[INFO] fetching crate las 0.7.5...
[INFO] checking las-0.7.5 against try#506dff8de9f54f528028a7e4497ea925a4f3e19e for pr-94295
[INFO] extracting crate las 0.7.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate las 0.7.5 on toolchain 506dff8de9f54f528028a7e4497ea925a4f3e19e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate las 0.7.5
[INFO] finished tweaking crates.io crate las 0.7.5
[INFO] tweaked toml for crates.io crate las 0.7.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate las 0.7.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded laz v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1050926ade3ba75ef65764f9ca72f527a41a6aa3f2bf1420bd8cf9fb5303d05
[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" "a1050926ade3ba75ef65764f9ca72f527a41a6aa3f2bf1420bd8cf9fb5303d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1050926ade3ba75ef65764f9ca72f527a41a6aa3f2bf1420bd8cf9fb5303d05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1050926ade3ba75ef65764f9ca72f527a41a6aa3f2bf1420bd8cf9fb5303d05", kill_on_drop: false }`
[INFO] [stdout] a1050926ade3ba75ef65764f9ca72f527a41a6aa3f2bf1420bd8cf9fb5303d05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+506dff8de9f54f528028a7e4497ea925a4f3e19e" "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] 07d007d25eaf2f5b05e95df84fb61db14018e9578d367f96441fa07a99f7a919
[INFO] running `Command { std: "docker" "start" "-a" "07d007d25eaf2f5b05e95df84fb61db14018e9578d367f96441fa07a99f7a919", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.2
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking las v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0537]: invalid predicate `feature`
[INFO] [stdout]  --> benches/roundtrip.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg(all(feature = "unstable", 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 E0537`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `las` 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" "07d007d25eaf2f5b05e95df84fb61db14018e9578d367f96441fa07a99f7a919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07d007d25eaf2f5b05e95df84fb61db14018e9578d367f96441fa07a99f7a919", kill_on_drop: false }`
[INFO] [stdout] 07d007d25eaf2f5b05e95df84fb61db14018e9578d367f96441fa07a99f7a919