[INFO] fetching crate swc_js_sourcemap 5.0.2...
[INFO] checking swc_js_sourcemap-5.0.2 against beta for pr-78714
[INFO] extracting crate swc_js_sourcemap 5.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate swc_js_sourcemap 5.0.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swc_js_sourcemap 5.0.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate swc_js_sourcemap 5.0.2
[INFO] tweaked toml for crates.io crate swc_js_sourcemap 5.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate swc_js_sourcemap 5.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3236a2077a1ce6417550a0e7556e35c0d9bb07805b6100cca1f7f4b6fb11f97f
[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" "3236a2077a1ce6417550a0e7556e35c0d9bb07805b6100cca1f7f4b6fb11f97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3236a2077a1ce6417550a0e7556e35c0d9bb07805b6100cca1f7f4b6fb11f97f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3236a2077a1ce6417550a0e7556e35c0d9bb07805b6100cca1f7f4b6fb11f97f", kill_on_drop: false }`
[INFO] [stdout] 3236a2077a1ce6417550a0e7556e35c0d9bb07805b6100cca1f7f4b6fb11f97f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9adb1c2287a271a8b49e977137e18dc1610ca000974abc65a88f6dadd14dbac7
[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" "9adb1c2287a271a8b49e977137e18dc1610ca000974abc65a88f6dadd14dbac7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking regex-syntax v0.6.15
[INFO] [stderr]     Checking if_chain v0.1.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking swc_js_sourcemap v5.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/if_chain-0.1.3/src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         $then
[INFO] [stdout]     |         ^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around block return value
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/if_chain-0.1.3/src/lib.rs:174:9
[INFO] [stdout]     |
[INFO] [stdout] 174 |         $then
[INFO] [stdout]     |         ^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` 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/errors.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Io(ref err) => err.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/errors.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Utf8(ref err) => err.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/errors.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |             BadJson(ref err) => err.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/errors.rs:85:32
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Io(ref err) => err.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/errors.rs:86:34
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Utf8(ref err) => err.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/errors.rs:87:37
[INFO] [stdout]    |
[INFO] [stdout] 87 |             BadJson(ref err) => err.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sourcemap`
[INFO] [stdout]  --> examples/read.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use sourcemap::{decode, DecodedMap, RewriteOptions, SourceMap};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `sourcemap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `sourcemap`
[INFO] [stdout]  --> examples/rewrite.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use sourcemap::{decode, DecodedMap, RewriteOptions, SourceMap};
[INFO] [stdout]   |     ^^^^^^^^^ use of undeclared crate or module `sourcemap`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `swc_js_sourcemap`
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9adb1c2287a271a8b49e977137e18dc1610ca000974abc65a88f6dadd14dbac7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adb1c2287a271a8b49e977137e18dc1610ca000974abc65a88f6dadd14dbac7", kill_on_drop: false }`
[INFO] [stdout] 9adb1c2287a271a8b49e977137e18dc1610ca000974abc65a88f6dadd14dbac7