[INFO] crate rocket-config-codegen 0.0.4 is already in cache
[INFO] checking rocket-config-codegen-0.0.4 against master#783139bd8fc3b94fac9a1bf81bba2c506e8221b6 for pr-72644
[INFO] extracting crate rocket-config-codegen 0.0.4 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rocket-config-codegen 0.0.4 on toolchain 783139bd8fc3b94fac9a1bf81bba2c506e8221b6
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rocket-config-codegen 0.0.4
[INFO] finished tweaking crates.io crate rocket-config-codegen 0.0.4
[INFO] tweaked toml for crates.io crate rocket-config-codegen 0.0.4 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "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" "+783139bd8fc3b94fac9a1bf81bba2c506e8221b6" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c8f563721980166ed2addf54b19ad9708718bca8ba8956aba23d1e2b88b2f368
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "c8f563721980166ed2addf54b19ad9708718bca8ba8956aba23d1e2b88b2f368"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking proc-macro2 v1.0.17
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking quote v1.0.6
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking rocket-config-codegen v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]   --> src/lib.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | extern crate proc_macro;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 | #![warn(rust_2018_idioms)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rocket-config-codegen v0.0.4
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]   --> src/lib.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | extern crate proc_macro;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 | #![warn(rust_2018_idioms)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Checking serde v1.0.111
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_yaml v0.8.12
[INFO] [stderr]     Checking rocket v0.4.5
[INFO] [stderr]     Checking rocket-config v0.0.2
[INFO] [stderr] warning: unused extern crate
[INFO] [stderr]   --> src/lib.rs:60:1
[INFO] [stderr]    |
[INFO] [stderr] 60 | extern crate proc_macro;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove it
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 | #![warn(rust_2018_idioms)]
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unused_extern_crates)]` implied by `#[warn(rust_2018_idioms)]`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] running `"docker" "inspect" "c8f563721980166ed2addf54b19ad9708718bca8ba8956aba23d1e2b88b2f368"`
[INFO] running `"docker" "rm" "-f" "c8f563721980166ed2addf54b19ad9708718bca8ba8956aba23d1e2b88b2f368"`
[INFO] [stdout] c8f563721980166ed2addf54b19ad9708718bca8ba8956aba23d1e2b88b2f368