[INFO] fetching crate brokkr 0.1.1...
[INFO] checking brokkr-0.1.1 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate brokkr 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate brokkr 0.1.1 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate brokkr 0.1.1
[INFO] finished tweaking crates.io crate brokkr 0.1.1
[INFO] tweaked toml for crates.io crate brokkr 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37bfc2723901c716c719db0ab79899d3c270b243b12c20f2a3b9bd5b58f557e9
[INFO] running `Command { std: "docker" "start" "-a" "37bfc2723901c716c719db0ab79899d3c270b243b12c20f2a3b9bd5b58f557e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37bfc2723901c716c719db0ab79899d3c270b243b12c20f2a3b9bd5b58f557e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37bfc2723901c716c719db0ab79899d3c270b243b12c20f2a3b9bd5b58f557e9", kill_on_drop: false }`
[INFO] [stdout] 37bfc2723901c716c719db0ab79899d3c270b243b12c20f2a3b9bd5b58f557e9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c364cef6d05654508e4cfb06cff3d6e5e79729e77d2de1b2b6c15a17ab2557c1
[INFO] running `Command { std: "docker" "start" "-a" "c364cef6d05654508e4cfb06cff3d6e5e79729e77d2de1b2b6c15a17ab2557c1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling redis v0.9.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking memchr v2.4.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking tokio-executor v0.1.10
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[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
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[INFO] [stderr]     Checking chrono v0.4.19
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[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking brokkr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |   fn cause(&self) -> Option<&_Error> {
[INFO] [stdout]    |                              ^^^^^^ help: use `dyn`: `dyn _Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:38:30
[INFO] [stdout]    |
[INFO] [stdout] 38 |   fn cause(&self) -> Option<&_Error> {
[INFO] [stdout]    |                              ^^^^^^ help: use `dyn`: `dyn _Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     f.write_str(self.description())
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |       Error::RedisError(e) => e.description(),
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |       Error::SerdeError(e) => e.description(),
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     f.write_str(self.description())
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:33:33
[INFO] [stdout]    |
[INFO] [stdout] 33 |       Error::RedisError(e) => e.description(),
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:34:33
[INFO] [stdout]    |
[INFO] [stdout] 34 |       Error::SerdeError(e) => e.description(),
[INFO] [stdout]    |                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.95s
[INFO] running `Command { std: "docker" "inspect" "c364cef6d05654508e4cfb06cff3d6e5e79729e77d2de1b2b6c15a17ab2557c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c364cef6d05654508e4cfb06cff3d6e5e79729e77d2de1b2b6c15a17ab2557c1", kill_on_drop: false }`
[INFO] [stdout] c364cef6d05654508e4cfb06cff3d6e5e79729e77d2de1b2b6c15a17ab2557c1