[INFO] fetching crate chainlink 0.1.0... [INFO] testing chainlink-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate chainlink 0.1.0 into /workspace/builds/worker-0-tc1/source [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-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate chainlink 0.1.0 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] [stderr] Updating crates.io index [INFO] [stderr] Locking 1 package to latest compatible version [INFO] [stderr] Adding thunderdome v0.4.2 (available: v0.6.1) [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] Downloading crates ... [INFO] [stderr] Downloaded thunderdome v0.4.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 57d9a48e671530cf6cc845759ddafa55599693e2268cba9328c58af6378bcd1b [INFO] running `Command { std: "docker" "start" "-a" "57d9a48e671530cf6cc845759ddafa55599693e2268cba9328c58af6378bcd1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "57d9a48e671530cf6cc845759ddafa55599693e2268cba9328c58af6378bcd1b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "57d9a48e671530cf6cc845759ddafa55599693e2268cba9328c58af6378bcd1b", kill_on_drop: false }` [INFO] [stdout] 57d9a48e671530cf6cc845759ddafa55599693e2268cba9328c58af6378bcd1b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9418d042dc279028108e679d1950f28e7053f7d72e7ef14f18eaea3011f8de1e [INFO] running `Command { std: "docker" "start" "-a" "9418d042dc279028108e679d1950f28e7053f7d72e7ef14f18eaea3011f8de1e", kill_on_drop: false }` [INFO] [stderr] Compiling thunderdome v0.4.2 [INFO] [stderr] Compiling chainlink v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `IterLinksMut` is never constructed [INFO] [stdout] --> src/iter_links.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct IterLinksMut<'a, T> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:388:23 [INFO] [stdout] | [INFO] [stdout] 388 | pub fn iter_links(&self) -> iter_links::IterLinks { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 388 | pub fn iter_links(&self) -> iter_links::IterLinks<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `Command { std: "docker" "inspect" "9418d042dc279028108e679d1950f28e7053f7d72e7ef14f18eaea3011f8de1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9418d042dc279028108e679d1950f28e7053f7d72e7ef14f18eaea3011f8de1e", kill_on_drop: false }` [INFO] [stdout] 9418d042dc279028108e679d1950f28e7053f7d72e7ef14f18eaea3011f8de1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3b6cab3e11e13fc57fbf7938eeb4b78034f2f803c421252833e12fe59f006a8b [INFO] running `Command { std: "docker" "start" "-a" "3b6cab3e11e13fc57fbf7938eeb4b78034f2f803c421252833e12fe59f006a8b", kill_on_drop: false }` [INFO] [stdout] warning: struct `IterLinksMut` is never constructed [INFO] [stdout] --> src/iter_links.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct IterLinksMut<'a, T> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:388:23 [INFO] [stdout] | [INFO] [stdout] 388 | pub fn iter_links(&self) -> iter_links::IterLinks { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 388 | pub fn iter_links(&self) -> iter_links::IterLinks<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling chainlink v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `IterLinksMut` is never constructed [INFO] [stdout] --> src/iter_links.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | pub struct IterLinksMut<'a, T> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:388:23 [INFO] [stdout] | [INFO] [stdout] 388 | pub fn iter_links(&self) -> iter_links::IterLinks { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 388 | pub fn iter_links(&self) -> iter_links::IterLinks<'_, T> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s [INFO] running `Command { std: "docker" "inspect" "3b6cab3e11e13fc57fbf7938eeb4b78034f2f803c421252833e12fe59f006a8b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b6cab3e11e13fc57fbf7938eeb4b78034f2f803c421252833e12fe59f006a8b", kill_on_drop: false }` [INFO] [stdout] 3b6cab3e11e13fc57fbf7938eeb4b78034f2f803c421252833e12fe59f006a8b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5446a8b1c840a50059d31e53ab9cd72403f806648bd89f6c4e1ca3074584912c [INFO] running `Command { std: "docker" "start" "-a" "5446a8b1c840a50059d31e53ab9cd72403f806648bd89f6c4e1ca3074584912c", kill_on_drop: false }` [INFO] [stderr] warning: struct `IterLinksMut` is never constructed [INFO] [stderr] --> src/iter_links.rs:57:12 [INFO] [stderr] | [INFO] [stderr] 57 | pub struct IterLinksMut<'a, T> { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:388:23 [INFO] [stderr] | [INFO] [stderr] 388 | pub fn iter_links(&self) -> iter_links::IterLinks { [INFO] [stderr] | ^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 388 | pub fn iter_links(&self) -> iter_links::IterLinks<'_, T> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `chainlink` (lib) generated 2 warnings (run `cargo fix --lib -p chainlink` to apply 1 suggestion) [INFO] [stderr] warning: `chainlink` (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/chainlink-a91fb62cf42a6f85) [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] [stderr] Doc-tests chainlink [INFO] [stdout] [INFO] [stdout] running 20 tests [INFO] [stdout] test src/lib.rs - LinkedList::iter_fast_mut (line 444) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::pop_head (line 186) ... 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] test src/lib.rs - LinkedList::is_empty (line 340) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::len (line 321) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::iter_links (line 376) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::head_mut (line 144) ... 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::iter_links (line 360) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::new (line 78) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::get (line 97) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::into_vec (line 398) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::push_head (line 211) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::iter_fast (line 424) ... ok [INFO] [stdout] test src/lib.rs - (line 3) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::tail_mut (line 173) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::remove (line 282) ... ok [INFO] [stdout] test src/lib.rs - LinkedList::tail (line 158) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "5446a8b1c840a50059d31e53ab9cd72403f806648bd89f6c4e1ca3074584912c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5446a8b1c840a50059d31e53ab9cd72403f806648bd89f6c4e1ca3074584912c", kill_on_drop: false }` [INFO] [stdout] 5446a8b1c840a50059d31e53ab9cd72403f806648bd89f6c4e1ca3074584912c