[INFO] fetching crate diener 0.2.0...
[INFO] checking diener-0.2.0 against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] extracting crate diener 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate diener 0.2.0 on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diener 0.2.0
[INFO] finished tweaking crates.io crate diener 0.2.0
[INFO] tweaked toml for crates.io crate diener 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate diener 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded toml_edit v0.2.0
[INFO] [stderr]   Downloaded git-url-parse v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75d617a0e7b51f8088736f0dff151cefe0985931daa883685cf62d8b2621f99c
[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" "75d617a0e7b51f8088736f0dff151cefe0985931daa883685cf62d8b2621f99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75d617a0e7b51f8088736f0dff151cefe0985931daa883685cf62d8b2621f99c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75d617a0e7b51f8088736f0dff151cefe0985931daa883685cf62d8b2621f99c", kill_on_drop: false }`
[INFO] [stdout] 75d617a0e7b51f8088736f0dff151cefe0985931daa883685cf62d8b2621f99c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb7efd72ed493b3c3dae86de7a9ac0e0139e36f499a4acbb12967b81f973f760
[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" "cb7efd72ed493b3c3dae86de7a9ac0e0139e36f499a4acbb12967b81f973f760", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking strum v0.18.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking toml_edit v0.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling strum_macros v0.18.0
[INFO] [stderr]     Checking git-url-parse v0.2.0
[INFO] [stderr]     Checking structopt v0.3.17
[INFO] [stderr]     Checking diener v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "cb7efd72ed493b3c3dae86de7a9ac0e0139e36f499a4acbb12967b81f973f760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7efd72ed493b3c3dae86de7a9ac0e0139e36f499a4acbb12967b81f973f760", kill_on_drop: false }`
[INFO] [stdout] cb7efd72ed493b3c3dae86de7a9ac0e0139e36f499a4acbb12967b81f973f760