[INFO] fetching crate swc_ecma_minifier 0.16.1...
[INFO] testing swc_ecma_minifier-0.16.1 against 1.54.0 for beta-1.55-1
[INFO] extracting crate swc_ecma_minifier 0.16.1 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate swc_ecma_minifier 0.16.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_ecma_minifier 0.16.1
[INFO] finished tweaking crates.io crate swc_ecma_minifier 0.16.1
[INFO] tweaked toml for crates.io crate swc_ecma_minifier 0.16.1 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49f9a0f25904a2b58eefd7b6297fe55b7a9dcea77ba00cfa59f244a610e7bc7a
[INFO] running `Command { std: "docker" "start" "-a" "49f9a0f25904a2b58eefd7b6297fe55b7a9dcea77ba00cfa59f244a610e7bc7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49f9a0f25904a2b58eefd7b6297fe55b7a9dcea77ba00cfa59f244a610e7bc7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49f9a0f25904a2b58eefd7b6297fe55b7a9dcea77ba00cfa59f244a610e7bc7a", kill_on_drop: false }`
[INFO] [stdout] 49f9a0f25904a2b58eefd7b6297fe55b7a9dcea77ba00cfa59f244a610e7bc7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee1dd67f5981037ccfa2fb0320fa12a59728b5dee2d66ff8bd672fd8f43aec00
[INFO] running `Command { std: "docker" "start" "-a" "ee1dd67f5981037ccfa2fb0320fa12a59728b5dee2d66ff8bd672fd8f43aec00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling siphasher v0.3.6
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling if_chain v1.0.1
[INFO] [stderr]    Compiling retain_mut v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dashmap v4.0.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling owning_ref v0.4.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling swc_atoms v0.2.6
[INFO] [stderr]    Compiling lexical v5.2.2
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling swc_macros_common v0.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling swc_visit_macros v0.2.3
[INFO] [stderr]    Compiling from_variant v0.1.3
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling is-macro v0.1.9
[INFO] [stderr]    Compiling string_enum v0.3.1
[INFO] [stderr]    Compiling enum_kind v0.2.1
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling swc_ecma_codegen_macros v0.5.2
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.3
[INFO] [stderr]    Compiling swc_visit v0.2.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling serde_regex v1.1.0
[INFO] [stderr]    Compiling swc_common v0.11.4
[INFO] [stderr]    Compiling sourcemap v6.0.1
[INFO] [stderr]    Compiling swc_ecma_ast v0.49.1
[INFO] [stderr]    Compiling swc_ecma_visit v0.35.1
[INFO] [stderr]    Compiling swc_ecma_parser v0.65.0
[INFO] [stderr]    Compiling swc_ecma_utils v0.41.0
[INFO] [stderr]    Compiling swc_ecma_transforms_base v0.24.1
[INFO] [stderr]    Compiling swc_ecma_codegen v0.64.3
[INFO] [stderr]    Compiling swc_ecma_transforms_optimization v0.31.0
[INFO] [stderr]    Compiling swc_ecma_transforms v0.61.0
[INFO] [stderr]    Compiling swc_ecma_minifier v0.16.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `top_level`
[INFO] [stdout]   --> src/compress/hoist_decls.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub top_level: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 33s
[INFO] running `Command { std: "docker" "inspect" "ee1dd67f5981037ccfa2fb0320fa12a59728b5dee2d66ff8bd672fd8f43aec00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1dd67f5981037ccfa2fb0320fa12a59728b5dee2d66ff8bd672fd8f43aec00", kill_on_drop: false }`
[INFO] [stdout] ee1dd67f5981037ccfa2fb0320fa12a59728b5dee2d66ff8bd672fd8f43aec00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18fb862259a497ec5a12efa295c3e5f80456a51a87d255e4b433487ba573ef79
[INFO] running `Command { std: "docker" "start" "-a" "18fb862259a497ec5a12efa295c3e5f80456a51a87d255e4b433487ba573ef79", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling relative-path v1.5.0
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stdout] warning: field is never read: `top_level`
[INFO] [stdout]   --> src/compress/hoist_decls.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub top_level: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling testing_macros v0.2.1
[INFO] [stderr]    Compiling testing v0.12.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/testing-0.12.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testing`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "18fb862259a497ec5a12efa295c3e5f80456a51a87d255e4b433487ba573ef79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18fb862259a497ec5a12efa295c3e5f80456a51a87d255e4b433487ba573ef79", kill_on_drop: false }`
[INFO] [stdout] 18fb862259a497ec5a12efa295c3e5f80456a51a87d255e4b433487ba573ef79
