[INFO] fetching crate chainlink 0.1.0... [INFO] testing chainlink-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate chainlink 0.1.0 into /workspace/builds/worker-110/source [INFO] validating manifest of crates.io crate chainlink 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate chainlink 0.1.0 [INFO] finished tweaking crates.io crate chainlink 0.1.0 [INFO] tweaked toml for crates.io crate chainlink 0.1.0 written to /workspace/builds/worker-110/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f941a85c9d53a46a60f191a5098493f72e76f6ba5a0c52eb166edeb9fabc1ac6 [INFO] running `Command { std: "docker" "start" "-a" "f941a85c9d53a46a60f191a5098493f72e76f6ba5a0c52eb166edeb9fabc1ac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f941a85c9d53a46a60f191a5098493f72e76f6ba5a0c52eb166edeb9fabc1ac6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f941a85c9d53a46a60f191a5098493f72e76f6ba5a0c52eb166edeb9fabc1ac6", kill_on_drop: false }` [INFO] [stdout] f941a85c9d53a46a60f191a5098493f72e76f6ba5a0c52eb166edeb9fabc1ac6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c89ff1c6330719d34e73eb9bbff7ae19a5083b75186f9ada11563973d4277b13 [INFO] running `Command { std: "docker" "start" "-a" "c89ff1c6330719d34e73eb9bbff7ae19a5083b75186f9ada11563973d4277b13", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling thunderdome v0.4.2 [INFO] [stderr] Compiling chainlink v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `list` [INFO] [stdout] --> src/iter_links.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | list: &'a mut LinkedList, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fwd_pos` [INFO] [stdout] --> src/iter_links.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | fwd_pos: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rev_pos` [INFO] [stdout] --> src/iter_links.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | rev_pos: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.56s [INFO] running `Command { std: "docker" "inspect" "c89ff1c6330719d34e73eb9bbff7ae19a5083b75186f9ada11563973d4277b13", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c89ff1c6330719d34e73eb9bbff7ae19a5083b75186f9ada11563973d4277b13", kill_on_drop: false }` [INFO] [stdout] c89ff1c6330719d34e73eb9bbff7ae19a5083b75186f9ada11563973d4277b13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ef4987bf38c7212d5bc6efcf6af52cc276088ed04a0dcaeb289cc06a2b9a4756 [INFO] running `Command { std: "docker" "start" "-a" "ef4987bf38c7212d5bc6efcf6af52cc276088ed04a0dcaeb289cc06a2b9a4756", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling chainlink v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `list` [INFO] [stdout] --> src/iter_links.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | list: &'a mut LinkedList, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fwd_pos` [INFO] [stdout] --> src/iter_links.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | fwd_pos: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rev_pos` [INFO] [stdout] --> src/iter_links.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | rev_pos: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `list` [INFO] [stdout] --> src/iter_links.rs:58:5 [INFO] [stdout] | [INFO] [stdout] 58 | list: &'a mut LinkedList, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `fwd_pos` [INFO] [stdout] --> src/iter_links.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | fwd_pos: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `rev_pos` [INFO] [stdout] --> src/iter_links.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | rev_pos: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/iter_links.rs:56:10 [INFO] [stdout] | [INFO] [stdout] 56 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.33s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/chainlink-49c5e8d680734cf1) [INFO] running `Command { std: "docker" "inspect" "ef4987bf38c7212d5bc6efcf6af52cc276088ed04a0dcaeb289cc06a2b9a4756", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef4987bf38c7212d5bc6efcf6af52cc276088ed04a0dcaeb289cc06a2b9a4756", kill_on_drop: false }` [INFO] [stdout] ef4987bf38c7212d5bc6efcf6af52cc276088ed04a0dcaeb289cc06a2b9a4756 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 51a0729a2381cd2587ec6f58af78e2243459db326e6c1719e93b05578e1b4575 [INFO] running `Command { std: "docker" "start" "-a" "51a0729a2381cd2587ec6f58af78e2243459db326e6c1719e93b05578e1b4575", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: field is never read: `list` [INFO] [stderr] --> src/iter_links.rs:58:5 [INFO] [stderr] | [INFO] [stderr] 58 | list: &'a mut LinkedList, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/iter_links.rs:56:10 [INFO] [stderr] | [INFO] [stderr] 56 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `fwd_pos` [INFO] [stderr] --> src/iter_links.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | fwd_pos: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/iter_links.rs:56:10 [INFO] [stderr] | [INFO] [stderr] 56 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `rev_pos` [INFO] [stderr] --> src/iter_links.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | rev_pos: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `IterLinksMut` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/iter_links.rs:56:10 [INFO] [stderr] | [INFO] [stderr] 56 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `chainlink` (lib) generated 3 warnings [INFO] [stderr] warning: `chainlink` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.48s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chainlink-49c5e8d680734cf1) [INFO] [stderr] Doc-tests chainlink [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::size_of_node ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test src/lib.rs - LinkedList::len (line 321) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::remove (line 282) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::head_mut (line 144) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::iter_links (line 376) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::is_empty (line 340) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::into_vec (line 398) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::iter_fast (line 424) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::new (line 78) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::iter_links (line 360) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::iter_fast_mut (line 444) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::tail_mut (line 173) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::push_head (line 211) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::get (line 97) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::get_mut (line 111) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::push_tail (line 246) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::tail (line 158) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::pop_head (line 186) ... ok [INFO] [stdout] test src/lib.rs - (line 3) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::head (line 129) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::pop_tail (line 199) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.63s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "51a0729a2381cd2587ec6f58af78e2243459db326e6c1719e93b05578e1b4575", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51a0729a2381cd2587ec6f58af78e2243459db326e6c1719e93b05578e1b4575", kill_on_drop: false }` [INFO] [stdout] 51a0729a2381cd2587ec6f58af78e2243459db326e6c1719e93b05578e1b4575