[INFO] fetching crate leo-ast 1.0.6...
[INFO] checking leo-ast-1.0.6 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate leo-ast 1.0.6 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate leo-ast 1.0.6 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate leo-ast 1.0.6
[INFO] finished tweaking crates.io crate leo-ast 1.0.6
[INFO] tweaked toml for crates.io crate leo-ast 1.0.6 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate leo-ast 1.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 68e549deece3360cf7b05a69a7c930ac451a740df7b804a400a468bc15d90c4e
[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" "68e549deece3360cf7b05a69a7c930ac451a740df7b804a400a468bc15d90c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "68e549deece3360cf7b05a69a7c930ac451a740df7b804a400a468bc15d90c4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68e549deece3360cf7b05a69a7c930ac451a740df7b804a400a468bc15d90c4e", kill_on_drop: false }`
[INFO] [stdout] 68e549deece3360cf7b05a69a7c930ac451a740df7b804a400a468bc15d90c4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3469b208a91ffe69733cb3074f3820322e4ac454714902938ca0e84ce210e34
[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" "e3469b208a91ffe69733cb3074f3820322e4ac454714902938ca0e84ce210e34", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling snarkos-derives v1.1.4
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]    Compiling single v1.0.0
[INFO] [stderr]    Compiling pest-ast v0.3.3
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking toml v0.5.7
[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 jsonrpc-core v14.2.0
[INFO] [stderr]     Checking leo-grammar v1.0.6
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking snarkos-errors v1.1.4
[INFO] [stderr]     Checking snarkos-utilities v1.1.4
[INFO] [stderr]     Checking snarkos-models v1.1.4
[INFO] [stderr]     Checking snarkos-curves v1.1.4
[INFO] [stderr]     Checking snarkos-algorithms v1.1.4
[INFO] [stderr]     Checking snarkos-gadgets v1.1.4
[INFO] [stderr]     Checking leo-input v1.0.6
[INFO] [stderr]     Checking leo-ast v1.0.6 (/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" "e3469b208a91ffe69733cb3074f3820322e4ac454714902938ca0e84ce210e34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3469b208a91ffe69733cb3074f3820322e4ac454714902938ca0e84ce210e34", kill_on_drop: false }`
[INFO] [stdout] e3469b208a91ffe69733cb3074f3820322e4ac454714902938ca0e84ce210e34