[INFO] updating cached repository rust-js/rjs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/rust-js/rjs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/rust-js/rjs" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rust-js/rjs"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rust-js/rjs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/rust-js/rjs" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rust-js/rjs"` [INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rust-js/rjs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 61391286b0f0d6ce23720ee13501f62751c26b29 [INFO] sha for GitHub repo rust-js/rjs: 61391286b0f0d6ce23720ee13501f62751c26b29 [INFO] validating manifest of rust-js/rjs on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of rust-js/rjs on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing rust-js/rjs [INFO] finished frobbing rust-js/rjs [INFO] frobbed toml for rust-js/rjs written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rust-js/rjs/Cargo.toml [INFO] started frobbing rust-js/rjs [INFO] finished frobbing rust-js/rjs [INFO] frobbed toml for rust-js/rjs written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rust-js/rjs/Cargo.toml [INFO] crate rust-js/rjs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/rust-js/rjs/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking rust-js/rjs against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/rust-js/rjs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f348a66801d9b52c1b43908702cd4dbafa71c9b369ea7d08b5dd3d11e8b1de0f [INFO] running `"docker" "start" "-a" "f348a66801d9b52c1b43908702cd4dbafa71c9b369ea7d08b5dd3d11e8b1de0f"` [INFO] [stderr] Checking strtod v0.0.1 [INFO] [stderr] Checking rjs v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0532]: expected tuple struct/variant, found unit variant `Expr::Missing` [INFO] [stderr] --> src/syntax/ast/visitor.rs:260:13 [INFO] [stderr] | [INFO] [stderr] 260 | Expr::Missing(..) => self.visit_expr_missing(expr), [INFO] [stderr] | ^^^^^^^^^^^^^ not a tuple struct/variant [INFO] [stderr] [INFO] [stderr] error[E0532]: expected tuple struct/variant, found unit variant `Expr::This` [INFO] [stderr] --> src/syntax/ast/visitor.rs:265:13 [INFO] [stderr] | [INFO] [stderr] 265 | Expr::This(..) => self.visit_expr_this(expr), [INFO] [stderr] | ^^^^^^^^^^ not a tuple struct/variant [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `map` in this scope [INFO] [stderr] --> src/gc/os.rs:101:28 [INFO] [stderr] | [INFO] [stderr] 101 | let ptr = unsafe { map(ptr::null(), size) }; [INFO] [stderr] | ^^^ help: a function with a similar name exists: `mmap` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `unmap` in this scope [INFO] [stderr] --> src/gc/os.rs:124:22 [INFO] [stderr] | [INFO] [stderr] 124 | unsafe { unmap(self.ptr, self.size) }; [INFO] [stderr] | ^^^^^ help: a function with a similar name exists: `munmap` [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/trace.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / macro_rules! trace { [INFO] [stderr] 2 | | ($fmt:expr) => ( if cfg!(feature = "trace") { println!(concat!("[TRACE] ", $fmt)); }); [INFO] [stderr] 3 | | ($fmt:expr, $($arg:tt)*) => (if cfg!(feature = "trace") { println!(concat!("[TRACE] ", $fmt), $($arg)*); }); [INFO] [stderr] 4 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: patterns aren't allowed in methods without bodies [INFO] [stderr] --> src/util/iter.rs:2:15 [INFO] [stderr] | [INFO] [stderr] 2 | fn single(mut self) -> T; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(patterns_in_fns_without_body)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #35203 [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::libc::*` [INFO] [stderr] --> src/gc/os.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use self::libc::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/gc/os.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/rt/env/mod.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | / macro_rules! accessor { [INFO] [stderr] 49 | | ( $target:expr , $name:expr , $get:ident , $set:ident , $prototype:expr , $env:expr ) => { [INFO] [stderr] 50 | | { [INFO] [stderr] 51 | | let get_function = new_naked_function($env, Some($name), 0, $get, $prototype, false); [INFO] [stderr] ... | [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `gc::*` [INFO] [stderr] --> src/rt/runtime.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use gc::*; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0532]: expected tuple struct/variant, found unit variant `Expr::Missing` [INFO] [stderr] --> src/syntax/ast/visitor.rs:260:13 [INFO] [stderr] | [INFO] [stderr] 260 | Expr::Missing(..) => self.visit_expr_missing(expr), [INFO] [stderr] | ^^^^^^^^^^^^^ not a tuple struct/variant [INFO] [stderr] [INFO] [stderr] error[E0532]: expected tuple struct/variant, found unit variant `Expr::This` [INFO] [stderr] --> src/syntax/ast/visitor.rs:265:13 [INFO] [stderr] | [INFO] [stderr] 265 | Expr::This(..) => self.visit_expr_this(expr), [INFO] [stderr] | ^^^^^^^^^^ not a tuple struct/variant [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `map` in this scope [INFO] [stderr] --> src/gc/os.rs:101:28 [INFO] [stderr] | [INFO] [stderr] 101 | let ptr = unsafe { map(ptr::null(), size) }; [INFO] [stderr] | ^^^ help: a function with a similar name exists: `mmap` [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `unmap` in this scope [INFO] [stderr] --> src/gc/os.rs:124:22 [INFO] [stderr] | [INFO] [stderr] 124 | unsafe { unmap(self.ptr, self.size) }; [INFO] [stderr] | ^^^^^ help: a function with a similar name exists: `munmap` [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/trace.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / macro_rules! trace { [INFO] [stderr] 2 | | ($fmt:expr) => ( if cfg!(feature = "trace") { println!(concat!("[TRACE] ", $fmt)); }); [INFO] [stderr] 3 | | ($fmt:expr, $($arg:tt)*) => (if cfg!(feature = "trace") { println!(concat!("[TRACE] ", $fmt), $($arg)*); }); [INFO] [stderr] 4 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_macros)] on by default [INFO] [stderr] [INFO] [stderr] warning: patterns aren't allowed in methods without bodies [INFO] [stderr] --> src/util/iter.rs:2:15 [INFO] [stderr] | [INFO] [stderr] 2 | fn single(mut self) -> T; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(patterns_in_fns_without_body)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #35203 [INFO] [stderr] [INFO] [stderr] warning: unused import: `self::libc::*` [INFO] [stderr] --> src/gc/os.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use self::libc::*; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::mem` [INFO] [stderr] --> src/gc/os.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::mem; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused macro definition [INFO] [stderr] --> src/rt/env/mod.rs:48:1 [INFO] [stderr] | [INFO] [stderr] 48 | / macro_rules! accessor { [INFO] [stderr] 49 | | ( $target:expr , $name:expr , $get:ident , $set:ident , $prototype:expr , $env:expr ) => { [INFO] [stderr] 50 | | { [INFO] [stderr] 51 | | let get_function = new_naked_function($env, Some($name), 0, $get, $prototype, false); [INFO] [stderr] ... | [INFO] [stderr] 55 | | } [INFO] [stderr] 56 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `gc::*` [INFO] [stderr] --> src/rt/runtime.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use gc::*; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/rt/fmt/mod.rs:483:46 [INFO] [stderr] | [INFO] [stderr] 483 | test("-1", NumberFormatStyle::Fixed, (-0.7), None); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_parens)] on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/rt/fmt/mod.rs:595:72 [INFO] [stderr] | [INFO] [stderr] 595 | test_radix("0.252525252525252525", NumberFormatStyle::Regular, (1.0/3.0), 8); [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/rt/fmt/mod.rs:647:44 [INFO] [stderr] | [INFO] [stderr] 647 | bench(b, NumberFormatStyle::Fixed, (-0.7), None); [INFO] [stderr] | ^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around function argument [INFO] [stderr] --> src/rt/fmt/mod.rs:759:52 [INFO] [stderr] | [INFO] [stderr] 759 | bench_radix(b, NumberFormatStyle::Regular, (1.0/3.0), 8); [INFO] [stderr] | ^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead [INFO] [stderr] --> src/contrib/test262.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead [INFO] [stderr] --> src/contrib/test262.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(deprecated)] on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/contrib/test262.rs:354:58 [INFO] [stderr] | [INFO] [stderr] 354 | for line in yaml.lines().map(|line| line.trim_right()).filter(|line| line.len() > 0) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `usize: std::ops::Neg` is not satisfied [INFO] [stderr] --> src/contrib/test262.rs:350:34 [INFO] [stderr] | [INFO] [stderr] 350 | let mut indent = -1; [INFO] [stderr] | ^^ the trait `std::ops::Neg` is not implemented for `usize` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `usize: std::ops::Neg` is not satisfied [INFO] [stderr] --> src/contrib/test262.rs:355:34 [INFO] [stderr] | [INFO] [stderr] 355 | if indent == -1 { [INFO] [stderr] | ^^ the trait `std::ops::Neg` is not implemented for `usize` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Debug` [INFO] [stderr] --> src/util/interner.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | use std::fmt::Debug; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/util/interner.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Index` [INFO] [stderr] --> src/gc/mod.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::ops::Index; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsPtr` [INFO] [stderr] --> src/gc/handles/array_root.rs:1:59 [INFO] [stderr] | [INFO] [stderr] 1 | use gc::{Array, ArrayLocal, RootHandles, GcHeap, AsArray, AsPtr, GcAllocator}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/rt/object/mod.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ascii::AsciiExt` [INFO] [stderr] --> src/contrib/test262.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 6 previous errors [INFO] [stderr] [INFO] [stderr] Some errors occurred: E0277, E0425, E0532. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `rjs`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: use of deprecated item 'core::str::::trim_right': superseded by `trim_end` [INFO] [stderr] --> src/contrib/test262.rs:354:58 [INFO] [stderr] | [INFO] [stderr] 354 | for line in yaml.lines().map(|line| line.trim_right()).filter(|line| line.len() > 0) { [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `usize: std::ops::Neg` is not satisfied [INFO] [stderr] --> src/contrib/test262.rs:350:34 [INFO] [stderr] | [INFO] [stderr] 350 | let mut indent = -1; [INFO] [stderr] | ^^ the trait `std::ops::Neg` is not implemented for `usize` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `usize: std::ops::Neg` is not satisfied [INFO] [stderr] --> src/contrib/test262.rs:355:34 [INFO] [stderr] | [INFO] [stderr] 355 | if indent == -1 { [INFO] [stderr] | ^^ the trait `std::ops::Neg` is not implemented for `usize` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Debug` [INFO] [stderr] --> src/util/interner.rs:50:13 [INFO] [stderr] | [INFO] [stderr] 50 | use std::fmt::Debug; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Display` [INFO] [stderr] --> src/util/interner.rs:57:13 [INFO] [stderr] | [INFO] [stderr] 57 | use std::fmt::Display; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ops::Index` [INFO] [stderr] --> src/gc/mod.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::ops::Index; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `AsPtr` [INFO] [stderr] --> src/gc/handles/array_root.rs:1:59 [INFO] [stderr] | [INFO] [stderr] 1 | use gc::{Array, ArrayLocal, RootHandles, GcHeap, AsArray, AsPtr, GcAllocator}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/rt/object/mod.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ascii::AsciiExt` [INFO] [stderr] --> src/contrib/test262.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::ascii::AsciiExt; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 6 previous errors [INFO] [stderr] [INFO] [stderr] Some errors occurred: E0277, E0425, E0532. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `rjs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "f348a66801d9b52c1b43908702cd4dbafa71c9b369ea7d08b5dd3d11e8b1de0f"` [INFO] running `"docker" "rm" "-f" "f348a66801d9b52c1b43908702cd4dbafa71c9b369ea7d08b5dd3d11e8b1de0f"` [INFO] [stdout] f348a66801d9b52c1b43908702cd4dbafa71c9b369ea7d08b5dd3d11e8b1de0f