[INFO] fetching crate swc_ecma_codegen 0.42.2...
[INFO] testing swc_ecma_codegen-0.42.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate swc_ecma_codegen 0.42.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate swc_ecma_codegen 0.42.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_ecma_codegen 0.42.2
[INFO] finished tweaking crates.io crate swc_ecma_codegen 0.42.2
[INFO] tweaked toml for crates.io crate swc_ecma_codegen 0.42.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4608b45e443a03fce51447dc90c2af0b89efeca7ee79863b9d1b4f7152362c40
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4608b45e443a03fce51447dc90c2af0b89efeca7ee79863b9d1b4f7152362c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4608b45e443a03fce51447dc90c2af0b89efeca7ee79863b9d1b4f7152362c40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4608b45e443a03fce51447dc90c2af0b89efeca7ee79863b9d1b4f7152362c40", kill_on_drop: false }`
[INFO] [stdout] 4608b45e443a03fce51447dc90c2af0b89efeca7ee79863b9d1b4f7152362c40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10b8a7e873b08a88153919741c5ada353ebbf70734fcc7b3229faf46e61cddc4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "10b8a7e873b08a88153919741c5ada353ebbf70734fcc7b3229faf46e61cddc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]    Compiling swc_macros_common v0.3.1
[INFO] [stderr]    Compiling swc_eq_ignore_macros v0.1.0
[INFO] [stderr]    Compiling is-macro v0.1.8
[INFO] [stderr]    Compiling swc_atoms v0.2.5
[INFO] [stderr]    Compiling swc_visit_macros v0.2.2
[INFO] [stderr]    Compiling from_variant v0.1.2
[INFO] [stderr]    Compiling enum_kind v0.2.0
[INFO] [stderr]    Compiling string_enum v0.3.0
[INFO] [stderr]    Compiling swc_ecma_parser_macros v0.4.1
[INFO] [stderr]    Compiling swc_ecma_codegen_macros v0.5.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling string_cache v0.8.1
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling ast_node v0.7.0
[INFO] [stderr]    Compiling swc_visit v0.2.2
[INFO] [stderr]    Compiling sourcemap v6.0.1
[INFO] [stderr]    Compiling swc_common v0.10.8
[INFO] [stderr]    Compiling swc_ecma_ast v0.36.2
[INFO] [stderr]    Compiling swc_ecma_visit v0.22.0
[INFO] [stderr]    Compiling swc_ecma_parser v0.44.1
[INFO] [stderr]    Compiling swc_ecma_codegen v0.42.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 08s
[INFO] running `Command { std: "docker" "inspect" "10b8a7e873b08a88153919741c5ada353ebbf70734fcc7b3229faf46e61cddc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10b8a7e873b08a88153919741c5ada353ebbf70734fcc7b3229faf46e61cddc4", kill_on_drop: false }`
[INFO] [stdout] 10b8a7e873b08a88153919741c5ada353ebbf70734fcc7b3229faf46e61cddc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57ca2a45d2968ff009e4fff508e6053de01ea49813c12a55487dae95193204b5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "57ca2a45d2968ff009e4fff508e6053de01ea49813c12a55487dae95193204b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling relative-path v1.3.2
[INFO] [stderr]    Compiling pretty_assertions v0.6.1
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling testing_macros v0.1.1
[INFO] [stdout] error[E0432]: unresolved import `proc_macro2::SourceFile`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/testing_macros-0.1.1/src/fixture.rs:4:19
[INFO] [stdout]   |
[INFO] [stdout] 4 | use proc_macro2::{SourceFile, Span};
[INFO] [stdout]   |                   ^^^^^^^^^^ no `SourceFile` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `source_file` found for struct `proc_macro2::Span` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/testing_macros-0.1.1/src/lib.rs:58:34
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let file = Span::call_site().source_file();
[INFO] [stdout]    |                                  ^^^^^^^^^^^ method not found in `proc_macro2::Span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `testing_macros`
[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" "57ca2a45d2968ff009e4fff508e6053de01ea49813c12a55487dae95193204b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57ca2a45d2968ff009e4fff508e6053de01ea49813c12a55487dae95193204b5", kill_on_drop: false }`
[INFO] [stdout] 57ca2a45d2968ff009e4fff508e6053de01ea49813c12a55487dae95193204b5