[INFO] fetching crate jpre 0.2.4...
[INFO] checking jpre-0.2.4 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate jpre 0.2.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate jpre 0.2.4 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 jpre 0.2.4
[INFO] finished tweaking crates.io crate jpre 0.2.4
[INFO] tweaked toml for crates.io crate jpre 0.2.4 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate jpre 0.2.4 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 11eea4ec1c37da7e2436b10c6493066841aabcbfb8e8525d0c2efc6b158360e0
[INFO] running `Command { std: "docker" "start" "-a" "11eea4ec1c37da7e2436b10c6493066841aabcbfb8e8525d0c2efc6b158360e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11eea4ec1c37da7e2436b10c6493066841aabcbfb8e8525d0c2efc6b158360e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11eea4ec1c37da7e2436b10c6493066841aabcbfb8e8525d0c2efc6b158360e0", kill_on_drop: false }`
[INFO] [stdout] 11eea4ec1c37da7e2436b10c6493066841aabcbfb8e8525d0c2efc6b158360e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33d4be319f097cc0b550c4dea44aaab87494574542ac590bca5d0aa63ae9892f
[INFO] running `Command { std: "docker" "start" "-a" "33d4be319f097cc0b550c4dea44aaab87494574542ac590bca5d0aa63ae9892f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking wildmatch v1.0.11
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking libflate v1.0.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking stderrlog v0.5.0
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking attohttpc v0.16.0
[INFO] [stderr]     Checking jpre v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "33d4be319f097cc0b550c4dea44aaab87494574542ac590bca5d0aa63ae9892f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d4be319f097cc0b550c4dea44aaab87494574542ac590bca5d0aa63ae9892f", kill_on_drop: false }`
[INFO] [stdout] 33d4be319f097cc0b550c4dea44aaab87494574542ac590bca5d0aa63ae9892f