[INFO] cloning repository https://github.com/llambda/nary
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llambda/nary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllambda%2Fnary"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllambda%2Fnary'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28c719696f9c63a99e3c8b32c0762651cabb568c
[INFO] checking llambda/nary against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllambda%2Fnary" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llambda/nary on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-4/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] eb720b3ef49c3cd3be33f7afa15738e46c69c231251d63a2b797b6e38679f056
[INFO] running `"docker" "start" "-a" "eb720b3ef49c3cd3be33f7afa15738e46c69c231251d63a2b797b6e38679f056"`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking console v0.9.1
[INFO] [stderr]     Checking semver_rs v0.1.3
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]     Checking indicatif v0.12.0
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]     Checking flate2 v1.0.12
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]     Checking hyper-native-tls v0.3.0
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking structopt v0.3.3
[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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_install_dev_dependencies`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `"docker" "inspect" "eb720b3ef49c3cd3be33f7afa15738e46c69c231251d63a2b797b6e38679f056"`
[INFO] running `"docker" "rm" "-f" "eb720b3ef49c3cd3be33f7afa15738e46c69c231251d63a2b797b6e38679f056"`
[INFO] [stdout] eb720b3ef49c3cd3be33f7afa15738e46c69c231251d63a2b797b6e38679f056