[INFO] cloning repository https://github.com/psyto/hashmap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psyto/hashmap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsyto%2Fhashmap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsyto%2Fhashmap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f66541e3226d6047ddc20ef82519eeec495ae5f
[INFO] checking psyto/hashmap against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsyto%2Fhashmap" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/psyto/hashmap on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/psyto/hashmap
[INFO] finished tweaking git repo https://github.com/psyto/hashmap
[INFO] tweaked toml for git repo https://github.com/psyto/hashmap written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/psyto/hashmap 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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ab9d0509df12f8c92f2350f170fb52d64f0869d4c40fa75bf53f4faed85d3d9
[INFO] running `Command { std: "docker" "start" "-a" "7ab9d0509df12f8c92f2350f170fb52d64f0869d4c40fa75bf53f4faed85d3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ab9d0509df12f8c92f2350f170fb52d64f0869d4c40fa75bf53f4faed85d3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ab9d0509df12f8c92f2350f170fb52d64f0869d4c40fa75bf53f4faed85d3d9", kill_on_drop: false }`
[INFO] [stdout] 7ab9d0509df12f8c92f2350f170fb52d64f0869d4c40fa75bf53f4faed85d3d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcf843aa1f2e432f33a66f521cb62d421fdfc43d931c2da7b21cd09c6823ce28
[INFO] running `Command { std: "docker" "start" "-a" "bcf843aa1f2e432f33a66f521cb62d421fdfc43d931c2da7b21cd09c6823ce28", kill_on_drop: false }`
[INFO] [stderr]     Checking hashmap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: `&mut Bucket<K, V>` is not an iterator
[INFO] [stdout]   --> src/lib.rs:32:40
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for &mut (ref ekey, evalue) in bucket {
[INFO] [stdout]    |                                        ^^^^^^ `&mut Bucket<K, V>` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `&mut Bucket<K, V>`, which is required by `&mut Bucket<K, V>: IntoIterator`
[INFO] [stdout]    = note: required for `&mut Bucket<K, V>` to implement `Iterator`
[INFO] [stdout]    = note: required for `&mut Bucket<K, V>` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `&_` with `K`
[INFO] [stdout]   --> src/lib.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |             if ekey == key {
[INFO] [stdout]    |                     ^^ no implementation for `&_ == K`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq<K>` is not implemented for `&_`
[INFO] [stdout] help: consider dereferencing here
[INFO] [stdout]    |
[INFO] [stdout] 33 |             if *ekey == key {
[INFO] [stdout]    |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: `&mut Bucket<K, V>` is not an iterator
[INFO] [stdout]   --> src/lib.rs:32:40
[INFO] [stdout]    |
[INFO] [stdout] 32 |         for &mut (ref ekey, evalue) in bucket {
[INFO] [stdout]    |                                        ^^^^^^ `&mut Bucket<K, V>` is not an iterator
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Iterator` is not implemented for `&mut Bucket<K, V>`, which is required by `&mut Bucket<K, V>: IntoIterator`
[INFO] [stdout]    = note: required for `&mut Bucket<K, V>` to implement `Iterator`
[INFO] [stdout]    = note: required for `&mut Bucket<K, V>` to implement `IntoIterator`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: can't compare `&_` with `K`
[INFO] [stdout]   --> src/lib.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |             if ekey == key {
[INFO] [stdout]    |                     ^^ no implementation for `&_ == K`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `PartialEq<K>` is not implemented for `&_`
[INFO] [stdout] help: consider dereferencing here
[INFO] [stdout]    |
[INFO] [stdout] 33 |             if *ekey == key {
[INFO] [stdout]    |                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push` found for mutable reference `&mut Bucket<K, V>` in the current scope
[INFO] [stdout]   --> src/lib.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         bucket.push((key, value));
[INFO] [stdout]    |                ^^^^ method not found in `&mut Bucket<K, V>`
[INFO] [stdout]    |
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]    |
[INFO] [stdout] 39 |         bucket.items.push((key, value));
[INFO] [stdout]    |                ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push` found for mutable reference `&mut Bucket<K, V>` in the current scope
[INFO] [stdout]   --> src/lib.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |         bucket.push((key, value));
[INFO] [stdout]    |                ^^^^ method not found in `&mut Bucket<K, V>`
[INFO] [stdout]    |
[INFO] [stdout] help: one of the expressions' fields has a method of the same name
[INFO] [stdout]    |
[INFO] [stdout] 39 |         bucket.items.push((key, value));
[INFO] [stdout]    |                ++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashmap` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hashmap` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "bcf843aa1f2e432f33a66f521cb62d421fdfc43d931c2da7b21cd09c6823ce28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf843aa1f2e432f33a66f521cb62d421fdfc43d931c2da7b21cd09c6823ce28", kill_on_drop: false }`
[INFO] [stdout] bcf843aa1f2e432f33a66f521cb62d421fdfc43d931c2da7b21cd09c6823ce28