[INFO] crate genco 0.3.30 is already in cache [INFO] extracting crate genco 0.3.30 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/genco/0.3.30 [INFO] extracting crate genco 0.3.30 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/genco/0.3.30 [INFO] validating manifest of genco-0.3.30 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of genco-0.3.30 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing genco-0.3.30 [INFO] finished frobbing genco-0.3.30 [INFO] frobbed toml for genco-0.3.30 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/genco/0.3.30/Cargo.toml [INFO] started frobbing genco-0.3.30 [INFO] finished frobbing genco-0.3.30 [INFO] frobbed toml for genco-0.3.30 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/genco/0.3.30/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking genco-0.3.30 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/genco/0.3.30:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 966249f2f248791f6bb10921e9e6fb9b99c11e35d89546c79571c0d947d66315 [INFO] running `"docker" "start" "-a" "966249f2f248791f6bb10921e9e6fb9b99c11e35d89546c79571c0d947d66315"` [INFO] [stderr] Checking genco v0.3.30 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/formatter.rs:19:24 [INFO] [stderr] | [INFO] [stderr] 19 | write: &'write mut fmt::Write, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/formatter.rs:30:28 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn new(write: &mut fmt::Write) -> Formatter { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/formatter.rs:19:24 [INFO] [stderr] | [INFO] [stderr] 19 | write: &'write mut fmt::Write, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/formatter.rs:30:28 [INFO] [stderr] | [INFO] [stderr] 30 | pub fn new(write: &mut fmt::Write) -> Formatter { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn fmt::Write` [INFO] [stderr] [INFO] [stderr] warning[E0521]: borrowed data escapes outside of function [INFO] [stderr] --> src/js.rs:139:32 [INFO] [stderr] | [INFO] [stderr] 132 | tokens: Tokens<'a, JavaScript<'a>>, [INFO] [stderr] | ------ `tokens` is a reference that is only valid in the function body [INFO] [stderr] 133 | out: &mut Formatter, [INFO] [stderr] 134 | extra: &mut Self::Extra, [INFO] [stderr] | ----- `extra` is declared here, outside of the function body [INFO] [stderr] ... [INFO] [stderr] 139 | if let Some(imports) = Self::imports(&tokens) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ `tokens` escapes the function body here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0597]: `tokens` does not live long enough [INFO] [stderr] --> src/js.rs:139:46 [INFO] [stderr] | [INFO] [stderr] 102 | impl<'el> Custom for JavaScript<'el> { [INFO] [stderr] | --- lifetime `'el` defined here [INFO] [stderr] ... [INFO] [stderr] 139 | if let Some(imports) = Self::imports(&tokens) { [INFO] [stderr] | --------------^^^^^^^- [INFO] [stderr] | | | [INFO] [stderr] | | borrowed value does not live long enough [INFO] [stderr] | argument requires that `tokens` is borrowed for `'el` [INFO] [stderr] ... [INFO] [stderr] 145 | } [INFO] [stderr] | - `tokens` dropped here while still borrowed [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0521]: borrowed data escapes outside of function [INFO] [stderr] --> src/js.rs:139:32 [INFO] [stderr] | [INFO] [stderr] 132 | tokens: Tokens<'a, JavaScript<'a>>, [INFO] [stderr] | ------ `tokens` is a reference that is only valid in the function body [INFO] [stderr] 133 | out: &mut Formatter, [INFO] [stderr] 134 | extra: &mut Self::Extra, [INFO] [stderr] | ----- `extra` is declared here, outside of the function body [INFO] [stderr] ... [INFO] [stderr] 139 | if let Some(imports) = Self::imports(&tokens) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ `tokens` escapes the function body here [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] warning[E0597]: `tokens` does not live long enough [INFO] [stderr] --> src/js.rs:139:46 [INFO] [stderr] | [INFO] [stderr] 102 | impl<'el> Custom for JavaScript<'el> { [INFO] [stderr] | --- lifetime `'el` defined here [INFO] [stderr] ... [INFO] [stderr] 139 | if let Some(imports) = Self::imports(&tokens) { [INFO] [stderr] | --------------^^^^^^^- [INFO] [stderr] | | | [INFO] [stderr] | | borrowed value does not live long enough [INFO] [stderr] | argument requires that `tokens` is borrowed for `'el` [INFO] [stderr] ... [INFO] [stderr] 145 | } [INFO] [stderr] | - `tokens` dropped here while still borrowed [INFO] [stderr] | [INFO] [stderr] = warning: this error has been downgraded to a warning for backwards compatibility with previous releases [INFO] [stderr] = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future [INFO] [stderr] = note: for more information, try `rustc --explain E0729` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.73s [INFO] running `"docker" "inspect" "966249f2f248791f6bb10921e9e6fb9b99c11e35d89546c79571c0d947d66315"` [INFO] running `"docker" "rm" "-f" "966249f2f248791f6bb10921e9e6fb9b99c11e35d89546c79571c0d947d66315"` [INFO] [stdout] 966249f2f248791f6bb10921e9e6fb9b99c11e35d89546c79571c0d947d66315