[INFO] fetching crate farm 1.1.0...
[INFO] checking farm-1.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate farm 1.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate farm 1.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate farm 1.1.0
[INFO] finished tweaking crates.io crate farm 1.1.0
[INFO] tweaked toml for crates.io crate farm 1.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r2d2_mysql v9.0.0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4129f870eb0c790285f7a013a097264dae83ad56c21930fd55e4666b6478071
[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" "e4129f870eb0c790285f7a013a097264dae83ad56c21930fd55e4666b6478071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4129f870eb0c790285f7a013a097264dae83ad56c21930fd55e4666b6478071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4129f870eb0c790285f7a013a097264dae83ad56c21930fd55e4666b6478071", kill_on_drop: false }`
[INFO] [stdout] e4129f870eb0c790285f7a013a097264dae83ad56c21930fd55e4666b6478071
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f37fe7a754b7d83449c679c55920defc04d36b0d4fba052f5bfc4b0c955b760
[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" "9f37fe7a754b7d83449c679c55920defc04d36b0d4fba052f5bfc4b0c955b760", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking atoi v0.2.4
[INFO] [stderr]     Checking checked v0.5.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking mysql_common v0.12.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking mysql v14.2.0
[INFO] [stderr]     Checking r2d2_mysql v9.0.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking farm v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.16s
[INFO] running `Command { std: "docker" "inspect" "9f37fe7a754b7d83449c679c55920defc04d36b0d4fba052f5bfc4b0c955b760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f37fe7a754b7d83449c679c55920defc04d36b0d4fba052f5bfc4b0c955b760", kill_on_drop: false }`
[INFO] [stdout] 9f37fe7a754b7d83449c679c55920defc04d36b0d4fba052f5bfc4b0c955b760