[INFO] updating cached repository https://github.com/llambda/nary
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f281e02faf440d5c8f9ed7e55de0de313ab7d346
[INFO] checking llambda/nary against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllambda%2Fnary" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llambda/nary on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/llambda/nary
[INFO] finished tweaking git repo https://github.com/llambda/nary
[INFO] tweaked toml for git repo https://github.com/llambda/nary written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/llambda/nary already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "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] 478c6db2049bb8d8fb7a77f45fbbc30bc197dd68b19eb773de6c749ad265844c
[INFO] running `"docker" "start" "-a" "478c6db2049bb8d8fb7a77f45fbbc30bc197dd68b19eb773de6c749ad265844c"`
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking console v0.9.0
[INFO] [stderr]     Checking semver_rs v0.1.3
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling cc v1.0.45
[INFO] [stderr]     Checking indicatif v0.12.0
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]     Checking structopt v0.3.1
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]     Checking nary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `install_dev_dependencies`
[INFO] [stderr]   --> src/main.rs:94:30
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn install(root_path: &Path, install_dev_dependencies: bool) -> Result<(), Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_install_dev_dependencies`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `install_dev_dependencies`
[INFO] [stderr]   --> src/main.rs:94:30
[INFO] [stderr]    |
[INFO] [stderr] 94 | fn install(root_path: &Path, install_dev_dependencies: bool) -> Result<(), Error> {
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_install_dev_dependencies`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 23s
[INFO] running `"docker" "inspect" "478c6db2049bb8d8fb7a77f45fbbc30bc197dd68b19eb773de6c749ad265844c"`
[INFO] running `"docker" "rm" "-f" "478c6db2049bb8d8fb7a77f45fbbc30bc197dd68b19eb773de6c749ad265844c"`
[INFO] [stdout] 478c6db2049bb8d8fb7a77f45fbbc30bc197dd68b19eb773de6c749ad265844c