[INFO] fetching crate maybe_utf8 0.2.3... [INFO] testing maybe_utf8-0.2.3 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate maybe_utf8 0.2.3 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate maybe_utf8 0.2.3 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate maybe_utf8 0.2.3 [INFO] finished tweaking crates.io crate maybe_utf8 0.2.3 [INFO] tweaked toml for crates.io crate maybe_utf8 0.2.3 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 76cbdea2166692923e891e68d42239d2560cab5c9194ecd560a87b2a62cf2dda [INFO] running `Command { std: "docker" "start" "-a" "76cbdea2166692923e891e68d42239d2560cab5c9194ecd560a87b2a62cf2dda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "76cbdea2166692923e891e68d42239d2560cab5c9194ecd560a87b2a62cf2dda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "76cbdea2166692923e891e68d42239d2560cab5c9194ecd560a87b2a62cf2dda", kill_on_drop: false }` [INFO] [stdout] 76cbdea2166692923e891e68d42239d2560cab5c9194ecd560a87b2a62cf2dda [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 94feea0e414c9eb7f42545babc57d9bce60f3caa0bc17041dca4b0c47b67af07 [INFO] running `Command { std: "docker" "start" "-a" "94feea0e414c9eb7f42545babc57d9bce60f3caa0bc17041dca4b0c47b67af07", kill_on_drop: false }` [INFO] [stderr] Compiling maybe_utf8 v0.2.3 (/opt/rustwide/workdir) [INFO] [stdout] error[E0432]: unresolved import `std::borrow::IntoCow` [INFO] [stdout] --> lib.rs:66:19 [INFO] [stdout] | [INFO] [stdout] 66 | use std::borrow::{IntoCow, Cow, ToOwned}; [INFO] [stdout] | ^^^^^^^ no `IntoCow` in `borrow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:360:17 [INFO] [stdout] | [INFO] [stdout] 360 | try!(write!(f, "b\"")); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:363:34 [INFO] [stdout] | [INFO] [stdout] 363 | b'\t' => try!(write!(f, "\\t")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:364:34 [INFO] [stdout] | [INFO] [stdout] 364 | b'\r' => try!(write!(f, "\\r")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:365:34 [INFO] [stdout] | [INFO] [stdout] 365 | b'\n' => try!(write!(f, "\\n")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:366:34 [INFO] [stdout] | [INFO] [stdout] 366 | b'\\' => try!(write!(f, "\\\\")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:367:34 [INFO] [stdout] | [INFO] [stdout] 367 | b'\'' => try!(write!(f, "\\'")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:368:34 [INFO] [stdout] | [INFO] [stdout] 368 | b'"' => try!(write!(f, "\\\"")), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:369:48 [INFO] [stdout] | [INFO] [stdout] 369 | b'\x20' ... b'\x7e' => try!(write!(f, "{}", c as char)), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> lib.rs:369:33 [INFO] [stdout] | [INFO] [stdout] 369 | b'\x20' ... b'\x7e' => try!(write!(f, "{}", c as char)), [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> lib.rs:370:30 [INFO] [stdout] | [INFO] [stdout] 370 | _ => try!(write!(f, "\\x{}{}", [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0432`. [INFO] [stdout] [INFO] [stderr] error: could not compile `maybe_utf8` due to 2 previous errors; 10 warnings emitted [INFO] running `Command { std: "docker" "inspect" "94feea0e414c9eb7f42545babc57d9bce60f3caa0bc17041dca4b0c47b67af07", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94feea0e414c9eb7f42545babc57d9bce60f3caa0bc17041dca4b0c47b67af07", kill_on_drop: false }` [INFO] [stdout] 94feea0e414c9eb7f42545babc57d9bce60f3caa0bc17041dca4b0c47b67af07