[INFO] fetching crate msgpacker 0.4.3...
[INFO] checking msgpacker-0.4.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate msgpacker 0.4.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate msgpacker 0.4.3 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 msgpacker 0.4.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate msgpacker 0.4.3
[INFO] tweaked toml for crates.io crate msgpacker 0.4.3 written to /workspace/builds/worker-3-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 48 packages
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (latest: v0.4.0)
[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 syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded msgpacker-derive v0.3.1
[INFO] [stderr]   Downloaded proptest-derive v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] d363cd4853cee9b9b958c20ce7088d64776544ea1f2bda14220f378c6ab093dc
[INFO] running `Command { std: "docker" "start" "-a" "d363cd4853cee9b9b958c20ce7088d64776544ea1f2bda14220f378c6ab093dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d363cd4853cee9b9b958c20ce7088d64776544ea1f2bda14220f378c6ab093dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d363cd4853cee9b9b958c20ce7088d64776544ea1f2bda14220f378c6ab093dc", kill_on_drop: false }`
[INFO] [stdout] d363cd4853cee9b9b958c20ce7088d64776544ea1f2bda14220f378c6ab093dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 354662f19135ba5b8e7022916c78b20b3f6d89cff365cf8c209db128eb45dca1
[INFO] running `Command { std: "docker" "start" "-a" "354662f19135ba5b8e7022916c78b20b3f6d89cff365cf8c209db128eb45dca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling msgpacker-derive v0.3.1
[INFO] [stderr]     Checking msgpacker v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/extension.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use alloc::{vec, vec::Vec};
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/pack/binary.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/pack/binary.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/unpack/binary.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/unpack/binary.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/pack/binary.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/pack/binary.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/unpack/binary.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/unpack/binary.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.72s
[INFO] running `Command { std: "docker" "inspect" "354662f19135ba5b8e7022916c78b20b3f6d89cff365cf8c209db128eb45dca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354662f19135ba5b8e7022916c78b20b3f6d89cff365cf8c209db128eb45dca1", kill_on_drop: false }`
[INFO] [stdout] 354662f19135ba5b8e7022916c78b20b3f6d89cff365cf8c209db128eb45dca1
[INFO] checking msgpacker-0.4.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate msgpacker 0.4.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate msgpacker 0.4.3 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate msgpacker 0.4.3
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate msgpacker 0.4.3
[INFO] tweaked toml for crates.io crate msgpacker 0.4.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 48 packages
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding proc-macro2 v0.4.30 (latest: v1.0.79)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (latest: v0.4.0)
[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 syn v0.15.44 (latest: v2.0.58)
[INFO] [stderr]       Adding unicode-xid v0.1.0 (latest: v0.2.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39b387b6e7b1cd8f05d72ffb6a4122fa24eadf1ae7ba13a73991b0b7990b5b44
[INFO] running `Command { std: "docker" "start" "-a" "39b387b6e7b1cd8f05d72ffb6a4122fa24eadf1ae7ba13a73991b0b7990b5b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39b387b6e7b1cd8f05d72ffb6a4122fa24eadf1ae7ba13a73991b0b7990b5b44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b387b6e7b1cd8f05d72ffb6a4122fa24eadf1ae7ba13a73991b0b7990b5b44", kill_on_drop: false }`
[INFO] [stdout] 39b387b6e7b1cd8f05d72ffb6a4122fa24eadf1ae7ba13a73991b0b7990b5b44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bfc017e3a5fe35c5d84314a5ef73f2d415471fa91a7e9d4a682614a6abe6bb5
[INFO] running `Command { std: "docker" "start" "-a" "7bfc017e3a5fe35c5d84314a5ef73f2d415471fa91a7e9d4a682614a6abe6bb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]    Compiling msgpacker-derive v0.3.1
[INFO] [stderr]     Checking msgpacker v0.4.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/extension.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | use alloc::{vec, vec::Vec};
[INFO] [stdout]   |                  ^^^^^^^^
[INFO] [stdout]  --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/pack/binary.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/pack/binary.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/unpack/binary.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/unpack/binary.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/pack/binary.rs:60:19
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/pack/binary.rs:60:35
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]   --> src/unpack/binary.rs:41:19
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/unpack/binary.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |     use ::alloc::{string::String, vec::Vec};
[INFO] [stdout]    |                                   ^^^^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.27s
[INFO] running `Command { std: "docker" "inspect" "7bfc017e3a5fe35c5d84314a5ef73f2d415471fa91a7e9d4a682614a6abe6bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bfc017e3a5fe35c5d84314a5ef73f2d415471fa91a7e9d4a682614a6abe6bb5", kill_on_drop: false }`
[INFO] [stdout] 7bfc017e3a5fe35c5d84314a5ef73f2d415471fa91a7e9d4a682614a6abe6bb5