[INFO] fetching crate bff 1.0.0...
[INFO] checking bff-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate bff 1.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate bff 1.0.0 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 bff 1.0.0
[INFO] finished tweaking crates.io crate bff 1.0.0
[INFO] tweaked toml for crates.io crate bff 1.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate bff 1.0.0 already has a lockfile, it will not be regenerated
[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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.4
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded rand_core v0.6.3
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[INFO] [stderr]   Downloaded termtree v0.2.4
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[INFO] [stderr]   Downloaded predicates-core v1.0.3
[INFO] [stderr]   Downloaded anyhow v1.0.52
[INFO] [stderr]   Downloaded indexmap v1.8.0
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded libc v0.2.112
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded clap v3.0.10
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded regex v1.5.4
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded wait-timeout v0.2.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.4
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded quote v1.0.14
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded clap_derive v3.0.6
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded log v0.4.14
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded colour v0.6.0
[INFO] [stderr]   Downloaded itertools v0.10.3
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded predicates v2.1.1
[INFO] [stderr]   Downloaded rand_hc v0.3.1
[INFO] [stderr]   Downloaded rand v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 12bef9839701adb1fd4e870c4cdee4d853bbc6efa09be0acbcd9e8a69ec71978
[INFO] running `Command { std: "docker" "start" "-a" "12bef9839701adb1fd4e870c4cdee4d853bbc6efa09be0acbcd9e8a69ec71978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12bef9839701adb1fd4e870c4cdee4d853bbc6efa09be0acbcd9e8a69ec71978", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12bef9839701adb1fd4e870c4cdee4d853bbc6efa09be0acbcd9e8a69ec71978", kill_on_drop: false }`
[INFO] [stdout] 12bef9839701adb1fd4e870c4cdee4d853bbc6efa09be0acbcd9e8a69ec71978
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a26287801bad84363afcd2ada5c19fd25823270954c6f3267956c188e80f8745
[INFO] running `Command { std: "docker" "start" "-a" "a26287801bad84363afcd2ada5c19fd25823270954c6f3267956c188e80f8745", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking colour v0.6.0
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]     Checking clap v3.0.10
[INFO] [stderr]     Checking bff v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/program/delta.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/program/delta.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.48s
[INFO] running `Command { std: "docker" "inspect" "a26287801bad84363afcd2ada5c19fd25823270954c6f3267956c188e80f8745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26287801bad84363afcd2ada5c19fd25823270954c6f3267956c188e80f8745", kill_on_drop: false }`
[INFO] [stdout] a26287801bad84363afcd2ada5c19fd25823270954c6f3267956c188e80f8745
[INFO] checking bff-1.0.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate bff 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate bff 1.0.0 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 bff 1.0.0
[INFO] finished tweaking crates.io crate bff 1.0.0
[INFO] tweaked toml for crates.io crate bff 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate bff 1.0.0 already has a lockfile, it will not be regenerated
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] e6fc539c084cb46279e6e1d3ee6204c5848b6dbc250b989c73692946169f7e7a
[INFO] running `Command { std: "docker" "start" "-a" "e6fc539c084cb46279e6e1d3ee6204c5848b6dbc250b989c73692946169f7e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6fc539c084cb46279e6e1d3ee6204c5848b6dbc250b989c73692946169f7e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6fc539c084cb46279e6e1d3ee6204c5848b6dbc250b989c73692946169f7e7a", kill_on_drop: false }`
[INFO] [stdout] e6fc539c084cb46279e6e1d3ee6204c5848b6dbc250b989c73692946169f7e7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d29274c5b808aad513bffd4e0eaf0b63765d0b261566b09850a1dfee51fe8289
[INFO] running `Command { std: "docker" "start" "-a" "d29274c5b808aad513bffd4e0eaf0b63765d0b261566b09850a1dfee51fe8289", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking predicates-core v1.0.3
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking termtree v0.2.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking predicates-tree v1.0.5
[INFO] [stderr]     Checking colour v0.6.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking predicates v2.1.1
[INFO] [stderr]     Checking assert_cmd v2.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]     Checking clap v3.0.10
[INFO] [stderr]     Checking bff v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/program/delta.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Default` is imported redundantly
[INFO] [stdout]  --> src/program/delta.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::default::Default;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:144:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Default` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.76s
[INFO] running `Command { std: "docker" "inspect" "d29274c5b808aad513bffd4e0eaf0b63765d0b261566b09850a1dfee51fe8289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d29274c5b808aad513bffd4e0eaf0b63765d0b261566b09850a1dfee51fe8289", kill_on_drop: false }`
[INFO] [stdout] d29274c5b808aad513bffd4e0eaf0b63765d0b261566b09850a1dfee51fe8289