[INFO] cloning repository https://github.com/kirkpetersen/rust-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirkpetersen/rust-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Frust-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Frust-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 34532a261b3591d4a9f19cd65101ab238da31d63 [INFO] testing kirkpetersen/rust-examples against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirkpetersen%2Frust-examples" "/workspace/builds/worker-20/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-20/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kirkpetersen/rust-examples on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kirkpetersen/rust-examples [INFO] finished tweaking git repo https://github.com/kirkpetersen/rust-examples [INFO] tweaked toml for git repo https://github.com/kirkpetersen/rust-examples written to /workspace/builds/worker-20/source/Cargo.toml [INFO] crate git repo https://github.com/kirkpetersen/rust-examples already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3e892ba5fe1e01b0694eac2cac76f629c8e048d5218411462b137cc4fca24dd [INFO] running `Command { std: "docker" "start" "-a" "d3e892ba5fe1e01b0694eac2cac76f629c8e048d5218411462b137cc4fca24dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3e892ba5fe1e01b0694eac2cac76f629c8e048d5218411462b137cc4fca24dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3e892ba5fe1e01b0694eac2cac76f629c8e048d5218411462b137cc4fca24dd", kill_on_drop: false }` [INFO] [stdout] d3e892ba5fe1e01b0694eac2cac76f629c8e048d5218411462b137cc4fca24dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6e5d0032175e1186d3ac5ea47f66bc8d5b3f7b440978aebf2525bf4fe1f9c718 [INFO] running `Command { std: "docker" "start" "-a" "6e5d0032175e1186d3ac5ea47f66bc8d5b3f7b440978aebf2525bf4fe1f9c718", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `key` [INFO] [stdout] --> src/trie.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | key: K, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/trie.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | value: V, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `l` [INFO] [stdout] --> src/trie.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | l: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r` [INFO] [stdout] --> src/trie.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | r: Option>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 08s [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "6e5d0032175e1186d3ac5ea47f66bc8d5b3f7b440978aebf2525bf4fe1f9c718", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6e5d0032175e1186d3ac5ea47f66bc8d5b3f7b440978aebf2525bf4fe1f9c718", kill_on_drop: false }` [INFO] [stdout] 6e5d0032175e1186d3ac5ea47f66bc8d5b3f7b440978aebf2525bf4fe1f9c718 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9409235f584e7cdcb0f4d6f7299ffbedf4bc06894bb498efa41c4d5e228ae6e6 [INFO] running `Command { std: "docker" "start" "-a" "9409235f584e7cdcb0f4d6f7299ffbedf4bc06894bb498efa41c4d5e228ae6e6", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-examples v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `l` [INFO] [stdout] --> src/trie.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | l: Option>>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `r` [INFO] [stdout] --> src/trie.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | r: Option>> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.56s [INFO] running `Command { std: "docker" "inspect" "9409235f584e7cdcb0f4d6f7299ffbedf4bc06894bb498efa41c4d5e228ae6e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9409235f584e7cdcb0f4d6f7299ffbedf4bc06894bb498efa41c4d5e228ae6e6", kill_on_drop: false }` [INFO] [stdout] 9409235f584e7cdcb0f4d6f7299ffbedf4bc06894bb498efa41c4d5e228ae6e6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-20/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f3c4bd15f4cc0b7153165d86ae75fef061c5a0e06fc7f7cb4130c5f68eb34fff [INFO] running `Command { std: "docker" "start" "-a" "f3c4bd15f4cc0b7153165d86ae75fef061c5a0e06fc7f7cb4130c5f68eb34fff", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `l` [INFO] [stderr] --> src/trie.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | l: Option>>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `r` [INFO] [stderr] --> src/trie.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | r: Option>> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `rust-examples` (bin "rust-examples" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/rust_examples-c96bc296443e5dac) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test duplicates::it_detects_duplicates ... ok [INFO] [stdout] test duplicates::returns_duplicates ... ok [INFO] [stdout] test parenthesis::it_verifies_parenthesis ... ok [INFO] [stdout] test trie::check_the_trie_stuff ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f3c4bd15f4cc0b7153165d86ae75fef061c5a0e06fc7f7cb4130c5f68eb34fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3c4bd15f4cc0b7153165d86ae75fef061c5a0e06fc7f7cb4130c5f68eb34fff", kill_on_drop: false }` [INFO] [stdout] f3c4bd15f4cc0b7153165d86ae75fef061c5a0e06fc7f7cb4130c5f68eb34fff