[INFO] crate rcut-lib 0.0.48 is already in cache [INFO] testing rcut-lib-0.0.48 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409 [INFO] extracting crate rcut-lib 0.0.48 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate rcut-lib 0.0.48 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate rcut-lib 0.0.48 [INFO] finished tweaking crates.io crate rcut-lib 0.0.48 [INFO] tweaked toml for crates.io crate rcut-lib 0.0.48 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] ace39f78652e57a4121cb9b58dab17a43cf25a7ee200eb1f7b15ae233b647e31 [INFO] running `Command { std: "docker" "start" "-a" "ace39f78652e57a4121cb9b58dab17a43cf25a7ee200eb1f7b15ae233b647e31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ace39f78652e57a4121cb9b58dab17a43cf25a7ee200eb1f7b15ae233b647e31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ace39f78652e57a4121cb9b58dab17a43cf25a7ee200eb1f7b15ae233b647e31", kill_on_drop: false }` [INFO] [stdout] ace39f78652e57a4121cb9b58dab17a43cf25a7ee200eb1f7b15ae233b647e31 [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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7e90f642efb24b965b7fc36d75ffa76dacad4175d9f068f48d7e0d0be45157f1 [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" "7e90f642efb24b965b7fc36d75ffa76dacad4175d9f068f48d7e0d0be45157f1", kill_on_drop: false }` [INFO] [stderr] Compiling rtools-traits v0.0.48 [INFO] [stderr] Compiling rcut-lib v0.0.48 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.34s [INFO] running `Command { std: "docker" "inspect" "7e90f642efb24b965b7fc36d75ffa76dacad4175d9f068f48d7e0d0be45157f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e90f642efb24b965b7fc36d75ffa76dacad4175d9f068f48d7e0d0be45157f1", kill_on_drop: false }` [INFO] [stdout] 7e90f642efb24b965b7fc36d75ffa76dacad4175d9f068f48d7e0d0be45157f1 [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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0df4912642a9501a76f5f0c512f751b5184d83771dfba94df07e30252a45cd4c [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" "0df4912642a9501a76f5f0c512f751b5184d83771dfba94df07e30252a45cd4c", kill_on_drop: false }` [INFO] [stderr] Compiling rcut-lib v0.0.48 (/opt/rustwide/workdir) [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `BufReader` [INFO] [stdout] --> src/lib.rs:446:21 [INFO] [stdout] | [INFO] [stdout] 446 | let input = BufReader::new(std::io::Cursor::new(_STR_BIRDS)); [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 275 | use crate::tests::rtools_traits::BufReader; [INFO] [stdout] | [INFO] [stdout] 275 | use std::io::BufReader; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `BufWriter` [INFO] [stdout] --> src/lib.rs:455:18 [INFO] [stdout] | [INFO] [stdout] 455 | &mut BufWriter::new(&mut out_cursor), [INFO] [stdout] | ^^^^^^^^^ not found in this scope [INFO] [stdout] | [INFO] [stdout] help: consider importing one of these items [INFO] [stdout] | [INFO] [stdout] 275 | use crate::tests::rtools_traits::BufWriter; [INFO] [stdout] | [INFO] [stdout] 275 | use std::io::BufWriter; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `seek` found for struct `std::io::Cursor>` in the current scope [INFO] [stdout] --> src/lib.rs:461:20 [INFO] [stdout] | [INFO] [stdout] 461 | out_cursor.seek(std::io::SeekFrom::Start(0)).unwrap(); [INFO] [stdout] | ^^^^ method not found in `std::io::Cursor>` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] `use std::io::Seek;` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `read_to_end` found for struct `std::io::Cursor>` in the current scope [INFO] [stdout] --> src/lib.rs:464:20 [INFO] [stdout] | [INFO] [stdout] 464 | out_cursor.read_to_end(&mut out).unwrap(); [INFO] [stdout] | ^^^^^^^^^^^ method not found in `std::io::Cursor>` [INFO] [stdout] | [INFO] [stdout] = help: items from traits can only be used if the trait is in scope [INFO] [stdout] = note: the following trait is implemented but not in scope; perhaps add a `use` for it: [INFO] [stdout] `use std::io::Read;` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0433, E0599. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0433`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rcut-lib`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "0df4912642a9501a76f5f0c512f751b5184d83771dfba94df07e30252a45cd4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0df4912642a9501a76f5f0c512f751b5184d83771dfba94df07e30252a45cd4c", kill_on_drop: false }` [INFO] [stdout] 0df4912642a9501a76f5f0c512f751b5184d83771dfba94df07e30252a45cd4c