[INFO] fetching crate leo-ast 1.2.0...
[INFO] checking leo-ast-1.2.0 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate leo-ast 1.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate leo-ast 1.2.0 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leo-ast 1.2.0
[INFO] finished tweaking crates.io crate leo-ast 1.2.0
[INFO] tweaked toml for crates.io crate leo-ast 1.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate leo-ast 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02fee4572f2d5e3cdd7dad47d245ec3eaedfe27c4ed546bcf3fdae8c46f3a747
[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" "02fee4572f2d5e3cdd7dad47d245ec3eaedfe27c4ed546bcf3fdae8c46f3a747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02fee4572f2d5e3cdd7dad47d245ec3eaedfe27c4ed546bcf3fdae8c46f3a747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02fee4572f2d5e3cdd7dad47d245ec3eaedfe27c4ed546bcf3fdae8c46f3a747", kill_on_drop: false }`
[INFO] [stdout] 02fee4572f2d5e3cdd7dad47d245ec3eaedfe27c4ed546bcf3fdae8c46f3a747
[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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 646cc484263b71c57c3c28fcbbe3bd2f92bfbbd66c63574ddf2d4285d7e8c388
[INFO] running `Command { std: "docker" "start" "-a" "646cc484263b71c57c3c28fcbbe3bd2f92bfbbd66c63574ddf2d4285d7e8c388", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking tinytemplate v1.2.0
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking leo-grammar v1.2.0
[INFO] [stderr]     Checking leo-input v1.2.0
[INFO] [stderr]     Checking leo-ast v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read benches/leo_ast.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `leo-ast`
[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" "646cc484263b71c57c3c28fcbbe3bd2f92bfbbd66c63574ddf2d4285d7e8c388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "646cc484263b71c57c3c28fcbbe3bd2f92bfbbd66c63574ddf2d4285d7e8c388", kill_on_drop: false }`
[INFO] [stdout] 646cc484263b71c57c3c28fcbbe3bd2f92bfbbd66c63574ddf2d4285d7e8c388