[INFO] fetching crate rash 0.6.0...
[INFO] checking rash-0.6.0 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate rash 0.6.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate rash 0.6.0 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rash 0.6.0
[INFO] finished tweaking crates.io crate rash 0.6.0
[INFO] tweaked toml for crates.io crate rash 0.6.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6248607a2d49c13d01bbe8561c63252b3635f513b0a2ceada197acb76f15a01
[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" "b6248607a2d49c13d01bbe8561c63252b3635f513b0a2ceada197acb76f15a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6248607a2d49c13d01bbe8561c63252b3635f513b0a2ceada197acb76f15a01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6248607a2d49c13d01bbe8561c63252b3635f513b0a2ceada197acb76f15a01", kill_on_drop: false }`
[INFO] [stdout] b6248607a2d49c13d01bbe8561c63252b3635f513b0a2ceada197acb76f15a01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43dcbcad2140e75c8f815fd427a3d79d387a91771579f99b0e1d25944a77749e
[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" "43dcbcad2140e75c8f815fd427a3d79d387a91771579f99b0e1d25944a77749e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking block-buffer v0.2.0-tmp
[INFO] [stderr]     Checking sha3 v0.7.3
[INFO] [stderr]     Checking whirlpool v0.7.1
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking groestl v0.7.0
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking ripemd160 v0.7.0
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling test-case-derive v0.2.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling rash v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking assert_cli v0.6.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.06s
[INFO] running `Command { std: "docker" "inspect" "43dcbcad2140e75c8f815fd427a3d79d387a91771579f99b0e1d25944a77749e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43dcbcad2140e75c8f815fd427a3d79d387a91771579f99b0e1d25944a77749e", kill_on_drop: false }`
[INFO] [stdout] 43dcbcad2140e75c8f815fd427a3d79d387a91771579f99b0e1d25944a77749e