[INFO] fetching crate a3mo_lib 0.3.0...
[INFO] checking a3mo_lib-0.3.0 against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] extracting crate a3mo_lib 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate a3mo_lib 0.3.0 on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a3mo_lib 0.3.0
[INFO] finished tweaking crates.io crate a3mo_lib 0.3.0
[INFO] tweaked toml for crates.io crate a3mo_lib 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "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] 260f11dbd5d741ea5ccc74f6d929e8b407e4b23ce4d0d3eb420d6a7f9aaeaf59
[INFO] running `Command { std: "docker" "start" "-a" "260f11dbd5d741ea5ccc74f6d929e8b407e4b23ce4d0d3eb420d6a7f9aaeaf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "260f11dbd5d741ea5ccc74f6d929e8b407e4b23ce4d0d3eb420d6a7f9aaeaf59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "260f11dbd5d741ea5ccc74f6d929e8b407e4b23ce4d0d3eb420d6a7f9aaeaf59", kill_on_drop: false }`
[INFO] [stdout] 260f11dbd5d741ea5ccc74f6d929e8b407e4b23ce4d0d3eb420d6a7f9aaeaf59
[INFO] running `Command { std: "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" "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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78528dce5d5b8001f45c18f6558726315d2b816395869309eab4bc28486f10a7
[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" "78528dce5d5b8001f45c18f6558726315d2b816395869309eab4bc28486f10a7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking custom_error v1.8.0
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking faster-hex v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking foreign-types v0.3.2
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling rustc-test v0.3.0
[INFO] [stderr]     Checking base64 v0.10.1
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[INFO] [stderr]     Checking crossbeam-utils v0.8.0
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[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking mime_guess v2.0.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking indextree v4.3.1
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libsqlite3-sys v0.16.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking xorshift v0.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking delta_patch v0.1.0
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking rusqlite v0.20.0
[INFO] [stderr]     Checking a3mo_lib v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "78528dce5d5b8001f45c18f6558726315d2b816395869309eab4bc28486f10a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78528dce5d5b8001f45c18f6558726315d2b816395869309eab4bc28486f10a7", kill_on_drop: false }`
[INFO] [stdout] 78528dce5d5b8001f45c18f6558726315d2b816395869309eab4bc28486f10a7