[INFO] fetching crate wasmparser 0.71.0...
[INFO] checking wasmparser-0.71.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate wasmparser 0.71.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate wasmparser 0.71.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasmparser 0.71.0
[INFO] finished tweaking crates.io crate wasmparser 0.71.0
[INFO] tweaked toml for crates.io crate wasmparser 0.71.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate wasmparser 0.71.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_cbor v0.11.1
[INFO] [stderr]   Downloaded criterion-plot v0.4.3
[INFO] [stderr]   Downloaded tinytemplate v1.1.0
[INFO] [stderr]   Downloaded half v1.6.0
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded plotters v0.2.15
[INFO] [stderr]   Downloaded criterion v0.3.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7179b3923dfa25a0a471ffb1b593b3472b410198193f6cdf8bca9c1adf32793d
[INFO] running `Command { std: "docker" "start" "-a" "7179b3923dfa25a0a471ffb1b593b3472b410198193f6cdf8bca9c1adf32793d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7179b3923dfa25a0a471ffb1b593b3472b410198193f6cdf8bca9c1adf32793d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7179b3923dfa25a0a471ffb1b593b3472b410198193f6cdf8bca9c1adf32793d", kill_on_drop: false }`
[INFO] [stdout] 7179b3923dfa25a0a471ffb1b593b3472b410198193f6cdf8bca9c1adf32793d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c673c609c3d97350833d138e6735e0cedd14a261d57f0f7aeb7965d5399f14
[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" "a9c673c609c3d97350833d138e6735e0cedd14a261d57f0f7aeb7965d5399f14", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking wasmparser v0.71.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate or module `wat`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate or module `wast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate or module `wast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate or module `wast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate 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 crate 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" "a9c673c609c3d97350833d138e6735e0cedd14a261d57f0f7aeb7965d5399f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c673c609c3d97350833d138e6735e0cedd14a261d57f0f7aeb7965d5399f14", kill_on_drop: false }`
[INFO] [stdout] a9c673c609c3d97350833d138e6735e0cedd14a261d57f0f7aeb7965d5399f14