[INFO] fetching crate farm 1.1.0...
[INFO] checking farm-1.1.0 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate farm 1.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate farm 1.1.0 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded r2d2 v0.8.9
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded named_pipe v0.3.0
[INFO] [stderr]   Downloaded nix v0.11.1
[INFO] [stderr]   Downloaded checked v0.5.0
[INFO] [stderr]   Downloaded uuid v0.7.4
[INFO] [stderr]   Downloaded twox-hash v1.5.0
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded base64 v0.10.1
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded url v1.7.2
[INFO] [stderr]   Downloaded mysql_common v0.12.0
[INFO] [stderr]   Downloaded mysql v14.2.0
[INFO] [stderr]   Downloaded idna v0.1.5
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.5
[INFO] [stderr]   Downloaded atoi v0.2.4
[INFO] [stderr]   Downloaded r2d2_mysql v9.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1bba0e7ac9ebbdd19ea89f8ce226a27863123f059170fd7a532c75d4eacedd72
[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" "1bba0e7ac9ebbdd19ea89f8ce226a27863123f059170fd7a532c75d4eacedd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bba0e7ac9ebbdd19ea89f8ce226a27863123f059170fd7a532c75d4eacedd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bba0e7ac9ebbdd19ea89f8ce226a27863123f059170fd7a532c75d4eacedd72", kill_on_drop: false }`
[INFO] [stdout] 1bba0e7ac9ebbdd19ea89f8ce226a27863123f059170fd7a532c75d4eacedd72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "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] de0e862c70470c08dc0d30ca182e73e3b17d75dd155f12782dc4ab06df6ccaf3
[INFO] running `Command { std: "docker" "start" "-a" "de0e862c70470c08dc0d30ca182e73e3b17d75dd155f12782dc4ab06df6ccaf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.77
[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]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking instant v0.1.7
[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 crc32fast v1.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]    Compiling syn v1.0.42
[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]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling rayon v1.4.1
[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 block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking nix v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking atoi v0.2.4
[INFO] [stderr]     Checking checked v0.5.0
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]     Checking backtrace v0.3.51
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking mysql_common v0.12.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking mysql v14.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking r2d2_mysql v9.0.0
[INFO] [stderr]     Checking farm v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.38s
[INFO] running `Command { std: "docker" "inspect" "de0e862c70470c08dc0d30ca182e73e3b17d75dd155f12782dc4ab06df6ccaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de0e862c70470c08dc0d30ca182e73e3b17d75dd155f12782dc4ab06df6ccaf3", kill_on_drop: false }`
[INFO] [stdout] de0e862c70470c08dc0d30ca182e73e3b17d75dd155f12782dc4ab06df6ccaf3