[INFO] fetching crate fastar 0.2.0...
[INFO] checking fastar-0.2.0 against master#4a0ee3cdc66573c8b46471462db7088a89d25183 for pr-102513-1
[INFO] extracting crate fastar 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fastar 0.2.0 on toolchain 4a0ee3cdc66573c8b46471462db7088a89d25183
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastar 0.2.0
[INFO] finished tweaking crates.io crate fastar 0.2.0
[INFO] tweaked toml for crates.io crate fastar 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate fastar 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded rand_chacha v0.3.1
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded case v0.1.0
[INFO] [stderr]   Downloaded uuid v0.3.1
[INFO] [stderr]   Downloaded nix v0.20.2
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded platter-walk v0.1.3
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.15
[INFO] [stderr]   Downloaded miniz-sys v0.1.12
[INFO] [stderr]   Downloaded remove_dir_all v0.5.3
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded mnt v0.3.1
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded rand_core v0.6.3
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded tempfile v3.2.0
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded derive-error v0.0.5
[INFO] [stderr]   Downloaded reapfrog v0.2.0
[INFO] [stderr]   Downloaded minilzo v0.1.2
[INFO] [stderr]   Downloaded minilzo-sys v0.1.0
[INFO] [stderr]   Downloaded btrfs2 v1.2.2
[INFO] [stderr]   Downloaded flate2 v0.2.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393492ee6bad4d8234d5e837ff6a82145b111885a3a871ef0d586eb4359efa77
[INFO] running `Command { std: "docker" "start" "-a" "393492ee6bad4d8234d5e837ff6a82145b111885a3a871ef0d586eb4359efa77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393492ee6bad4d8234d5e837ff6a82145b111885a3a871ef0d586eb4359efa77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393492ee6bad4d8234d5e837ff6a82145b111885a3a871ef0d586eb4359efa77", kill_on_drop: false }`
[INFO] [stdout] 393492ee6bad4d8234d5e837ff6a82145b111885a3a871ef0d586eb4359efa77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cb5a8a74c97499906c601aec6ba6a1541aeabe23f3f036264354a484d32f370
[INFO] running `Command { std: "docker" "start" "-a" "9cb5a8a74c97499906c601aec6ba6a1541aeabe23f3f036264354a484d32f370", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking mnt v0.3.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking reapfrog v0.2.0
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling derive-error v0.0.5
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking btrfs2 v1.2.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking platter-walk v0.1.3
[INFO] [stderr]     Checking fastar v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: btrfs2 v1.2.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "9cb5a8a74c97499906c601aec6ba6a1541aeabe23f3f036264354a484d32f370", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb5a8a74c97499906c601aec6ba6a1541aeabe23f3f036264354a484d32f370", kill_on_drop: false }`
[INFO] [stdout] 9cb5a8a74c97499906c601aec6ba6a1541aeabe23f3f036264354a484d32f370