[INFO] cloning repository https://github.com/celaltas/crabcache [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/celaltas/crabcache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaltas%2Fcrabcache", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaltas%2Fcrabcache'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ace061b76a67061c67310eb6a08e9f0f90b8b181 [INFO] checking celaltas/crabcache/ace061b76a67061c67310eb6a08e9f0f90b8b181 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaltas%2Fcrabcache" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/celaltas/crabcache on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/celaltas/crabcache [INFO] finished tweaking git repo https://github.com/celaltas/crabcache [INFO] tweaked toml for git repo https://github.com/celaltas/crabcache written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/celaltas/crabcache 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded container_of v0.5.1 [INFO] [stderr] Downloaded mio v1.0.0 [INFO] [stderr] Downloaded quickcheck v0.8.5 [INFO] [stderr] Downloaded quickcheck_macros v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 18a4265f321fa648672eb45110098657153d1dc24953caadd9b043f4a175b6f1 [INFO] running `Command { std: "docker" "start" "-a" "18a4265f321fa648672eb45110098657153d1dc24953caadd9b043f4a175b6f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "18a4265f321fa648672eb45110098657153d1dc24953caadd9b043f4a175b6f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "18a4265f321fa648672eb45110098657153d1dc24953caadd9b043f4a175b6f1", kill_on_drop: false }` [INFO] [stdout] 18a4265f321fa648672eb45110098657153d1dc24953caadd9b043f4a175b6f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1c2f1382c0c98fe7970fb23af6a4cf3031ae3a17dd55dae936ac1673baeb3dae [INFO] running `Command { std: "docker" "start" "-a" "1c2f1382c0c98fe7970fb23af6a4cf3031ae3a17dd55dae936ac1673baeb3dae", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking mio v1.0.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking container_of v0.5.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Compiling quickcheck_macros v0.8.0 [INFO] [stderr] Checking regex v1.10.5 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking quickcheck v0.8.5 [INFO] [stderr] Checking crabcache v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/serialization.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arbitrary` and `Gen` [INFO] [stdout] --> src/avl_tree/set.rs:1:18 [INFO] [stdout] | [INFO] [stdout] 1 | use quickcheck::{Arbitrary, Gen}; [INFO] [stdout] | ^^^^^^^^^ ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/serialization.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ByteOrder` [INFO] [stdout] --> src/serialization.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use byteorder::{ByteOrder, LittleEndian, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Data` is never constructed [INFO] [stdout] --> src/entry.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Data { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/entry.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl Data { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 39 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `delete`, `rebalance_path`, `iter`, and `node_iter` are never used [INFO] [stdout] --> src/avl_tree/set.rs:32:12 [INFO] [stdout] | [INFO] [stdout] 27 | impl<'a, T: 'a + Ord + Debug> AvlTreeSet { [INFO] [stdout] | ------------------------------------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 32 | pub fn delete(&mut self, value: &T) -> Result<(), DeleteError> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 118 | fn rebalance_path(path: &[*mut AvlNode]) -> Result<(), DeleteError> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 156 | pub fn iter(&'a self) -> impl Iterator + 'a { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 160 | fn node_iter(&'a self) -> impl Iterator> + 'a { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `AvlTreeSetIter` is never constructed [INFO] [stdout] --> src/avl_tree/set.rs:190:8 [INFO] [stdout] | [INFO] [stdout] 190 | struct AvlTreeSetIter<'a, T: Ord> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/commands/del.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | drop(entry); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&entry::Entry` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 23 - drop(entry); [INFO] [stdout] 23 + let _ = entry; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ByteOrder` [INFO] [stdout] --> src/serialization.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use byteorder::{ByteOrder, LittleEndian, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Data` is never constructed [INFO] [stdout] --> src/entry.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | struct Data { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/entry.rs:39:12 [INFO] [stdout] | [INFO] [stdout] 38 | impl Data { [INFO] [stdout] | --------- associated function in this implementation [INFO] [stdout] 39 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/commands/del.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | drop(entry); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&entry::Entry` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 23 - drop(entry); [INFO] [stdout] 23 + let _ = entry; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.52s [INFO] running `Command { std: "docker" "inspect" "1c2f1382c0c98fe7970fb23af6a4cf3031ae3a17dd55dae936ac1673baeb3dae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c2f1382c0c98fe7970fb23af6a4cf3031ae3a17dd55dae936ac1673baeb3dae", kill_on_drop: false }` [INFO] [stdout] 1c2f1382c0c98fe7970fb23af6a4cf3031ae3a17dd55dae936ac1673baeb3dae