[INFO] fetching crate wasmparser 0.61.0...
[INFO] checking wasmparser-0.61.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate wasmparser 0.61.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate wasmparser 0.61.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmparser 0.61.0
[INFO] finished tweaking crates.io crate wasmparser 0.61.0
[INFO] tweaked toml for crates.io crate wasmparser 0.61.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate wasmparser 0.61.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a96dacbd4bef0e3d5cb7d9b604e380e89a7159891b3e44aac91828e3feb693b9
[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" "a96dacbd4bef0e3d5cb7d9b604e380e89a7159891b3e44aac91828e3feb693b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a96dacbd4bef0e3d5cb7d9b604e380e89a7159891b3e44aac91828e3feb693b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96dacbd4bef0e3d5cb7d9b604e380e89a7159891b3e44aac91828e3feb693b9", kill_on_drop: false }`
[INFO] [stdout] a96dacbd4bef0e3d5cb7d9b604e380e89a7159891b3e44aac91828e3feb693b9
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62bc9be44dc6203ad53f4b388386f4477710e076b1f2be641f0dec3676983613
[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" "62bc9be44dc6203ad53f4b388386f4477710e076b1f2be641f0dec3676983613", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking wasmparser v0.61.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `wat`
[INFO] [stdout]   --> benches/benchmark.rs:47:35
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 if let Ok(wasm) = wat::parse_file(&path) {
[INFO] [stdout]    |                                   ^^^ use of undeclared type or module `wat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `wast`
[INFO] [stdout]   --> benches/benchmark.rs:53:33
[INFO] [stdout]    |
[INFO] [stdout] 53 |                 let buf = match wast::parser::ParseBuffer::new(&contents) {
[INFO] [stdout]    |                                 ^^^^ use of undeclared type or module `wast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `wast`
[INFO] [stdout]   --> benches/benchmark.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let wast: wast::Wast<'_> = match wast::parser::parse(&buf) {
[INFO] [stdout]    |                           ^^^^ use of undeclared type or module `wast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `wast`
[INFO] [stdout]   --> benches/benchmark.rs:57:50
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 let wast: wast::Wast<'_> = match wast::parser::parse(&buf) {
[INFO] [stdout]    |                                                  ^^^^ use of undeclared type or module `wast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type or module `wast`
[INFO] [stdout]   --> benches/benchmark.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |                         wast::WastDirective::Module(mut module) => {
[INFO] [stdout]    |                         ^^^^ use of undeclared type or module `wast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasmparser`.
[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" "62bc9be44dc6203ad53f4b388386f4477710e076b1f2be641f0dec3676983613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62bc9be44dc6203ad53f4b388386f4477710e076b1f2be641f0dec3676983613", kill_on_drop: false }`
[INFO] [stdout] 62bc9be44dc6203ad53f4b388386f4477710e076b1f2be641f0dec3676983613