[INFO] cloning repository https://github.com/lukecollier/sink [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukecollier/sink" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukecollier%2Fsink", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukecollier%2Fsink'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 50229fdffb201ef0d089ba4eb91aeee983a1e27b [INFO] checking lukecollier/sink against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukecollier%2Fsink" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/lukecollier/sink [INFO] finished tweaking git repo https://github.com/lukecollier/sink [INFO] tweaked toml for git repo https://github.com/lukecollier/sink written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/lukecollier/sink on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/lukecollier/sink 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ws v0.7.9 [INFO] [stderr] Downloaded bytes v0.4.11 [INFO] [stderr] Downloaded mio-extras v2.0.5 [INFO] [stderr] Downloaded smallvec v0.6.8 [INFO] [stderr] Downloaded httparse v1.3.3 [INFO] [stderr] Downloaded fsevent v0.2.17 [INFO] [stderr] Downloaded winapi-util v0.1.1 [INFO] [stderr] Downloaded filetime v0.2.4 [INFO] [stderr] Downloaded twox-hash v1.1.2 [INFO] [stderr] Downloaded autocfg v0.1.2 [INFO] [stderr] Downloaded fsevent-sys v0.1.6 [INFO] [stderr] Downloaded redox_syscall v0.1.50 [INFO] [stderr] Downloaded colored v1.7.0 [INFO] [stderr] Downloaded crossbeam-utils v0.6.3 [INFO] [stderr] Downloaded tokio-reactor v0.1.8 [INFO] [stderr] Downloaded walkdir v2.2.7 [INFO] [stderr] Downloaded tokio-io v0.1.11 [INFO] [stderr] Downloaded notify v4.0.7 [INFO] [stderr] Downloaded serde v1.0.87 [INFO] [stderr] Downloaded rand v0.4.5 [INFO] [stderr] Downloaded seahash v3.0.5 [INFO] [stderr] Downloaded mio v0.6.16 [INFO] [stderr] Downloaded unicode-normalization v0.1.8 [INFO] [stderr] Downloaded rand v0.6.4 [INFO] [stderr] Downloaded yansi v0.5.0 [INFO] [stderr] Downloaded bincode v1.0.1 [INFO] [stderr] Downloaded num_cpus v1.9.0 [INFO] [stderr] Downloaded tokio-executor v0.1.6 [INFO] [stderr] Downloaded inotify v0.6.1 [INFO] [stderr] Downloaded rand_os v0.1.1 [INFO] [stderr] Downloaded libc v0.2.47 [INFO] [stderr] Downloaded rand_pcg v0.1.1 [INFO] [stderr] Downloaded same-file v1.0.4 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 827abd3f8b597b6e596a254d211c485efc2e706947e85a3b03683000e13c1e57 [INFO] running `Command { std: "docker" "start" "-a" "827abd3f8b597b6e596a254d211c485efc2e706947e85a3b03683000e13c1e57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "827abd3f8b597b6e596a254d211c485efc2e706947e85a3b03683000e13c1e57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "827abd3f8b597b6e596a254d211c485efc2e706947e85a3b03683000e13c1e57", kill_on_drop: false }` [INFO] [stdout] 827abd3f8b597b6e596a254d211c485efc2e706947e85a3b03683000e13c1e57 [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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 838effb724cd5c5b93295b9a951e7e3a6471ca952e409ffc9c78a0e81469517d [INFO] running `Command { std: "docker" "start" "-a" "838effb724cd5c5b93295b9a951e7e3a6471ca952e409ffc9c78a0e81469517d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking rand_core v0.3.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking smallvec v0.6.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking futures v0.1.25 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.4 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking crossbeam-utils v0.6.3 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking same-file v1.0.4 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Checking walkdir v2.2.7 [INFO] [stderr] Checking unicode-normalization v0.1.8 [INFO] [stderr] Compiling serde v1.0.87 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking bytes v0.4.11 [INFO] [stderr] Compiling rand_pcg v0.1.1 [INFO] [stderr] Checking rand_os v0.1.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking num_cpus v1.9.0 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking mio v0.6.16 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Checking filetime v0.2.4 [INFO] [stderr] Compiling httparse v1.3.3 [INFO] [stderr] Checking percent-encoding v1.0.1 [INFO] [stderr] Checking rand v0.4.5 [INFO] [stderr] Checking sha1 v0.6.0 [INFO] [stderr] Checking mio-extras v2.0.5 [INFO] [stderr] Checking seahash v3.0.5 [INFO] [stderr] Checking colored v1.7.0 [INFO] [stderr] Checking yansi v0.5.0 [INFO] [stderr] Checking tokio-executor v0.1.6 [INFO] [stderr] Checking tokio-io v0.1.11 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking twox-hash v1.1.2 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Checking tokio-reactor v0.1.8 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Checking ws v0.7.9 [INFO] [stderr] Checking notify v4.0.7 [INFO] [stderr] Checking client v0.1.0 (/opt/rustwide/workdir/client) [INFO] [stderr] Checking server v0.1.0 (/opt/rustwide/workdir/server) [INFO] [stdout] warning: unused import: `core` [INFO] [stdout] --> client/src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use core; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user` [INFO] [stdout] --> client/src/lib.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn init(user: &str) -> Result<&'static str, &'static str> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_user` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core` [INFO] [stdout] --> client/src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use core; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `user` [INFO] [stdout] --> client/src/lib.rs:13:13 [INFO] [stdout] | [INFO] [stdout] 13 | pub fn init(user: &str) -> Result<&'static str, &'static str> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_user` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Checking core v0.1.0 (/opt/rustwide/workdir/core) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:21:25 [INFO] [stdout] | [INFO] [stdout] 21 | fn new(hasher: &mut Hasher) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | fn new(hasher: &mut dyn Hasher) -> Self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | fn new(hasher: &mut Hasher) -> Node; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 5 | fn new(hasher: &mut dyn Hasher) -> Node; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:39:43 [INFO] [stdout] | [INFO] [stdout] 39 | fn update(&mut self, mut hasher: &mut Hasher) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | fn update(&mut self, mut hasher: &mut dyn Hasher) -> Self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:8:39 [INFO] [stdout] | [INFO] [stdout] 8 | fn update(&mut self, hasher: &mut Hasher) -> Self; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | fn update(&mut self, hasher: &mut dyn Hasher) -> Self; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:46:41 [INFO] [stdout] | [INFO] [stdout] 46 | fn hash_key(&mut self, hasher: &mut Hasher) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 46 | fn hash_key(&mut self, hasher: &mut dyn Hasher) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:9:41 [INFO] [stdout] | [INFO] [stdout] 9 | fn hash_key(&mut self, hasher: &mut Hasher); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | fn hash_key(&mut self, hasher: &mut dyn Hasher); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:50:42 [INFO] [stdout] | [INFO] [stdout] 50 | fn hash_node(&mut self, hasher: &mut Hasher) -> u64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 50 | fn hash_node(&mut self, hasher: &mut dyn Hasher) -> u64 { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:10:42 [INFO] [stdout] | [INFO] [stdout] 10 | fn hash_node(&mut self, hasher: &mut Hasher) -> u64; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 10 | fn hash_node(&mut self, hasher: &mut dyn Hasher) -> u64; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:105:43 [INFO] [stdout] | [INFO] [stdout] 105 | fn calc_hash(bytes: Vec, hasher: &mut Hasher) -> u64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 105 | fn calc_hash(bytes: Vec, hasher: &mut dyn Hasher) -> u64 { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/lib.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | fn visit_dirs(dir: &Path, cb: &Fn(PathBuf) -> Result) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | fn visit_dirs(dir: &Path, cb: &dyn Fn(PathBuf) -> Result) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> core/src/hash_tree.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | let node: Node = iterator.collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: use of moved value: `iterator` [INFO] [stdout] --> core/src/hash_tree.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 40 | let iterator = self.clone().into_iter(); [INFO] [stdout] | -------- move occurs because `iterator` has type `HashTreeIterator`, which does not implement the `Copy` trait [INFO] [stdout] 41 | iterator.for_each(|mut node| node.hash_key(&mut hasher)); [INFO] [stdout] | ----------------------------------------------- `iterator` moved due to this method call [INFO] [stdout] 42 | let node: Node = iterator.collect(); [INFO] [stdout] | ^^^^^^^^ value used here after move [INFO] [stdout] | [INFO] [stdout] note: `for_each` takes ownership of the receiver `self`, which moves `iterator` [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/iter/traits/iterator.rs:817:20 [INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior [INFO] [stdout] | [INFO] [stdout] 41 | iterator.clone().for_each(|mut node| node.hash_key(&mut hasher)); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0382`. [INFO] [stdout] [INFO] [stderr] error: could not compile `core` (lib) due to 1 previous error; 11 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:21:25 [INFO] [stdout] | [INFO] [stdout] 21 | fn new(hasher: &mut Hasher) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 21 | fn new(hasher: &mut dyn Hasher) -> Self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:5:25 [INFO] [stdout] | [INFO] [stdout] 5 | fn new(hasher: &mut Hasher) -> Node; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 5 | fn new(hasher: &mut dyn Hasher) -> Node; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:39:43 [INFO] [stdout] | [INFO] [stdout] 39 | fn update(&mut self, mut hasher: &mut Hasher) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 39 | fn update(&mut self, mut hasher: &mut dyn Hasher) -> Self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:8:39 [INFO] [stdout] | [INFO] [stdout] 8 | fn update(&mut self, hasher: &mut Hasher) -> Self; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 8 | fn update(&mut self, hasher: &mut dyn Hasher) -> Self; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:46:41 [INFO] [stdout] | [INFO] [stdout] 46 | fn hash_key(&mut self, hasher: &mut Hasher) { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 46 | fn hash_key(&mut self, hasher: &mut dyn Hasher) { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:9:41 [INFO] [stdout] | [INFO] [stdout] 9 | fn hash_key(&mut self, hasher: &mut Hasher); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 9 | fn hash_key(&mut self, hasher: &mut dyn Hasher); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:50:42 [INFO] [stdout] | [INFO] [stdout] 50 | fn hash_node(&mut self, hasher: &mut Hasher) -> u64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 50 | fn hash_node(&mut self, hasher: &mut dyn Hasher) -> u64 { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:10:42 [INFO] [stdout] | [INFO] [stdout] 10 | fn hash_node(&mut self, hasher: &mut Hasher) -> u64; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 10 | fn hash_node(&mut self, hasher: &mut dyn Hasher) -> u64; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/hash_tree.rs:105:43 [INFO] [stdout] | [INFO] [stdout] 105 | fn calc_hash(bytes: Vec, hasher: &mut Hasher) -> u64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 105 | fn calc_hash(bytes: Vec, hasher: &mut dyn Hasher) -> u64 { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> core/src/lib.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | fn visit_dirs(dir: &Path, cb: &Fn(PathBuf) -> Result) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 22 | fn visit_dirs(dir: &Path, cb: &dyn Fn(PathBuf) -> Result) -> Result<()> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> core/src/hash_tree.rs:42:13 [INFO] [stdout] | [INFO] [stdout] 42 | let node: Node = iterator.collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0382]: use of moved value: `iterator` [INFO] [stdout] --> core/src/hash_tree.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 40 | let iterator = self.clone().into_iter(); [INFO] [stdout] | -------- move occurs because `iterator` has type `HashTreeIterator`, which does not implement the `Copy` trait [INFO] [stdout] 41 | iterator.for_each(|mut node| node.hash_key(&mut hasher)); [INFO] [stdout] | ----------------------------------------------- `iterator` moved due to this method call [INFO] [stdout] 42 | let node: Node = iterator.collect(); [INFO] [stdout] | ^^^^^^^^ value used here after move [INFO] [stdout] | [INFO] [stdout] note: `for_each` takes ownership of the receiver `self`, which moves `iterator` [INFO] [stdout] --> /rustc/350d0ef0ec0493e6d21cfb265cb8211a0e74d766/library/core/src/iter/traits/iterator.rs:817:20 [INFO] [stdout] help: you can `clone` the value and consume it, but this might not be your desired behavior [INFO] [stdout] | [INFO] [stdout] 41 | iterator.clone().for_each(|mut node| node.hash_key(&mut hasher)); [INFO] [stdout] | ++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> core/src/hash_tree.rs:117:13 [INFO] [stdout] | [INFO] [stdout] 117 | let mut expected = Node { key: 1, nodes: vec![], value: vec![]}; [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> core/src/hash_tree.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | let mut actual = Node::new(&mut hasher); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `hasher` [INFO] [stdout] --> core/src/hash_tree.rs:124:17 [INFO] [stdout] | [INFO] [stdout] 124 | let mut hasher = FakeHash::new(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_hasher` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> core/src/hash_tree.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut hasher = FakeHash::new(); [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] --> core/src/hash_tree.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | let mut node_two = Node { key: 2, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:129:13 [INFO] [stdout] | [INFO] [stdout] 129 | let mut node_five = Node { key: 5, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:144:13 [INFO] [stdout] | [INFO] [stdout] 144 | let mut node_two = Node { key: 2, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | let mut node_four = Node { key: 4, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | let mut node_two = Node { key: 2, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:161:13 [INFO] [stdout] | [INFO] [stdout] 161 | let mut node_four = Node { key: 4, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:187:13 [INFO] [stdout] | [INFO] [stdout] 187 | let mut expected_node_two = Node { key: 3, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:189:13 [INFO] [stdout] | [INFO] [stdout] 189 | let mut expected_node_four = Node { key: 1, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:201:13 [INFO] [stdout] | [INFO] [stdout] 201 | let mut node_two = Node { key: 0, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | let mut node_four = Node { key: 0, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:210:13 [INFO] [stdout] | [INFO] [stdout] 210 | let mut expected_node_two = Node { key: 3, nodes: vec![], value: vec![]}; [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] --> core/src/hash_tree.rs:212:13 [INFO] [stdout] | [INFO] [stdout] 212 | let mut expected_node_four = Node { key: 1, nodes: vec![], value: vec![]}; [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 E0382`. [INFO] [stdout] [INFO] [stderr] error: could not compile `core` (lib test) due to 1 previous error; 27 warnings emitted [INFO] running `Command { std: "docker" "inspect" "838effb724cd5c5b93295b9a951e7e3a6471ca952e409ffc9c78a0e81469517d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "838effb724cd5c5b93295b9a951e7e3a6471ca952e409ffc9c78a0e81469517d", kill_on_drop: false }` [INFO] [stdout] 838effb724cd5c5b93295b9a951e7e3a6471ca952e409ffc9c78a0e81469517d