[INFO] crate stratum-types 0.9.23 is already in cache
[INFO] checking stratum-types-0.9.23 against try#1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0 for pr-69530
[INFO] extracting crate stratum-types 0.9.23 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stratum-types 0.9.23 on toolchain 1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate stratum-types 0.9.23
[INFO] finished tweaking crates.io crate stratum-types 0.9.23
[INFO] tweaked toml for crates.io crate stratum-types 0.9.23 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1cdff26b98d4c2377ea6ae8929f1daebbf58f2b0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 716ac61a55eb373941c81cd4ca459d6e903a296339f2e4de4977fc6b505b9d87
[INFO] running `"docker" "start" "-a" "716ac61a55eb373941c81cd4ca459d6e903a296339f2e4de4977fc6b505b9d87"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking libc v0.2.69
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]    Compiling serde_tuple v0.4.0
[INFO] [stderr]     Checking stratum-types v0.9.23 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `SeqAccess`
[INFO] [stderr]   --> src/lib.rs:11:34
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::de::{self, MapAccess, SeqAccess, Visitor};
[INFO] [stderr]    |                                  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SeqAccess`
[INFO] [stderr]   --> src/lib.rs:11:34
[INFO] [stderr]    |
[INFO] [stderr] 11 | use serde::de::{self, MapAccess, SeqAccess, Visitor};
[INFO] [stderr]    |                                  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.07s
[INFO] running `"docker" "inspect" "716ac61a55eb373941c81cd4ca459d6e903a296339f2e4de4977fc6b505b9d87"`
[INFO] running `"docker" "rm" "-f" "716ac61a55eb373941c81cd4ca459d6e903a296339f2e4de4977fc6b505b9d87"`
[INFO] [stdout] 716ac61a55eb373941c81cd4ca459d6e903a296339f2e4de4977fc6b505b9d87