[INFO] fetching crate libpijul-compat 0.10.2...
[INFO] testing libpijul-compat-0.10.2 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate libpijul-compat 0.10.2 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate libpijul-compat 0.10.2
[INFO] finished tweaking crates.io crate libpijul-compat 0.10.2
[INFO] tweaked toml for crates.io crate libpijul-compat 0.10.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate libpijul-compat 0.10.2 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 163 packages to highest compatible versions
[INFO] [stderr]       Adding base64 v0.9.3 (available: v0.23.1)
[INFO] [stderr]       Adding bincode v1.3.3 (available: v3.0.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (available: v2.13.2)
[INFO] [stderr]       Adding bs58 v0.2.5 (available: v0.5.1)
[INFO] [stderr]       Adding error-chain v0.11.0 (available: v0.12.4)
[INFO] [stderr]       Adding hex v0.3.2 (available: v0.4.3)
[INFO] [stderr]       Adding rand v0.5.6 (available: v0.10.3)
[INFO] [stderr]       Adding sanakirja v0.8.22 (available: v1.4.3)
[INFO] [stderr]       Adding thrussh-keys v0.9.5 (available: v0.45.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `libpijul-compat` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-rational v0.1.43
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[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217
[INFO] running `Command { std: "docker" "start" "c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `libpijul-compat` (manifest) generated 1 warning
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[INFO] [stderr]    Compiling fs2 v0.4.3
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[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling chrono v0.4.45
[INFO] [stderr]    Compiling sanakirja v0.8.22
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling flate2 v1.1.10
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling bs58 v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling globset v0.4.20
[INFO] [stderr]    Compiling ignore v0.4.33
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling thrussh-keys v0.9.5
[INFO] [stderr]    Compiling libpijul-compat v0.10.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/record.rs:573:58
[INFO] [stdout]     |
[INFO] [stdout] 573 |     fn inode_status(&self, inode: Inode, path: &Path) -> (Option<(WorkingFileStatus, FileHeader)>) {
[INFO] [stdout]     |                                                          ^                                       ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 573 -     fn inode_status(&self, inode: Inode, path: &Path) -> (Option<(WorkingFileStatus, FileHeader)>) {
[INFO] [stdout] 573 +     fn inode_status(&self, inode: Inode, path: &Path) -> Option<(WorkingFileStatus, FileHeader)> {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:380:20
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let file = try!(File::open(&patches_dir));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:476:16
[INFO] [stdout]     |
[INFO] [stdout] 476 |     let repo = try!(Repository::open(pristine_dir, Some(size_increase as u64)));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:477:19
[INFO] [stdout]     |
[INFO] [stdout] 477 |     let mut txn = try!(repo.mut_txn_begin(rand::thread_rng()));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:520:5
[INFO] [stdout]     |
[INFO] [stdout] 520 |     try!(txn.commit_branch(branch));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:521:5
[INFO] [stdout]     |
[INFO] [stdout] 521 |     try!(txn.commit());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:502:16
[INFO] [stdout]     |
[INFO] [stdout] 502 |     let repo = try!(Repository::open(repo_dir, Some(increase)));
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:504:19
[INFO] [stdout]     |
[INFO] [stdout] 504 |     let mut txn = try!(repo.mut_txn_begin(rand::thread_rng()));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `bs58::decode::DecodeError`: Use `bs58::decode::Error` instead
[INFO] [stdout]   --> src/lib.rs:70:36
[INFO] [stdout]    |
[INFO] [stdout] 70 |         Base58Decode(bs58::decode::DecodeError);
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | / error_chain! {
[INFO] [stdout] 61 | |     foreign_links {
[INFO] [stdout] 62 | |         IO(std::io::Error);
[INFO] [stdout] 63 | |         Sanakirja(sanakirja::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 98 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/backend/inode.rs:65:38
[INFO] [stdout]    |
[INFO] [stdout] 65 |         let mut i: Inode = std::mem::uninitialized();
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/backend/key.rs:166:31
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let mut k = std::mem::uninitialized();
[INFO] [stdout]     |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/backend/patch_id.rs:75:47
[INFO] [stdout]    |
[INFO] [stdout] 75 |         let mut patch_id: PatchId = std::mem::uninitialized();
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/patch.rs:514:36
[INFO] [stdout]     |
[INFO] [stdout] 514 | pub fn read_signature_file(r: &mut Read) -> Result<SignatureFile> {
[INFO] [stdout]     |                                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 514 | pub fn read_signature_file(r: &mut dyn Read) -> Result<SignatureFile> {
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/patch.rs:549:29
[INFO] [stdout]     |
[INFO] [stdout] 549 | pub fn read_changes(r: &mut Read) -> Result<HashMap<Hash, ApplyTimestamp>> {
[INFO] [stdout]     |                             ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 549 | pub fn read_changes(r: &mut dyn Read) -> Result<HashMap<Hash, ApplyTimestamp>> {
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/patch.rs:528:48
[INFO] [stdout]     |
[INFO] [stdout] 528 |     pub fn write_signature_file(&self, w: &mut Write) -> Result<()> {
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 528 |     pub fn write_signature_file(&self, w: &mut dyn Write) -> Result<()> {
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/lib.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | / error_chain! {
[INFO] [stdout] 61 | |     foreign_links {
[INFO] [stdout] 62 | |         IO(std::io::Error);
[INFO] [stdout] 63 | |         Sanakirja(sanakirja::Error);
[INFO] [stdout] ...  |
[INFO] [stdout] 98 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_error_chain_processed` which comes from the expansion of the macro `error_chain` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `bitflags::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/backend/key.rs:75:23
[INFO] [stdout]    |
[INFO] [stdout] 75 |         w.write_str(h.trim_right_matches('0'))
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 75 -         w.write_str(h.trim_right_matches('0'))
[INFO] [stdout] 75 +         w.write_str(h.trim_end_matches('0'))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `bitflags::core::str::<impl str>::trim_right_matches`: superseded by `trim_end_matches`
[INFO] [stdout]   --> src/backend/key.rs:80:23
[INFO] [stdout]    |
[INFO] [stdout] 80 |         w.write_str(h.trim_right_matches('0'))
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 80 -         w.write_str(h.trim_right_matches('0'))
[INFO] [stdout] 80 +         w.write_str(h.trim_end_matches('0'))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_ascii_chars`: use sample_iter(&Alphanumeric) instead
[INFO] [stdout]    --> src/fs_representation.rs:112:18
[INFO] [stdout]     |
[INFO] [stdout] 112 |     x.extend(rng.gen_ascii_chars().take(ID_LENGTH));
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_ascii_chars`: use sample_iter(&Alphanumeric) instead
[INFO] [stdout]    --> src/lib.rs:154:34
[INFO] [stdout]     |
[INFO] [stdout] 154 |             branch_id.extend(rng.gen_ascii_chars().take(ID_LENGTH));
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of a shared reference
[INFO] [stdout]   --> src/backend/file_id.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | #[derive(Debug, Hash, Eq, PartialEq, Clone)]
[INFO] [stdout]    |          ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub basename: SmallString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ move occurs because value has type `small_string::SmallString`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[derive(Debug)]` triggers a move because taking references to the fields of a packed struct is undefined behaviour
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of a shared reference
[INFO] [stdout]   --> src/backend/file_id.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | #[derive(Debug, Hash, Eq, PartialEq, Clone)]
[INFO] [stdout]    |                 ---- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub basename: SmallString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ move occurs because value has type `small_string::SmallString`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[derive(Hash)]` triggers a move because taking references to the fields of a packed struct is undefined behaviour
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of a shared reference
[INFO] [stdout]   --> src/backend/file_id.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | #[derive(Debug, Hash, Eq, PartialEq, Clone)]
[INFO] [stdout]    |                           --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub basename: SmallString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ move occurs because value has type `small_string::SmallString`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[derive(PartialEq)]` triggers a move because taking references to the fields of a packed struct is undefined behaviour
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0507]: cannot move out of a shared reference
[INFO] [stdout]   --> src/backend/file_id.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | #[derive(Debug, Hash, Eq, PartialEq, Clone)]
[INFO] [stdout]    |                                      ----- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 10 |     pub basename: SmallString,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ move occurs because value has type `small_string::SmallString`, which does not implement the `Copy` trait
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[derive(Clone)]` triggers a move because taking references to the fields of a packed struct is undefined behaviour
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_operations.rs:416:17
[INFO] [stdout]     |
[INFO] [stdout] 416 |             let mut is_first = 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: variable does not need to be mutable
[INFO] [stdout]    --> src/optimal_diff/add.rs:131:21
[INFO] [stdout]     |
[INFO] [stdout] 131 |                 let mut descendant = *diff.conflicts_descendants.get(&ancestor).unwrap();
[INFO] [stdout]     |                     ----^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/apply/apply.rs:243:17
[INFO] [stdout]     |
[INFO] [stdout] 243 |             let mut is_zombie_marker = to_edge.introduced_by != patch_id
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/output.rs:282:25
[INFO] [stdout]     |
[INFO] [stdout] 282 |                     let mut name = if b_len > 1
[INFO] [stdout]     |                         ----^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/unrecord/edges.rs:298:22
[INFO] [stdout]     |
[INFO] [stdout] 298 |                 for (mut k, mut v) in files.drain(..) {
[INFO] [stdout]     |                      ----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/unrecord/mod.rs:182:18
[INFO] [stdout]     |
[INFO] [stdout] 182 |             for (mut k, mut v) in files.drain(..) {
[INFO] [stdout]     |                  ----^
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0507`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libpijul-compat` (lib) due to 4 previous errors; 27 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217", kill_on_drop: false }`
[INFO] [stdout] c164d4e1e97eb372b779bf9cac3ec20db4ba40ea933c96ff3372ccdbea390217
