[INFO] fetching crate tugger 0.1.0...
[INFO] checking tugger-0.1.0 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate tugger 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate tugger 0.1.0 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tugger 0.1.0
[INFO] finished tweaking crates.io crate tugger 0.1.0
[INFO] tweaked toml for crates.io crate tugger 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate tugger 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] faf123e7f23843947da3734fa85ce0ead66e08bcfb352debc0516ccb3573b8ea
[INFO] running `"docker" "start" "-a" "faf123e7f23843947da3734fa85ce0ead66e08bcfb352debc0516ccb3573b8ea"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]     Checking codemap v0.1.2
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.9.0
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]     Checking ar v0.7.0
[INFO] [stderr]    Compiling regex v1.2.1
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking debian v0.1.1
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]     Checking codemap-diagnostic v0.1.1
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]     Checking mortal v0.1.5
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]     Checking linefeed v0.5.4
[INFO] [stderr]     Checking git2 v0.10.0
[INFO] [stderr]    Compiling starlark v0.2.0
[INFO] [stderr]     Checking starlark-repl v0.2.0
[INFO] [stderr]     Checking tugger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 39s
[INFO] running `"docker" "inspect" "faf123e7f23843947da3734fa85ce0ead66e08bcfb352debc0516ccb3573b8ea"`
[INFO] running `"docker" "rm" "-f" "faf123e7f23843947da3734fa85ce0ead66e08bcfb352debc0516ccb3573b8ea"`
[INFO] [stdout] faf123e7f23843947da3734fa85ce0ead66e08bcfb352debc0516ccb3573b8ea