[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] documenting lukecollier/sink against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukecollier%2Fsink" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lukecollier/sink on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-99/source/Cargo.toml
[INFO] crate git repo https://github.com/lukecollier/sink already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 177ab7eddaf8d18aae8e2bf256c71f9bcb0245ab6cb0f96bba8bb67e2d21235a
[INFO] running `Command { std: "docker" "start" "-a" "177ab7eddaf8d18aae8e2bf256c71f9bcb0245ab6cb0f96bba8bb67e2d21235a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "177ab7eddaf8d18aae8e2bf256c71f9bcb0245ab6cb0f96bba8bb67e2d21235a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "177ab7eddaf8d18aae8e2bf256c71f9bcb0245ab6cb0f96bba8bb67e2d21235a", kill_on_drop: false }`
[INFO] [stdout] 177ab7eddaf8d18aae8e2bf256c71f9bcb0245ab6cb0f96bba8bb67e2d21235a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b85bd3a7130f967fc1660acf01ea72811b8d5f47039f28d0929d8a2e21b558e
[INFO] running `Command { std: "docker" "start" "-a" "9b85bd3a7130f967fc1660acf01ea72811b8d5f47039f28d0929d8a2e21b558e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.47
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
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[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]     Checking seahash v3.0.5
[INFO] [stderr]     Checking yansi v0.5.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.4
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_xorshift v0.1.1
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[INFO] [stderr]     Checking rand v0.4.5
[INFO] [stderr]     Checking tokio-executor v0.1.6
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-io v0.1.11
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[INFO] [stderr]     Checking inotify v0.6.1
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[INFO] [stderr]  Documenting server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Checking client v0.1.0 (/opt/rustwide/workdir/client)
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[INFO] [stderr]  Documenting 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:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 |     fn new(hasher: &mut Hasher) -> Node;
[INFO] [stdout]   |                         ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                       ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]   |                                         ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]   = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                          ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[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]    |                         ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                           ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                         ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    |                                          ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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<u8>, hasher: &mut Hasher) -> u64 {
[INFO] [stdout]     |                                           ^^^^^^ help: use `dyn`: `dyn Hasher`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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<u64>) -> Result<()> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(PathBuf) -> Result<u64>`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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] [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] warning: 2 warnings emitted
[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: this function takes ownership of the receiver `self`, which moves `iterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 11 warnings emitted
[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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9b85bd3a7130f967fc1660acf01ea72811b8d5f47039f28d0929d8a2e21b558e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b85bd3a7130f967fc1660acf01ea72811b8d5f47039f28d0929d8a2e21b558e", kill_on_drop: false }`
[INFO] [stdout] 9b85bd3a7130f967fc1660acf01ea72811b8d5f47039f28d0929d8a2e21b558e
