[INFO] fetching crate statsrelay 3.0.1...
[INFO] checking statsrelay-3.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate statsrelay 3.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate statsrelay 3.0.1 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] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate statsrelay 3.0.1
[INFO] finished tweaking crates.io crate statsrelay 3.0.1
[INFO] tweaked toml for crates.io crate statsrelay 3.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate statsrelay 3.0.1 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 802b5163f82e3ac58a2ae25f282134205250a5e9b7e530e2e13f0620ba00fe35
[INFO] running `Command { std: "docker" "start" "-a" "802b5163f82e3ac58a2ae25f282134205250a5e9b7e530e2e13f0620ba00fe35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "802b5163f82e3ac58a2ae25f282134205250a5e9b7e530e2e13f0620ba00fe35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "802b5163f82e3ac58a2ae25f282134205250a5e9b7e530e2e13f0620ba00fe35", kill_on_drop: false }`
[INFO] [stdout] 802b5163f82e3ac58a2ae25f282134205250a5e9b7e530e2e13f0620ba00fe35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d196a9903847086ab81f096acc92001050dcac91ae2d0fe12adbf6597953ade8
[INFO] running `Command { std: "docker" "start" "-a" "d196a9903847086ab81f096acc92001050dcac91ae2d0fe12adbf6597953ade8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]     Checking once_cell v1.5.2
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[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]    Compiling ryu v1.0.5
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[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking smallvec v1.5.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
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[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v0.3.4
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking crossbeam-epoch v0.9.0
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[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
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[INFO] [stderr]    Compiling anyhow v1.0.34
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[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]    Compiling heck v0.3.1
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[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking crossbeam-queue v0.3.0
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[INFO] [stderr]     Checking tower-service v0.3.0
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[INFO] [stderr]     Checking crossbeam v0.8.0
[INFO] [stderr]     Checking qp-trie v0.7.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking murmur3 v0.5.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libgit2-sys v0.12.14+1.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking remove_dir_all v0.5.3
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[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling git2 v0.13.12
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking stream-cancel v0.7.0
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling built v0.4.3
[INFO] [stderr]    Compiling statsrelay v3.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `murmur3` is imported redundantly
[INFO] [stdout]  --> src/shard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use murmur3;
[INFO] [stdout]   |     ^^^^^^^ the item `murmur3` 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 `murmur3` is imported redundantly
[INFO] [stdout]  --> src/shard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use murmur3;
[INFO] [stdout]   |     ^^^^^^^ the item `murmur3` is already defined by prelude
[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 36.18s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v4.0.1, criterion v0.3.3, git2 v0.13.12
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "d196a9903847086ab81f096acc92001050dcac91ae2d0fe12adbf6597953ade8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d196a9903847086ab81f096acc92001050dcac91ae2d0fe12adbf6597953ade8", kill_on_drop: false }`
[INFO] [stdout] d196a9903847086ab81f096acc92001050dcac91ae2d0fe12adbf6597953ade8
[INFO] checking statsrelay-3.0.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate statsrelay 3.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate statsrelay 3.0.1 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] removed /workspace/builds/worker-5-tc2/source/.cargo/config
[INFO] started tweaking crates.io crate statsrelay 3.0.1
[INFO] finished tweaking crates.io crate statsrelay 3.0.1
[INFO] tweaked toml for crates.io crate statsrelay 3.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate statsrelay 3.0.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fcd9e222710efe3c71a4e776235b5c7e62fd6d02b25ae71f455aa748a0300593
[INFO] running `Command { std: "docker" "start" "-a" "fcd9e222710efe3c71a4e776235b5c7e62fd6d02b25ae71f455aa748a0300593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcd9e222710efe3c71a4e776235b5c7e62fd6d02b25ae71f455aa748a0300593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcd9e222710efe3c71a4e776235b5c7e62fd6d02b25ae71f455aa748a0300593", kill_on_drop: false }`
[INFO] [stdout] fcd9e222710efe3c71a4e776235b5c7e62fd6d02b25ae71f455aa748a0300593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 99a3aad71b27242b6e9b8ba7bf523a735605e5a25a312f5b7b43eb694eb11958
[INFO] running `Command { std: "docker" "start" "-a" "99a3aad71b27242b6e9b8ba7bf523a735605e5a25a312f5b7b43eb694eb11958", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
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[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking scopeguard v1.1.0
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[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking smallvec v1.5.0
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[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking murmur3 v0.5.1
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[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling git2 v0.13.12
[INFO] [stderr]     Checking thiserror v1.0.22
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[INFO] [stderr]     Checking bstr v0.2.14
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[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking tinytemplate v1.1.0
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[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]    Compiling built v0.4.3
[INFO] [stderr]    Compiling statsrelay v3.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `murmur3` is imported redundantly
[INFO] [stdout]  --> src/shard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use murmur3;
[INFO] [stdout]   |     ^^^^^^^ the item `murmur3` 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 `murmur3` is imported redundantly
[INFO] [stdout]  --> src/shard.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use murmur3;
[INFO] [stdout]   |     ^^^^^^^ the item `murmur3` is already defined by prelude
[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 30.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v4.0.1, criterion v0.3.3, git2 v0.13.12
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "99a3aad71b27242b6e9b8ba7bf523a735605e5a25a312f5b7b43eb694eb11958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a3aad71b27242b6e9b8ba7bf523a735605e5a25a312f5b7b43eb694eb11958", kill_on_drop: false }`
[INFO] [stdout] 99a3aad71b27242b6e9b8ba7bf523a735605e5a25a312f5b7b43eb694eb11958