[INFO] cloning repository https://github.com/dragonmaus/tarball.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dragonmaus/tarball.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonmaus%2Ftarball.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonmaus%2Ftarball.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecfa6c5361fa41f90235833007d29418b97dfa4d
[INFO] checking dragonmaus/tarball.rs against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdragonmaus%2Ftarball.rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dragonmaus/tarball.rs on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dragonmaus/tarball.rs
[INFO] finished tweaking git repo https://github.com/dragonmaus/tarball.rs
[INFO] tweaked toml for git repo https://github.com/dragonmaus/tarball.rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/dragonmaus/tarball.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded same-file v1.0.6
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded bzip2 v0.4.1
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.15
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded lzma-sys v0.1.17
[INFO] [stderr]   Downloaded adler v0.2.3
[INFO] [stderr]   Downloaded zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]   Downloaded ignore v0.4.17
[INFO] [stderr]   Downloaded miniz_oxide v0.4.3
[INFO] [stderr]   Downloaded bstr v0.2.14
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded redox_syscall v0.1.57
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded glob v0.3.0
[INFO] [stderr]   Downloaded jobserver v0.1.21
[INFO] [stderr]   Downloaded itertools v0.9.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded either v1.6.1
[INFO] [stderr]   Downloaded pkg-config v0.3.19
[INFO] [stderr]   Downloaded lz4 v1.23.2
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]   Downloaded flate2 v1.0.19
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded lz4-sys v1.9.2
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded xz2 v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5b21cb2fb15c2c9b9bc0dd3b4ceb6b8bc34d5286c46ecd0dac7fd0a378abfbc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c5b21cb2fb15c2c9b9bc0dd3b4ceb6b8bc34d5286c46ecd0dac7fd0a378abfbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5b21cb2fb15c2c9b9bc0dd3b4ceb6b8bc34d5286c46ecd0dac7fd0a378abfbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b21cb2fb15c2c9b9bc0dd3b4ceb6b8bc34d5286c46ecd0dac7fd0a378abfbc", kill_on_drop: false }`
[INFO] [stdout] c5b21cb2fb15c2c9b9bc0dd3b4ceb6b8bc34d5286c46ecd0dac7fd0a378abfbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14e7dfdf9ee02ffb61fe2b97effc536872b4b04717df48560764f1e2525e7871
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "14e7dfdf9ee02ffb61fe2b97effc536872b4b04717df48560764f1e2525e7871", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling zstd-safe v3.0.0+zstd.1.4.8
[INFO] [stderr]     Checking getopt v1.1.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling zstd-sys v1.4.19+zstd.1.4.8
[INFO] [stderr]    Compiling lz4-sys v1.9.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking bzip2 v0.4.1
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking lz4 v1.23.2
[INFO] [stderr]     Checking zstd v0.6.0+zstd.1.4.8
[INFO] [stderr]     Checking tarball v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 30s
[INFO] running `Command { std: "docker" "inspect" "14e7dfdf9ee02ffb61fe2b97effc536872b4b04717df48560764f1e2525e7871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e7dfdf9ee02ffb61fe2b97effc536872b4b04717df48560764f1e2525e7871", kill_on_drop: false }`
[INFO] [stdout] 14e7dfdf9ee02ffb61fe2b97effc536872b4b04717df48560764f1e2525e7871