[INFO] fetching crate buildchain 0.5.1...
[INFO] checking buildchain-0.5.1 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate buildchain 0.5.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate buildchain 0.5.1 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buildchain 0.5.1
[INFO] finished tweaking crates.io crate buildchain 0.5.1
[INFO] tweaked toml for crates.io crate buildchain 0.5.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate buildchain 0.5.1 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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded index-fixed v0.3.1
[INFO] [stderr]   Downloaded lxd v0.1.9
[INFO] [stderr]   Downloaded sodalite v0.4.0
[INFO] [stderr]   Downloaded os_str_bytes v6.5.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.67
[INFO] [stderr]   Downloaded textwrap v0.16.0
[INFO] [stderr]   Downloaded syn v2.0.37
[INFO] [stderr]   Downloaded rustix v0.38.14
[INFO] [stderr]   Downloaded libc v0.2.148
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.7
[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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 638267c43f5ed528b38722b8f494de64144b375a11fd13d95e5797d7a98f8922
[INFO] running `Command { std: "docker" "start" "-a" "638267c43f5ed528b38722b8f494de64144b375a11fd13d95e5797d7a98f8922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "638267c43f5ed528b38722b8f494de64144b375a11fd13d95e5797d7a98f8922", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "638267c43f5ed528b38722b8f494de64144b375a11fd13d95e5797d7a98f8922", kill_on_drop: false }`
[INFO] [stdout] 638267c43f5ed528b38722b8f494de64144b375a11fd13d95e5797d7a98f8922
[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" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddd25edcb024d4ea51f097ef0b685f141aa4069842bbb1a0ea272beea98afa72
[INFO] running `Command { std: "docker" "start" "-a" "ddd25edcb024d4ea51f097ef0b685f141aa4069842bbb1a0ea272beea98afa72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking index-fixed v0.3.1
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking sodalite v0.4.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking reqwest v0.11.20
[INFO] [stderr]     Checking lxd v0.1.9
[INFO] [stderr]     Checking buildchain v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tempdir`
[INFO] [stdout]    --> src/store.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |     use tempdir::TempDir;
[INFO] [stdout]     |         ^^^^^^^ use of undeclared crate or module `tempdir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `plain` is imported redundantly
[INFO] [stdout]  --> src/block.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plain::{self, Plain};
[INFO] [stdout]   |             ^^^^ the item `plain` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sha2` is imported redundantly
[INFO] [stdout]  --> src/sha384.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::{self, Digest};
[INFO] [stdout]   |            ^^^^ the item `sha2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `base32` is imported redundantly
[INFO] [stdout]  --> src/store.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use base32::{self, Alphabet};
[INFO] [stdout]   |              ^^^^ the item `base32` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `plain` is imported redundantly
[INFO] [stdout]  --> src/block.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plain::{self, Plain};
[INFO] [stdout]   |             ^^^^ the item `plain` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sha2` is imported redundantly
[INFO] [stdout]  --> src/sha384.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::{self, Digest};
[INFO] [stdout]   |            ^^^^ the item `sha2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `base32` is imported redundantly
[INFO] [stdout]  --> src/store.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use base32::{self, Alphabet};
[INFO] [stdout]   |              ^^^^ the item `base32` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `buildchain` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ddd25edcb024d4ea51f097ef0b685f141aa4069842bbb1a0ea272beea98afa72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd25edcb024d4ea51f097ef0b685f141aa4069842bbb1a0ea272beea98afa72", kill_on_drop: false }`
[INFO] [stdout] ddd25edcb024d4ea51f097ef0b685f141aa4069842bbb1a0ea272beea98afa72
[INFO] checking buildchain-0.5.1 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate buildchain 0.5.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate buildchain 0.5.1 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate buildchain 0.5.1
[INFO] finished tweaking crates.io crate buildchain 0.5.1
[INFO] tweaked toml for crates.io crate buildchain 0.5.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate buildchain 0.5.1 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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7a141872c675f26eb97745e2ed0e95e76d0498994c50551e41f245748277fa5
[INFO] running `Command { std: "docker" "start" "-a" "d7a141872c675f26eb97745e2ed0e95e76d0498994c50551e41f245748277fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7a141872c675f26eb97745e2ed0e95e76d0498994c50551e41f245748277fa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a141872c675f26eb97745e2ed0e95e76d0498994c50551e41f245748277fa5", kill_on_drop: false }`
[INFO] [stdout] d7a141872c675f26eb97745e2ed0e95e76d0498994c50551e41f245748277fa5
[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" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0de43c25ff367415bcee0e2b7bab329bc9a818a75360cb00dd35b706330fd2ac
[INFO] running `Command { std: "docker" "start" "-a" "0de43c25ff367415bcee0e2b7bab329bc9a818a75360cb00dd35b706330fd2ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling openssl v0.10.57
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking try-lock v0.2.4
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]    Compiling rustix v0.38.14
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking os_str_bytes v6.5.1
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking encoding_rs v0.8.33
[INFO] [stderr]     Checking http v0.2.9
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking index-fixed v0.3.1
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking ipnet v2.8.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking sodalite v0.4.0
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling openssl-sys v0.9.93
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking tempfile v3.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking tokio-native-tls v0.3.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.20
[INFO] [stderr]     Checking lxd v0.1.9
[INFO] [stderr]     Checking buildchain v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tempdir`
[INFO] [stdout]    --> src/store.rs:223:9
[INFO] [stdout]     |
[INFO] [stdout] 223 |     use tempdir::TempDir;
[INFO] [stdout]     |         ^^^^^^^ use of undeclared crate or module `tempdir`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `plain` is imported redundantly
[INFO] [stdout]  --> src/block.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plain::{self, Plain};
[INFO] [stdout]   |             ^^^^ the item `plain` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sha2` is imported redundantly
[INFO] [stdout]  --> src/sha384.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::{self, Digest};
[INFO] [stdout]   |            ^^^^ the item `sha2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `base32` is imported redundantly
[INFO] [stdout]  --> src/store.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use base32::{self, Alphabet};
[INFO] [stdout]   |              ^^^^ the item `base32` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `plain` is imported redundantly
[INFO] [stdout]  --> src/block.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use plain::{self, Plain};
[INFO] [stdout]   |             ^^^^ the item `plain` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sha2` is imported redundantly
[INFO] [stdout]  --> src/sha384.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | use sha2::{self, Digest};
[INFO] [stdout]   |            ^^^^ the item `sha2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `base32` is imported redundantly
[INFO] [stdout]  --> src/store.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | use base32::{self, Alphabet};
[INFO] [stdout]   |              ^^^^ the item `base32` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `buildchain` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0de43c25ff367415bcee0e2b7bab329bc9a818a75360cb00dd35b706330fd2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de43c25ff367415bcee0e2b7bab329bc9a818a75360cb00dd35b706330fd2ac", kill_on_drop: false }`
[INFO] [stdout] 0de43c25ff367415bcee0e2b7bab329bc9a818a75360cb00dd35b706330fd2ac
