[INFO] cloning repository https://github.com/FreeMasen/duration_parsers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FreeMasen/duration_parsers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fduration_parsers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fduration_parsers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a34cbcce4aa7590fe9d257e2663cb495b7c78ea8
[INFO] checking FreeMasen/duration_parsers against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreeMasen%2Fduration_parsers" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FreeMasen/duration_parsers on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FreeMasen/duration_parsers
[INFO] finished tweaking git repo https://github.com/FreeMasen/duration_parsers
[INFO] tweaked toml for git repo https://github.com/FreeMasen/duration_parsers written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/FreeMasen/duration_parsers already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 6ddecf9b757ecebc944ee7b73bcaea4ef88bf04c504e6dba911d40df2ca4fd77
[INFO] running `Command { std: "docker" "start" "-a" "6ddecf9b757ecebc944ee7b73bcaea4ef88bf04c504e6dba911d40df2ca4fd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ddecf9b757ecebc944ee7b73bcaea4ef88bf04c504e6dba911d40df2ca4fd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ddecf9b757ecebc944ee7b73bcaea4ef88bf04c504e6dba911d40df2ca4fd77", kill_on_drop: false }`
[INFO] [stdout] 6ddecf9b757ecebc944ee7b73bcaea4ef88bf04c504e6dba911d40df2ca4fd77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] 00d44df085b90893db79c3cc98daac6a9c1249f4ae5becce70a5e4d75d52373b
[INFO] running `Command { std: "docker" "start" "-a" "00d44df085b90893db79c3cc98daac6a9c1249f4ae5becce70a5e4d75d52373b", kill_on_drop: false }`
[INFO] [stderr]     Checking duration v0.1.0 (/opt/rustwide/workdir/crates/duration)
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking pest v2.0.2
[INFO] [stderr]     Checking hand_rolled_duration_parser v0.1.0 (/opt/rustwide/workdir/crates/hand_rolled_duration_parser)
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking combine v3.6.2
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]     Checking random_durations v0.1.0 (/opt/rustwide/workdir/crates/random_durations)
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking parsers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]     Checking nom_duration_parser v0.1.0 (/opt/rustwide/workdir/crates/nom_duration_parser)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parsers` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "00d44df085b90893db79c3cc98daac6a9c1249f4ae5becce70a5e4d75d52373b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d44df085b90893db79c3cc98daac6a9c1249f4ae5becce70a5e4d75d52373b", kill_on_drop: false }`
[INFO] [stdout] 00d44df085b90893db79c3cc98daac6a9c1249f4ae5becce70a5e4d75d52373b
