[INFO] updating cached repository https://github.com/juanibiapina/shelf
[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] db2000052d2c7c1c832408713320dc22f9cccde8
[INFO] checking juanibiapina/shelf against master#209b2be09fcaff937480d1fbbe8b31646e361c7a for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuanibiapina%2Fshelf" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juanibiapina/shelf on toolchain 209b2be09fcaff937480d1fbbe8b31646e361c7a
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/juanibiapina/shelf
[INFO] finished tweaking git repo https://github.com/juanibiapina/shelf
[INFO] tweaked toml for git repo https://github.com/juanibiapina/shelf written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/juanibiapina/shelf already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+209b2be09fcaff937480d1fbbe8b31646e361c7a" "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] 06ce79f877ae72224d8f15d0884eb35c89bd5fa63ea334f74beff4966a8ca042
[INFO] running `"docker" "start" "-a" "06ce79f877ae72224d8f15d0884eb35c89bd5fa63ea334f74beff4966a8ca042"`
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]     Checking ignore v0.4.11
[INFO] [stderr]     Checking globwalk v0.7.1
[INFO] [stderr]     Checking assert_fs v0.13.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking serde_yaml v0.8.11
[INFO] [stderr]     Checking shelf v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking escargot v0.5.0
[INFO] [stderr]     Checking assert_cmd v0.12.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "06ce79f877ae72224d8f15d0884eb35c89bd5fa63ea334f74beff4966a8ca042"`
[INFO] running `"docker" "rm" "-f" "06ce79f877ae72224d8f15d0884eb35c89bd5fa63ea334f74beff4966a8ca042"`
[INFO] [stdout] 06ce79f877ae72224d8f15d0884eb35c89bd5fa63ea334f74beff4966a8ca042