[INFO] fetching crate rust-openttd-admin 0.2.0...
[INFO] checking rust-openttd-admin-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rust-openttd-admin 0.2.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate rust-openttd-admin 0.2.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-openttd-admin 0.2.0
[INFO] finished tweaking crates.io crate rust-openttd-admin 0.2.0
[INFO] tweaked toml for crates.io crate rust-openttd-admin 0.2.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 73 packages
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding num-derive v0.2.5 (latest: v0.4.2)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest v0.9.6 (latest: v1.4.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding quote v0.6.13 (latest: v1.0.35)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (latest: v0.8.3)
[INFO] [stderr]       Adding rusty-fork v0.2.2 (latest: v0.3.0)
[INFO] [stderr]       Adding syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85a6b7c5b0ed7daf9ffa0c4cb2a61e584b13ffd1e963ae1135558c4d25975b9c
[INFO] running `Command { std: "docker" "start" "-a" "85a6b7c5b0ed7daf9ffa0c4cb2a61e584b13ffd1e963ae1135558c4d25975b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a6b7c5b0ed7daf9ffa0c4cb2a61e584b13ffd1e963ae1135558c4d25975b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a6b7c5b0ed7daf9ffa0c4cb2a61e584b13ffd1e963ae1135558c4d25975b9c", kill_on_drop: false }`
[INFO] [stdout] 85a6b7c5b0ed7daf9ffa0c4cb2a61e584b13ffd1e963ae1135558c4d25975b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcc63ad17d761f0169ad7135501ab69c86f6f54d1fdce6713f7bbb7e34e07350
[INFO] running `Command { std: "docker" "start" "-a" "bcc63ad17d761f0169ad7135501ab69c86f6f54d1fdce6713f7bbb7e34e07350", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rust-openttd-admin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/packet/serde/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/types/date.rs:433:1
[INFO] [stdout]     |
[INFO] [stdout] 433 | /// The number of days till the last day.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PacketRead` is imported redundantly
[INFO] [stdout]    --> src/packet/serde/de.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |     use super::PacketRead;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     use super::*;
[INFO] [stdout]     |         -------- the item `PacketRead` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/packet/serde/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/types/date.rs:435:31
[INFO] [stdout]     |
[INFO] [stdout] 435 |     static ref MAX_DAY: u32 = (days_till!(MAX_YEAR + 1) - 1);
[INFO] [stdout]     |                               ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 435 -     static ref MAX_DAY: u32 = (days_till!(MAX_YEAR + 1) - 1);
[INFO] [stdout] 435 +     static ref MAX_DAY: u32 = days_till!(MAX_YEAR + 1) - 1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/types/date.rs:433:1
[INFO] [stdout]     |
[INFO] [stdout] 433 | /// The number of days till the last day.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/types/date.rs:435:31
[INFO] [stdout]     |
[INFO] [stdout] 435 |     static ref MAX_DAY: u32 = (days_till!(MAX_YEAR + 1) - 1);
[INFO] [stdout]     |                               ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 435 -     static ref MAX_DAY: u32 = (days_till!(MAX_YEAR + 1) - 1);
[INFO] [stdout] 435 +     static ref MAX_DAY: u32 = days_till!(MAX_YEAR + 1) - 1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:46:44
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:47:46
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Error::Utf8Error(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:46:44
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:47:46
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Error::Utf8Error(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.33s
[INFO] running `Command { std: "docker" "inspect" "bcc63ad17d761f0169ad7135501ab69c86f6f54d1fdce6713f7bbb7e34e07350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc63ad17d761f0169ad7135501ab69c86f6f54d1fdce6713f7bbb7e34e07350", kill_on_drop: false }`
[INFO] [stdout] bcc63ad17d761f0169ad7135501ab69c86f6f54d1fdce6713f7bbb7e34e07350
[INFO] checking rust-openttd-admin-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rust-openttd-admin 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate rust-openttd-admin 0.2.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-openttd-admin 0.2.0
[INFO] finished tweaking crates.io crate rust-openttd-admin 0.2.0
[INFO] tweaked toml for crates.io crate rust-openttd-admin 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e6c73bf8ae3b640c8caab4cd6af182152d01ac284aa2c9ded9a4dbdba303709
[INFO] running `Command { std: "docker" "start" "-a" "6e6c73bf8ae3b640c8caab4cd6af182152d01ac284aa2c9ded9a4dbdba303709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e6c73bf8ae3b640c8caab4cd6af182152d01ac284aa2c9ded9a4dbdba303709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6c73bf8ae3b640c8caab4cd6af182152d01ac284aa2c9ded9a4dbdba303709", kill_on_drop: false }`
[INFO] [stdout] 6e6c73bf8ae3b640c8caab4cd6af182152d01ac284aa2c9ded9a4dbdba303709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f863ed766d242dfd8e917e7e0026adb5265197c05eed45a602848495a72c50be
[INFO] running `Command { std: "docker" "start" "-a" "f863ed766d242dfd8e917e7e0026adb5265197c05eed45a602848495a72c50be", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking miniz_oxide v0.7.2
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking backtrace v0.3.71
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rust-openttd-admin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/packet/serde/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/types/date.rs:433:1
[INFO] [stdout]     |
[INFO] [stdout] 433 | /// The number of days till the last day.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/types/date.rs:435:31
[INFO] [stdout]     |
[INFO] [stdout] 435 |     static ref MAX_DAY: u32 = (days_till!(MAX_YEAR + 1) - 1);
[INFO] [stdout]     |                               ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 435 -     static ref MAX_DAY: u32 = (days_till!(MAX_YEAR + 1) - 1);
[INFO] [stdout] 435 +     static ref MAX_DAY: u32 = days_till!(MAX_YEAR + 1) - 1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PacketRead` is imported redundantly
[INFO] [stdout]    --> src/packet/serde/de.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |     use super::PacketRead;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     use super::*;
[INFO] [stdout]     |         -------- the item `PacketRead` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/packet/serde/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/types/date.rs:433:1
[INFO] [stdout]     |
[INFO] [stdout] 433 | /// The number of days till the last day.
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ rustdoc does not generate documentation for macro invocations
[INFO] [stdout]     |
[INFO] [stdout]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/types/date.rs:435:31
[INFO] [stdout]     |
[INFO] [stdout] 435 |     static ref MAX_DAY: u32 = (days_till!(MAX_YEAR + 1) - 1);
[INFO] [stdout]     |                               ^                            ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 435 -     static ref MAX_DAY: u32 = (days_till!(MAX_YEAR + 1) - 1);
[INFO] [stdout] 435 +     static ref MAX_DAY: u32 = days_till!(MAX_YEAR + 1) - 1;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:37:48
[INFO] [stdout]    |
[INFO] [stdout] 37 |         formatter.write_str(std::error::Error::description(self))
[INFO] [stdout]    |                                                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:46:44
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:47:46
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Error::Utf8Error(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:46:44
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Error::IoError(ref err) => err.description(),
[INFO] [stdout]    |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/packet/serde/error.rs:47:46
[INFO] [stdout]    |
[INFO] [stdout] 47 |             Error::Utf8Error(ref err) => err.description(),
[INFO] [stdout]    |                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.71s
[INFO] running `Command { std: "docker" "inspect" "f863ed766d242dfd8e917e7e0026adb5265197c05eed45a602848495a72c50be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f863ed766d242dfd8e917e7e0026adb5265197c05eed45a602848495a72c50be", kill_on_drop: false }`
[INFO] [stdout] f863ed766d242dfd8e917e7e0026adb5265197c05eed45a602848495a72c50be