[INFO] fetching crate fqdn-trie 0.4.2...
[INFO] checking fqdn-trie-0.4.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate fqdn-trie 0.4.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fqdn-trie 0.4.2 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fqdn-trie 0.4.2
[INFO] finished tweaking crates.io crate fqdn-trie 0.4.2
[INFO] tweaked toml for crates.io crate fqdn-trie 0.4.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate fqdn-trie 0.4.2 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fqdn v0.3.0
[INFO] [stderr]   Downloaded cpu-time v1.0.0
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1a6c08e8f07d9739675fd72a00a5294d95a5bb8c15be36ae4389975ff9c20b6
[INFO] running `Command { std: "docker" "start" "-a" "d1a6c08e8f07d9739675fd72a00a5294d95a5bb8c15be36ae4389975ff9c20b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1a6c08e8f07d9739675fd72a00a5294d95a5bb8c15be36ae4389975ff9c20b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a6c08e8f07d9739675fd72a00a5294d95a5bb8c15be36ae4389975ff9c20b6", kill_on_drop: false }`
[INFO] [stdout] d1a6c08e8f07d9739675fd72a00a5294d95a5bb8c15be36ae4389975ff9c20b6
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22ff5febe7d8634919255b1ca7c329df6b13d49ad1706a0dc64cc24170d36123
[INFO] running `Command { std: "docker" "start" "-a" "22ff5febe7d8634919255b1ca7c329df6b13d49ad1706a0dc64cc24170d36123", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking fqdn v0.3.0
[INFO] [stderr]     Checking fqdn-trie v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ALPHABET_SIZE` is imported redundantly
[INFO] [stdout]  --> src/trie/branching.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ALPHABET_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::Fqdn;
[INFO] [stdout] 3 | use crate::trie::*;
[INFO] [stdout]   |     -------------- the item `ALPHABET_SIZE` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Fqdn` is imported redundantly
[INFO] [stdout]  --> src/trie/branching.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Fqdn;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::trie::*;
[INFO] [stdout]   |     -------------- the item `Fqdn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/map.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stdout] warning: the item `ALPHABET_SIZE` is imported redundantly
[INFO] [stdout]  --> src/trie/branching.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ALPHABET_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::Fqdn;
[INFO] [stdout] 3 | use crate::trie::*;
[INFO] [stdout]   |     -------------- the item `ALPHABET_SIZE` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Fqdn` is imported redundantly
[INFO] [stdout]  --> src/trie/branching.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Fqdn;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::trie::*;
[INFO] [stdout]   |     -------------- the item `Fqdn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/map.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tests`
[INFO] [stdout]   --> examples/alexa.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let tests = BufReader::new(
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tests`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alexa`
[INFO] [stdout]   --> examples/alexa.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let alexa = alexa.iter().cloned().collect::<FqdnTrieSet<_>>();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_alexa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trie_lookup` is never used
[INFO] [stdout]   --> examples/alexa.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn trie_lookup(trie: FqdnTrieSet<FQDN>, tests: &Vec<FQDN>) -> usize
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_lookup` is never used
[INFO] [stdout]   --> examples/alexa.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn hash_lookup(set: HashSet<FQDN>, tests: &Vec<FQDN>) -> usize
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `open_dot_view` found for struct `fqdn_trie::FqdnTrieSet` in the current scope
[INFO] [stdout]   --> examples/simple.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     trie.open_dot_view().expect("can’t open dot view");
[INFO] [stdout]    |          ^^^^^^^^^^^^^ method not found in `FqdnTrieSet<FQDN>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fqdn-trie` (example "simple") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `open_dot_view` found for struct `fqdn_trie::FqdnTrieSet` in the current scope
[INFO] [stdout]   --> examples/orange.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     trie.open_dot_view().expect("can’t open dot view");
[INFO] [stdout]    |          ^^^^^^^^^^^^^ method not found in `FqdnTrieSet<FQDN>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `open_dot_view` found for struct `FqdnTrieSet` in the current scope
[INFO] [stdout]   --> examples/trieperf.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let _ = trie.open_dot_view();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ method not found in `FqdnTrieSet<FQDN>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fqdn-trie` (example "trieperf") due to 2 previous errors
[INFO] [stdout] error[E0599]: no method named `open_dot_view` found for struct `fqdn_trie::FqdnTrieSet` in the current scope
[INFO] [stdout]   --> examples/orange.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     trie.open_dot_view().expect("can’t open dot view");
[INFO] [stdout]    |          ^^^^^^^^^^^^^ method not found in `FqdnTrieSet<FQDN>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fqdn-trie` (example "orange") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "22ff5febe7d8634919255b1ca7c329df6b13d49ad1706a0dc64cc24170d36123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ff5febe7d8634919255b1ca7c329df6b13d49ad1706a0dc64cc24170d36123", kill_on_drop: false }`
[INFO] [stdout] 22ff5febe7d8634919255b1ca7c329df6b13d49ad1706a0dc64cc24170d36123
[INFO] checking fqdn-trie-0.4.2 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate fqdn-trie 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate fqdn-trie 0.4.2 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fqdn-trie 0.4.2
[INFO] finished tweaking crates.io crate fqdn-trie 0.4.2
[INFO] tweaked toml for crates.io crate fqdn-trie 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate fqdn-trie 0.4.2 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0df6c01bf30fa063615bb111e26aae2963c512530fe401c607f970ed9e40b854
[INFO] running `Command { std: "docker" "start" "-a" "0df6c01bf30fa063615bb111e26aae2963c512530fe401c607f970ed9e40b854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0df6c01bf30fa063615bb111e26aae2963c512530fe401c607f970ed9e40b854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0df6c01bf30fa063615bb111e26aae2963c512530fe401c607f970ed9e40b854", kill_on_drop: false }`
[INFO] [stdout] 0df6c01bf30fa063615bb111e26aae2963c512530fe401c607f970ed9e40b854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76062637abd7278bf8cc427cd36e8789bd7453f98792a65a733c6606be7e00a7
[INFO] running `Command { std: "docker" "start" "-a" "76062637abd7278bf8cc427cd36e8789bd7453f98792a65a733c6606be7e00a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking fqdn v0.3.0
[INFO] [stderr]     Checking fqdn-trie v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ALPHABET_SIZE` is imported redundantly
[INFO] [stdout]  --> src/trie/branching.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ALPHABET_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::Fqdn;
[INFO] [stdout] 3 | use crate::trie::*;
[INFO] [stdout]   |     -------------- the item `ALPHABET_SIZE` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Fqdn` is imported redundantly
[INFO] [stdout]  --> src/trie/branching.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Fqdn;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::trie::*;
[INFO] [stdout]   |     -------------- the item `Fqdn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/map.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stdout] warning: unused variable: `tests`
[INFO] [stdout]   --> examples/alexa.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let tests = BufReader::new(
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_tests`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `alexa`
[INFO] [stdout]   --> examples/alexa.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let alexa = alexa.iter().cloned().collect::<FqdnTrieSet<_>>();
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_alexa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `trie_lookup` is never used
[INFO] [stdout]   --> examples/alexa.rs:53:4
[INFO] [stdout]    |
[INFO] [stdout] 53 | fn trie_lookup(trie: FqdnTrieSet<FQDN>, tests: &Vec<FQDN>) -> usize
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_lookup` is never used
[INFO] [stdout]   --> examples/alexa.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn hash_lookup(set: HashSet<FQDN>, tests: &Vec<FQDN>) -> usize
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `open_dot_view` found for struct `fqdn_trie::FqdnTrieSet` in the current scope
[INFO] [stdout]   --> examples/orange.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     trie.open_dot_view().expect("can’t open dot view");
[INFO] [stdout]    |          ^^^^^^^^^^^^^ method not found in `FqdnTrieSet<FQDN>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ALPHABET_SIZE` is imported redundantly
[INFO] [stdout]  --> src/trie/branching.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ALPHABET_SIZE;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 | use crate::Fqdn;
[INFO] [stdout] 3 | use crate::trie::*;
[INFO] [stdout]   |     -------------- the item `ALPHABET_SIZE` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Fqdn` is imported redundantly
[INFO] [stdout]  --> src/trie/branching.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::Fqdn;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 3 | use crate::trie::*;
[INFO] [stdout]   |     -------------- the item `Fqdn` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/set.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FromIterator` is imported redundantly
[INFO] [stdout]  --> src/map.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:129:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `FromIterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `open_dot_view` found for struct `fqdn_trie::FqdnTrieSet` in the current scope
[INFO] [stdout]   --> examples/simple.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |     trie.open_dot_view().expect("can’t open dot view");
[INFO] [stdout]    |          ^^^^^^^^^^^^^ method not found in `FqdnTrieSet<FQDN>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `open_dot_view` found for struct `fqdn_trie::FqdnTrieSet` in the current scope
[INFO] [stdout]   --> examples/orange.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 |     trie.open_dot_view().expect("can’t open dot view");
[INFO] [stdout]    |          ^^^^^^^^^^^^^ method not found in `FqdnTrieSet<FQDN>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fqdn-trie` (example "simple") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fqdn-trie` (example "orange") due to 3 previous errors
[INFO] [stdout] error[E0599]: no method named `open_dot_view` found for struct `FqdnTrieSet` in the current scope
[INFO] [stdout]   --> examples/trieperf.rs:49:18
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let _ = trie.open_dot_view();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ method not found in `FqdnTrieSet<FQDN>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fqdn-trie` (example "trieperf") due to 2 previous errors
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "76062637abd7278bf8cc427cd36e8789bd7453f98792a65a733c6606be7e00a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76062637abd7278bf8cc427cd36e8789bd7453f98792a65a733c6606be7e00a7", kill_on_drop: false }`
[INFO] [stdout] 76062637abd7278bf8cc427cd36e8789bd7453f98792a65a733c6606be7e00a7
