[INFO] cloning repository https://github.com/dannygale/rustor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dannygale/rustor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannygale%2Frustor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannygale%2Frustor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da4eaaffe729143db9780be791206eb951f95425
[INFO] checking dannygale/rustor against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdannygale%2Frustor" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dannygale/rustor
[INFO] finished tweaking git repo https://github.com/dannygale/rustor
[INFO] tweaked toml for git repo https://github.com/dannygale/rustor written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dannygale/rustor on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dannygale/rustor 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3bf31acb1e089c081f6b194333a9c1c801105cd685317e6bdea982a95f538e0
[INFO] running `Command { std: "docker" "start" "-a" "d3bf31acb1e089c081f6b194333a9c1c801105cd685317e6bdea982a95f538e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3bf31acb1e089c081f6b194333a9c1c801105cd685317e6bdea982a95f538e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3bf31acb1e089c081f6b194333a9c1c801105cd685317e6bdea982a95f538e0", kill_on_drop: false }`
[INFO] [stdout] d3bf31acb1e089c081f6b194333a9c1c801105cd685317e6bdea982a95f538e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4296f6932c18729f9f8e41c62464cb834cac55b4ff07aa8ce5a112b9cc75f34
[INFO] running `Command { std: "docker" "start" "-a" "a4296f6932c18729f9f8e41c62464cb834cac55b4ff07aa8ce5a112b9cc75f34", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.34
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking rustord v0.1.0 (/opt/rustwide/workdir/rustord)
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking clap v2.27.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking proptest v0.10.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking librustor v0.1.0 (/opt/rustwide/workdir/librustor)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> librustor/src/freelist/bitmapfreelist.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> librustor/src/blockstore/blockdevice.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut file = Some(OpenOptions::new().write(true).read(true)
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invert`, `toggle`, and `set_value` are never used
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait BitOps {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn invert(&mut self);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 24 |     fn toggle(&mut self, i: usize);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 25 |     fn set_value(&mut self, i: usize, val: bool);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> librustor/src/blockstore/blockdevice.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut file = Some(OpenOptions::new().write(true).read(true)
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `capacity`, `max_lba`, and `path` are never read
[INFO] [stdout]   --> librustor/src/blockstore/blockdevice.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct BasicBlockDevice {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 23 |     //bs: u32,
[INFO] [stdout] 24 |     capacity: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     max_lba: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicBlockDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invert`, `toggle`, and `set_value` are never used
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait BitOps {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn invert(&mut self);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 24 |     fn toggle(&mut self, i: usize);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 25 |     fn set_value(&mut self, i: usize, val: bool);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> librustor/src/objstore/objstore.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             self.freelist.release(&key.manifest);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let _ = self.freelist.release(&key.manifest);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn zeros(&self) -> BitmapIterVal {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn zeros(&self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn ones(&self) -> BitmapIterVal {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn ones(&self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `capacity`, `max_lba`, and `path` are never read
[INFO] [stdout]   --> librustor/src/blockstore/blockdevice.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct BasicBlockDevice {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 23 |     //bs: u32,
[INFO] [stdout] 24 |     capacity: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     max_lba: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicBlockDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn zeros_mut(&mut self) -> BitmapIterVal {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn zeros_mut(&mut self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn ones_mut(&mut self) -> BitmapIterVal {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn ones_mut(&mut self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> librustor/src/objstore/objstore.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             self.freelist.release(&key.manifest);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let _ = self.freelist.release(&key.manifest);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn zeros(&self) -> BitmapIterVal {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn zeros(&self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn ones(&self) -> BitmapIterVal {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn ones(&self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn zeros_mut(&mut self) -> BitmapIterVal {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn zeros_mut(&mut self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn ones_mut(&mut self) -> BitmapIterVal {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn ones_mut(&mut self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rustorcli v0.1.0 (/opt/rustwide/workdir/rustorcli)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> librustor/src/freelist/bitmapfreelist.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> librustor/src/blockstore/blockdevice.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut file = Some(OpenOptions::new().write(true).read(true)
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invert`, `toggle`, and `set_value` are never used
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait BitOps {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn invert(&mut self);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 24 |     fn toggle(&mut self, i: usize);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 25 |     fn set_value(&mut self, i: usize, val: bool);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `capacity`, `max_lba`, and `path` are never read
[INFO] [stdout]   --> librustor/src/blockstore/blockdevice.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct BasicBlockDevice {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 23 |     //bs: u32,
[INFO] [stdout] 24 |     capacity: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     max_lba: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicBlockDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> librustor/src/objstore/objstore.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             self.freelist.release(&key.manifest);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let _ = self.freelist.release(&key.manifest);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn zeros(&self) -> BitmapIterVal {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn zeros(&self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn ones(&self) -> BitmapIterVal {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn ones(&self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn zeros_mut(&mut self) -> BitmapIterVal {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn zeros_mut(&mut self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn ones_mut(&mut self) -> BitmapIterVal {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn ones_mut(&mut self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> librustor/src/blockstore/blockdevice.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut file = Some(OpenOptions::new().write(true).read(true)
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `invert`, `toggle`, and `set_value` are never used
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub trait BitOps {
[INFO] [stdout]    |           ------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn invert(&mut self);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 24 |     fn toggle(&mut self, i: usize);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 25 |     fn set_value(&mut self, i: usize, val: bool);
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `capacity`, `max_lba`, and `path` are never read
[INFO] [stdout]   --> librustor/src/blockstore/blockdevice.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct BasicBlockDevice {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] 23 |     //bs: u32,
[INFO] [stdout] 24 |     capacity: u64,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 25 |     max_lba: u64,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 26 |     path: PathBuf,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicBlockDevice` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> librustor/src/objstore/objstore.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             self.freelist.release(&key.manifest);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 67 |             let _ = self.freelist.release(&key.manifest);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:50:18
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn zeros(&self) -> BitmapIterVal {
[INFO] [stdout]    |                  ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn zeros(&self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn ones(&self) -> BitmapIterVal {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn ones(&self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:58:22
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn zeros_mut(&mut self) -> BitmapIterVal {
[INFO] [stdout]    |                      ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn zeros_mut(&mut self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> librustor/src/freelist/bitmap.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn ones_mut(&mut self) -> BitmapIterVal {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn ones_mut(&mut self) -> BitmapIterVal<'_> {
[INFO] [stdout]    |                                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.16s
[INFO] running `Command { std: "docker" "inspect" "a4296f6932c18729f9f8e41c62464cb834cac55b4ff07aa8ce5a112b9cc75f34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4296f6932c18729f9f8e41c62464cb834cac55b4ff07aa8ce5a112b9cc75f34", kill_on_drop: false }`
[INFO] [stdout] a4296f6932c18729f9f8e41c62464cb834cac55b4ff07aa8ce5a112b9cc75f34
