[INFO] fetching crate cap-std 0.13.7...
[INFO] checking cap-std-0.13.7 against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] extracting crate cap-std 0.13.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cap-std 0.13.7 on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cap-std 0.13.7
[INFO] finished tweaking crates.io crate cap-std 0.13.7
[INFO] tweaked toml for crates.io crate cap-std 0.13.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arf-strings v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "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] 93e7cf5a1453ff8cce2c09726bf80106ac24a7b0aad6447c7bcceac2e8c45335
[INFO] running `Command { std: "docker" "start" "-a" "93e7cf5a1453ff8cce2c09726bf80106ac24a7b0aad6447c7bcceac2e8c45335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93e7cf5a1453ff8cce2c09726bf80106ac24a7b0aad6447c7bcceac2e8c45335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e7cf5a1453ff8cce2c09726bf80106ac24a7b0aad6447c7bcceac2e8c45335", kill_on_drop: false }`
[INFO] [stdout] 93e7cf5a1453ff8cce2c09726bf80106ac24a7b0aad6447c7bcceac2e8c45335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c87b8790dfd9e5ed5cc8f45b7680ff1fa374ec92430d52c6adab30f3d885a8c8
[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" "c87b8790dfd9e5ed5cc8f45b7680ff1fa374ec92430d52c6adab30f3d885a8c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking maybe-owned v0.3.4
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling unsafe-io v0.6.2
[INFO] [stderr]    Compiling cap-primitives v0.13.7
[INFO] [stderr]    Compiling cap-std v0.13.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]     Checking posish v0.6.1
[INFO] [stderr]     Checking fs-set-times v0.3.1
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![cfg_attr(seek_convenience, feature(seek_convenience))]
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `seek_convenience` has been stable since 1.51.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:29:39
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![cfg_attr(seek_convenience, feature(seek_convenience))]
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.38s
[INFO] running `Command { std: "docker" "inspect" "c87b8790dfd9e5ed5cc8f45b7680ff1fa374ec92430d52c6adab30f3d885a8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87b8790dfd9e5ed5cc8f45b7680ff1fa374ec92430d52c6adab30f3d885a8c8", kill_on_drop: false }`
[INFO] [stdout] c87b8790dfd9e5ed5cc8f45b7680ff1fa374ec92430d52c6adab30f3d885a8c8