[INFO] fetching crate unrpa_rs 0.3.0...
[INFO] checking unrpa_rs-0.3.0 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate unrpa_rs 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate unrpa_rs 0.3.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unrpa_rs 0.3.0
[INFO] finished tweaking crates.io crate unrpa_rs 0.3.0
[INFO] tweaked toml for crates.io crate unrpa_rs 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate unrpa_rs 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd5b6d6127b7a4149e54c5c728ebd1a1e7d2ec0333ba9b914076a3a64ee0c1e3
[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" "fd5b6d6127b7a4149e54c5c728ebd1a1e7d2ec0333ba9b914076a3a64ee0c1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd5b6d6127b7a4149e54c5c728ebd1a1e7d2ec0333ba9b914076a3a64ee0c1e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5b6d6127b7a4149e54c5c728ebd1a1e7d2ec0333ba9b914076a3a64ee0c1e3", kill_on_drop: false }`
[INFO] [stdout] fd5b6d6127b7a4149e54c5c728ebd1a1e7d2ec0333ba9b914076a3a64ee0c1e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 396169654ef6e5b7cbe6d4dd1fada7ebcb92644b7cf3e3edefbd4d1a3017ddde
[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" "396169654ef6e5b7cbe6d4dd1fada7ebcb92644b7cf3e3edefbd4d1a3017ddde", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking iter-read v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling generic-array v0.14.3
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling hex-literal-impl v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking hex-literal v0.2.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking rayon v1.3.1
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde-pickle v0.6.1
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking unrpa_rs v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] error: couldn't read benches: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unrpa_rs`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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" "396169654ef6e5b7cbe6d4dd1fada7ebcb92644b7cf3e3edefbd4d1a3017ddde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "396169654ef6e5b7cbe6d4dd1fada7ebcb92644b7cf3e3edefbd4d1a3017ddde", kill_on_drop: false }`
[INFO] [stdout] 396169654ef6e5b7cbe6d4dd1fada7ebcb92644b7cf3e3edefbd4d1a3017ddde
