[INFO] fetching crate ascii_tree 0.1.1... [INFO] testing ascii_tree-0.1.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate ascii_tree 0.1.1 into /workspace/builds/worker-7-tc1/source [INFO] started tweaking crates.io crate ascii_tree 0.1.1 [INFO] finished tweaking crates.io crate ascii_tree 0.1.1 [INFO] tweaked toml for crates.io crate ascii_tree 0.1.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate ascii_tree 0.1.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] afe7e74ba836706557ba3e9f5dafeee4d13903973953e502f5771bbe11aec01f [INFO] running `Command { std: "docker" "start" "-a" "afe7e74ba836706557ba3e9f5dafeee4d13903973953e502f5771bbe11aec01f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "afe7e74ba836706557ba3e9f5dafeee4d13903973953e502f5771bbe11aec01f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "afe7e74ba836706557ba3e9f5dafeee4d13903973953e502f5771bbe11aec01f", kill_on_drop: false }` [INFO] [stdout] afe7e74ba836706557ba3e9f5dafeee4d13903973953e502f5771bbe11aec01f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3aabf494cbef68c9b38dd10a92b9e8e60135ed0058cabf34797098e3fdafbe0 [INFO] running `Command { std: "docker" "start" "-a" "a3aabf494cbef68c9b38dd10a92b9e8e60135ed0058cabf34797098e3fdafbe0", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling ascii_tree v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:62:27 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn write_tree(f: &mut Write, tree: &Tree) -> fmt::Result { write_tree_element(f, tree, &vec![]) } [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 [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] 62 | pub fn write_tree(f: &mut dyn Write, tree: &Tree) -> fmt::Result { write_tree_element(f, tree, &vec![]) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn write_tree_element(f: &mut Write, tree: &Tree, level: &Vec) -> fmt::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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 64 | fn write_tree_element(f: &mut dyn Write, tree: &Tree, level: &Vec) -> fmt::Result { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s [INFO] running `Command { std: "docker" "inspect" "a3aabf494cbef68c9b38dd10a92b9e8e60135ed0058cabf34797098e3fdafbe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3aabf494cbef68c9b38dd10a92b9e8e60135ed0058cabf34797098e3fdafbe0", kill_on_drop: false }` [INFO] [stdout] a3aabf494cbef68c9b38dd10a92b9e8e60135ed0058cabf34797098e3fdafbe0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 90b6cd57386c87bd75bf99f32e5f8fb129701460432eb6a9103720ef6d212c99 [INFO] running `Command { std: "docker" "start" "-a" "90b6cd57386c87bd75bf99f32e5f8fb129701460432eb6a9103720ef6d212c99", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:62:27 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn write_tree(f: &mut Write, tree: &Tree) -> fmt::Result { write_tree_element(f, tree, &vec![]) } [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 [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] 62 | pub fn write_tree(f: &mut dyn Write, tree: &Tree) -> fmt::Result { write_tree_element(f, tree, &vec![]) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn write_tree_element(f: &mut Write, tree: &Tree, level: &Vec) -> fmt::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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 64 | fn write_tree_element(f: &mut dyn Write, tree: &Tree, level: &Vec) -> fmt::Result { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling ascii_tree v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:62:27 [INFO] [stdout] | [INFO] [stdout] 62 | pub fn write_tree(f: &mut Write, tree: &Tree) -> fmt::Result { write_tree_element(f, tree, &vec![]) } [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 [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] 62 | pub fn write_tree(f: &mut dyn Write, tree: &Tree) -> fmt::Result { write_tree_element(f, tree, &vec![]) } [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:64:31 [INFO] [stdout] | [INFO] [stdout] 64 | fn write_tree_element(f: &mut Write, tree: &Tree, level: &Vec) -> fmt::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 [INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 64 | fn write_tree_element(f: &mut dyn Write, tree: &Tree, level: &Vec) -> fmt::Result { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "90b6cd57386c87bd75bf99f32e5f8fb129701460432eb6a9103720ef6d212c99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90b6cd57386c87bd75bf99f32e5f8fb129701460432eb6a9103720ef6d212c99", kill_on_drop: false }` [INFO] [stdout] 90b6cd57386c87bd75bf99f32e5f8fb129701460432eb6a9103720ef6d212c99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 38fba7fc87f2a229f46df982f4734e7062681cf7a87cb573caf5b3b567ae834c [INFO] running `Command { std: "docker" "start" "-a" "38fba7fc87f2a229f46df982f4734e7062681cf7a87cb573caf5b3b567ae834c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:62:27 [INFO] [stderr] | [INFO] [stderr] 62 | pub fn write_tree(f: &mut Write, tree: &Tree) -> fmt::Result { write_tree_element(f, tree, &vec![]) } [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 62 | pub fn write_tree(f: &mut dyn Write, tree: &Tree) -> fmt::Result { write_tree_element(f, tree, &vec![]) } [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:64:31 [INFO] [stderr] | [INFO] [stderr] 64 | fn write_tree_element(f: &mut Write, tree: &Tree, level: &Vec) -> fmt::Result { [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn` [INFO] [stderr] | [INFO] [stderr] 64 | fn write_tree_element(f: &mut dyn Write, tree: &Tree, level: &Vec) -> fmt::Result { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `ascii_tree` (lib) generated 2 warnings (run `cargo fix --lib -p ascii_tree` to apply 2 suggestions) [INFO] [stderr] warning: `ascii_tree` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ascii_tree-f187a467f77796fd) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests ascii_tree [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - write_tree (line 57) ... FAILED [INFO] [stdout] test src/lib.rs - (line 3) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - write_tree (line 57) stdout ---- [INFO] [stdout] error[E0425]: cannot find value `tree` in this scope [INFO] [stdout] --> src/lib.rs:59:26 [INFO] [stdout] | [INFO] [stdout] 59 | write_tree(&mut output, &tree); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `write_tree` in this scope [INFO] [stdout] --> src/lib.rs:59:1 [INFO] [stdout] | [INFO] [stdout] 59 | write_tree(&mut output, &tree); [INFO] [stdout] | ^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 3) stdout ---- [INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Leaf` in this scope [INFO] [stdout] --> src/lib.rs:4:10 [INFO] [stdout] | [INFO] [stdout] 4 | let l1 = Leaf(vec![String::from("line1"), String::from("line2"), String::from("line3"), String::from("line4")]); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Leaf` in this scope [INFO] [stdout] --> src/lib.rs:5:10 [INFO] [stdout] | [INFO] [stdout] 5 | let l2 = Leaf(vec![String::from("only one line")]); [INFO] [stdout] | ^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Node` in this scope [INFO] [stdout] --> src/lib.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | let n1 = Node(String::from("node 1"), vec![l1.clone(), l2.clone()]); [INFO] [stdout] | ^^^^ help: a unit variant with a similar name exists: `None` [INFO] [stdout] | [INFO] [stdout] --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/option.rs:603:4 [INFO] [stdout] | [INFO] [stdout] = note: similarly named unit variant `None` defined here [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Node` in this scope [INFO] [stdout] --> src/lib.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | let n2 = Node(String::from("node 2"), vec![l2.clone(), l1.clone(), l2.clone()]); [INFO] [stdout] | ^^^^ help: a unit variant with a similar name exists: `None` [INFO] [stdout] | [INFO] [stdout] --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/option.rs:603:4 [INFO] [stdout] | [INFO] [stdout] = note: similarly named unit variant `None` defined here [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Node` in this scope [INFO] [stdout] --> src/lib.rs:8:10 [INFO] [stdout] | [INFO] [stdout] 8 | let n3 = Node(String::from("node 3"), vec![n1.clone(), l1.clone(), l2.clone()]); [INFO] [stdout] | ^^^^ help: a unit variant with a similar name exists: `None` [INFO] [stdout] | [INFO] [stdout] --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/option.rs:603:4 [INFO] [stdout] | [INFO] [stdout] = note: similarly named unit variant `None` defined here [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `Node` in this scope [INFO] [stdout] --> src/lib.rs:9:10 [INFO] [stdout] | [INFO] [stdout] 9 | let n4 = Node(String::from("node 4"), vec![n1, n2, n3]); [INFO] [stdout] | ^^^^ help: a unit variant with a similar name exists: `None` [INFO] [stdout] | [INFO] [stdout] --> /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/option.rs:603:4 [INFO] [stdout] | [INFO] [stdout] = note: similarly named unit variant `None` defined here [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `write_tree` in this scope [INFO] [stdout] --> src/lib.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let _ = write_tree(&mut output, &n4); [INFO] [stdout] | ^^^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 3) [INFO] [stdout] src/lib.rs - write_tree (line 57) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "38fba7fc87f2a229f46df982f4734e7062681cf7a87cb573caf5b3b567ae834c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38fba7fc87f2a229f46df982f4734e7062681cf7a87cb573caf5b3b567ae834c", kill_on_drop: false }` [INFO] [stdout] 38fba7fc87f2a229f46df982f4734e7062681cf7a87cb573caf5b3b567ae834c