[INFO] fetching crate js-source-mapper 0.2.0...
[INFO] checking js-source-mapper-0.2.0 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate js-source-mapper 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate js-source-mapper 0.2.0 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate js-source-mapper 0.2.0
[INFO] finished tweaking crates.io crate js-source-mapper 0.2.0
[INFO] tweaked toml for crates.io crate js-source-mapper 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f554f07734c3aca95c9661fcd2bb4f243f5580e35cb12da74d0ff8c69daa96d5
[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" "f554f07734c3aca95c9661fcd2bb4f243f5580e35cb12da74d0ff8c69daa96d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f554f07734c3aca95c9661fcd2bb4f243f5580e35cb12da74d0ff8c69daa96d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f554f07734c3aca95c9661fcd2bb4f243f5580e35cb12da74d0ff8c69daa96d5", kill_on_drop: false }`
[INFO] [stdout] f554f07734c3aca95c9661fcd2bb4f243f5580e35cb12da74d0ff8c69daa96d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34f622ae23446e385f6307696b58f2c027d00be52633c4c03352871da7dae174
[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" "34f622ae23446e385f6307696b58f2c027d00be52633c4c03352871da7dae174", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking quickcheck v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.120
[INFO] [stderr]     Checking js-source-mapper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/base64_vlq.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 | / macro_rules! assert_encodes_to(
[INFO] [stdout] 111 | |   ($number:expr, $string:expr) => (
[INFO] [stdout] 112 | |     assert!(encode($number) == Some($string.into()))
[INFO] [stdout] 113 | |   );
[INFO] [stdout] 114 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/base64_vlq.rs:175:1
[INFO] [stdout]     |
[INFO] [stdout] 175 | / macro_rules! assert_decodes_to(
[INFO] [stdout] 176 | |   ($str_slice:expr, $number:expr) => (
[INFO] [stdout] 177 | |     assert!(decode($str_slice).unwrap().0 == $number)
[INFO] [stdout] 178 | |   );
[INFO] [stdout] 179 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/consume.rs:243:1
[INFO] [stdout]     |
[INFO] [stdout] 243 | / macro_rules! assert_equal_mappings(
[INFO] [stdout] 244 | |   ($a:expr, $b:expr) => (
[INFO] [stdout] 245 | |     if $a != $b {
[INFO] [stdout] 246 | |       panic!(format!("\n\n{:?}\n\n!=\n\n{:?}\n\n", $a, $b));
[INFO] [stdout] 247 | |     }
[INFO] [stdout] 248 | |   );
[INFO] [stdout] 249 | | );
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.24s
[INFO] running `Command { std: "docker" "inspect" "34f622ae23446e385f6307696b58f2c027d00be52633c4c03352871da7dae174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34f622ae23446e385f6307696b58f2c027d00be52633c4c03352871da7dae174", kill_on_drop: false }`
[INFO] [stdout] 34f622ae23446e385f6307696b58f2c027d00be52633c4c03352871da7dae174