[INFO] fetching crate fix_me 0.1.1...
[INFO] testing fix_me-0.1.1 against 1.45.2 for beta-1.46-1
[INFO] extracting crate fix_me 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate fix_me 0.1.1 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fix_me 0.1.1
[INFO] finished tweaking crates.io crate fix_me 0.1.1
[INFO] tweaked toml for crates.io crate fix_me 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ba8f496fce1bc6c451a59856864926268df9313bcf9f8226b855425594a094b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5ba8f496fce1bc6c451a59856864926268df9313bcf9f8226b855425594a094b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ba8f496fce1bc6c451a59856864926268df9313bcf9f8226b855425594a094b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ba8f496fce1bc6c451a59856864926268df9313bcf9f8226b855425594a094b", kill_on_drop: false }`
[INFO] [stdout] 5ba8f496fce1bc6c451a59856864926268df9313bcf9f8226b855425594a094b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83ce57a6eff4851dbfefa448dd9aa204a99176951b3d3d263f17abf02a290a75
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "83ce57a6eff4851dbfefa448dd9aa204a99176951b3d3d263f17abf02a290a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling fix_me v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "83ce57a6eff4851dbfefa448dd9aa204a99176951b3d3d263f17abf02a290a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ce57a6eff4851dbfefa448dd9aa204a99176951b3d3d263f17abf02a290a75", kill_on_drop: false }`
[INFO] [stdout] 83ce57a6eff4851dbfefa448dd9aa204a99176951b3d3d263f17abf02a290a75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af0ba9339090c5a47b38d38ebf2a45c35fbb8ed9b2f569f3188f7ceb63d30481
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "af0ba9339090c5a47b38d38ebf2a45c35fbb8ed9b2f569f3188f7ceb63d30481", kill_on_drop: false }`
[INFO] [stderr]    Compiling fix_me v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `String`
[INFO] [stdout]   --> src/lib.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |         let test_string = String::from("test");
[INFO] [stdout]    |                           ^^^^^^ use of undeclared type or module `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `String`
[INFO] [stdout]   --> src/lib.rs:47:31
[INFO] [stdout]    |
[INFO] [stdout] 47 |             let test_string = String::from("replace");
[INFO] [stdout]    |                               ^^^^^^ use of undeclared type or module `String`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fix_me`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "af0ba9339090c5a47b38d38ebf2a45c35fbb8ed9b2f569f3188f7ceb63d30481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0ba9339090c5a47b38d38ebf2a45c35fbb8ed9b2f569f3188f7ceb63d30481", kill_on_drop: false }`
[INFO] [stdout] af0ba9339090c5a47b38d38ebf2a45c35fbb8ed9b2f569f3188f7ceb63d30481