = String::new();
[INFO] [stdout]    |                   ^^^^^^ use of undeclared type `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sizef` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "741dea16b083e0ed8dc67dc651595beda95b97cd000c44526cfa1c2f4219d261", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "741dea16b083e0ed8dc67dc651595beda95b97cd000c44526cfa1c2f4219d261", kill_on_drop: false }`
[INFO] [stdout] 741dea16b083e0ed8dc67dc651595beda95b97cd000c44526cfa1c2f4219d261
