[INFO] fetching crate serde_osc 0.4.2... [INFO] testing serde_osc-0.4.2 against 1.59.0 for beta-1.60-1 [INFO] extracting crate serde_osc 0.4.2 into /workspace/builds/worker-53/source [INFO] validating manifest of crates.io crate serde_osc 0.4.2 on toolchain 1.59.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate serde_osc 0.4.2 [INFO] finished tweaking crates.io crate serde_osc 0.4.2 [INFO] tweaked toml for crates.io crate serde_osc 0.4.2 written to /workspace/builds/worker-53/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 940f3468d6ed79e06337bcebf3a1efe483c9f9d9054df616b68e2face7fa51b5 [INFO] running `Command { std: "docker" "start" "-a" "940f3468d6ed79e06337bcebf3a1efe483c9f9d9054df616b68e2face7fa51b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "940f3468d6ed79e06337bcebf3a1efe483c9f9d9054df616b68e2face7fa51b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "940f3468d6ed79e06337bcebf3a1efe483c9f9d9054df616b68e2face7fa51b5", kill_on_drop: false }` [INFO] [stdout] 940f3468d6ed79e06337bcebf3a1efe483c9f9d9054df616b68e2face7fa51b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cff5d527f0de162f750a8faa06bd6cd48aa4292e3eeebebb8186346a5d8ed2a8 [INFO] running `Command { std: "docker" "start" "-a" "cff5d527f0de162f750a8faa06bd6cd48aa4292e3eeebebb8186346a5d8ed2a8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling serde_osc v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/error.rs:87:32 [INFO] [stdout] | [INFO] [stdout] 87 | fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` 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] help: use `dyn` [INFO] [stdout] | [INFO] [stdout] 87 - fn cause(&self) -> Option<&std::error::Error> { [INFO] [stdout] 87 + fn cause(&self) -> Option<&dyn std::error::Error> { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:82:49 [INFO] [stdout] | [INFO] [stdout] 82 | Error::Io(ref io_error) => io_error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:83:58 [INFO] [stdout] | [INFO] [stdout] 83 | Error::BadCast(ref cast_error) => cast_error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string() [INFO] [stdout] --> src/error.rs:84:62 [INFO] [stdout] | [INFO] [stdout] 84 | Error::StrParseError(ref utf_error) => utf_error.description(), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/de/bundle_visitor.rs:85:35 [INFO] [stdout] | [INFO] [stdout] 85 | BundleField::Elements(mut read) => [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ser/timetag_ser.rs:46:18 [INFO] [stdout] | [INFO] [stdout] 46 | Some(mut part) => { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:88:12 [INFO] [stdout] | [INFO] [stdout] 88 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `try_from` has been stable since 1.34.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:88:12 [INFO] [stdout] | [INFO] [stdout] 88 | #![feature(try_from)] [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/de/bundle_visitor.rs:83:59 [INFO] [stdout] | [INFO] [stdout] 83 | visitor.visit_seq(IterVisitor([sec, frac].into_iter().cloned() [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 83 | visitor.visit_seq(IterVisitor([sec, frac].iter().cloned() [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value [INFO] [stdout] | [INFO] [stdout] 83 | visitor.visit_seq(IterVisitor(IntoIterator::into_iter([sec, frac]).cloned() [INFO] [stdout] | ++++++++++++++++++++++++ ~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `serde_osc` due to 2 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cff5d527f0de162f750a8faa06bd6cd48aa4292e3eeebebb8186346a5d8ed2a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cff5d527f0de162f750a8faa06bd6cd48aa4292e3eeebebb8186346a5d8ed2a8", kill_on_drop: false }` [INFO] [stdout] cff5d527f0de162f750a8faa06bd6cd48aa4292e3eeebebb8186346a5d8ed2a8