[INFO] fetching crate btrfsutil 0.2.0...
[INFO] checking btrfsutil-0.2.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate btrfsutil 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate btrfsutil 0.2.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfsutil 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate btrfsutil 0.2.0
[INFO] tweaked toml for crates.io crate btrfsutil 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate btrfsutil 0.2.0 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded btrfsutil-sys v1.3.0
[INFO] [stderr]   Downloaded libmount v0.1.15
[INFO] [stderr]   Downloaded loopdev v0.4.0
[INFO] [stderr]   Downloaded serde v1.0.178
[INFO] [stderr]   Downloaded prettyplease v0.2.12
[INFO] [stderr]   Downloaded bindgen v0.66.1
[INFO] [stderr]   Downloaded serde_derive v1.0.178
[INFO] [stderr]   Downloaded regex-automata v0.3.4
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab3bc1887c031afb20f27cb379c7f979a5049b85348bf17b714c5ec327a278f5
[INFO] running `Command { std: "docker" "start" "-a" "ab3bc1887c031afb20f27cb379c7f979a5049b85348bf17b714c5ec327a278f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab3bc1887c031afb20f27cb379c7f979a5049b85348bf17b714c5ec327a278f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab3bc1887c031afb20f27cb379c7f979a5049b85348bf17b714c5ec327a278f5", kill_on_drop: false }`
[INFO] [stdout] ab3bc1887c031afb20f27cb379c7f979a5049b85348bf17b714c5ec327a278f5
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60904ac418a7f57e2e8d17ce43473cb1fb01dfa7ca8279219c2b1a7d936be10d
[INFO] running `Command { std: "docker" "start" "-a" "60904ac418a7f57e2e8d17ce43473cb1fb01dfa7ca8279219c2b1a7d936be10d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling prettyplease v0.2.12
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]     Checking tempfile v3.7.0
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking libmount v0.1.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling loopdev v0.4.0
[INFO] [stderr]    Compiling btrfsutil-sys v1.3.0
[INFO] [stderr]     Checking btrfsutil v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/error/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/error/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]    --> src/subvolume/subvol.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |     use super::*;
[INFO] [stdout]     |         -------- the item `Path` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 407 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]   --> src/testing/loopbacked.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tempfile::{self, TempDir};
[INFO] [stdout]    |                ^^^^ the item `tempfile` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 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 9.18s
[INFO] running `Command { std: "docker" "inspect" "60904ac418a7f57e2e8d17ce43473cb1fb01dfa7ca8279219c2b1a7d936be10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60904ac418a7f57e2e8d17ce43473cb1fb01dfa7ca8279219c2b1a7d936be10d", kill_on_drop: false }`
[INFO] [stdout] 60904ac418a7f57e2e8d17ce43473cb1fb01dfa7ca8279219c2b1a7d936be10d
[INFO] checking btrfsutil-0.2.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate btrfsutil 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate btrfsutil 0.2.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate btrfsutil 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate btrfsutil 0.2.0
[INFO] tweaked toml for crates.io crate btrfsutil 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate btrfsutil 0.2.0 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10f1a332cd47cedd26d6383b18a506685c737da417781304008fec5da16f8255
[INFO] running `Command { std: "docker" "start" "-a" "10f1a332cd47cedd26d6383b18a506685c737da417781304008fec5da16f8255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f1a332cd47cedd26d6383b18a506685c737da417781304008fec5da16f8255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f1a332cd47cedd26d6383b18a506685c737da417781304008fec5da16f8255", kill_on_drop: false }`
[INFO] [stdout] 10f1a332cd47cedd26d6383b18a506685c737da417781304008fec5da16f8255
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffef9b94c744872885372677b28b3142a79c56cba4f77ef80ddbe0f6baf9a38c
[INFO] running `Command { std: "docker" "start" "-a" "ffef9b94c744872885372677b28b3142a79c56cba4f77ef80ddbe0f6baf9a38c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling prettyplease v0.2.12
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]    Compiling bindgen v0.66.1
[INFO] [stderr]    Compiling serde_derive v1.0.178
[INFO] [stderr]    Compiling bitflags v2.3.3
[INFO] [stderr]    Compiling log v0.4.19
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling rustix v0.38.4
[INFO] [stderr]    Compiling clang-sys v1.6.1
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling which v4.4.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking linux-raw-sys v0.4.3
[INFO] [stderr]     Checking errno v0.2.8
[INFO] [stderr]    Compiling regex-automata v0.3.4
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking fastrand v2.0.0
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]     Checking libmount v0.1.15
[INFO] [stderr]     Checking tempfile v3.7.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling loopdev v0.4.0
[INFO] [stderr]    Compiling btrfsutil-sys v1.3.0
[INFO] [stderr]     Checking btrfsutil v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/error/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/error/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/subvolume/iterator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Path` is imported redundantly
[INFO] [stdout]    --> src/subvolume/subvol.rs:407:9
[INFO] [stdout]     |
[INFO] [stdout] 404 |     use super::*;
[INFO] [stdout]     |         -------- the item `Path` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 407 |     use std::path::Path;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]  --> src/subvolume/subvol_info.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::convert::TryFrom;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tempfile` is imported redundantly
[INFO] [stdout]   --> src/testing/loopbacked.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | use tempfile::{self, TempDir};
[INFO] [stdout]    |                ^^^^ the item `tempfile` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 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 9.63s
[INFO] running `Command { std: "docker" "inspect" "ffef9b94c744872885372677b28b3142a79c56cba4f77ef80ddbe0f6baf9a38c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffef9b94c744872885372677b28b3142a79c56cba4f77ef80ddbe0f6baf9a38c", kill_on_drop: false }`
[INFO] [stdout] ffef9b94c744872885372677b28b3142a79c56cba4f77ef80ddbe0f6baf9a38c
