[INFO] fetching crate chainlink 0.1.0...
[INFO] testing chainlink-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate chainlink 0.1.0 into /workspace/builds/worker-0-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chainlink 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33d93d1e008e2535a30dc391ec012d2786021d11a81feca73273cbb82e672079
[INFO] running `Command { std: "docker" "start" "-a" "33d93d1e008e2535a30dc391ec012d2786021d11a81feca73273cbb82e672079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33d93d1e008e2535a30dc391ec012d2786021d11a81feca73273cbb82e672079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d93d1e008e2535a30dc391ec012d2786021d11a81feca73273cbb82e672079", kill_on_drop: false }`
[INFO] [stdout] 33d93d1e008e2535a30dc391ec012d2786021d11a81feca73273cbb82e672079
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd66268dd4e88a331cd7bb88ebf4ef7737378afe065f2783886921569b4e80d0
[INFO] running `Command { std: "docker" "start" "-a" "cd66268dd4e88a331cd7bb88ebf4ef7737378afe065f2783886921569b4e80d0", 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<T> {
[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 0.36s
[INFO] running `Command { std: "docker" "inspect" "cd66268dd4e88a331cd7bb88ebf4ef7737378afe065f2783886921569b4e80d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd66268dd4e88a331cd7bb88ebf4ef7737378afe065f2783886921569b4e80d0", kill_on_drop: false }`
[INFO] [stdout] cd66268dd4e88a331cd7bb88ebf4ef7737378afe065f2783886921569b4e80d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c435b500c405bcba80c0e7abc568cdc56b5803d401c4b82f7be02c1153ef70f3
[INFO] running `Command { std: "docker" "start" "-a" "c435b500c405bcba80c0e7abc568cdc56b5803d401c4b82f7be02c1153ef70f3", 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<T> {
[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<T> {
[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 0.25s
[INFO] running `Command { std: "docker" "inspect" "c435b500c405bcba80c0e7abc568cdc56b5803d401c4b82f7be02c1153ef70f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c435b500c405bcba80c0e7abc568cdc56b5803d401c4b82f7be02c1153ef70f3", kill_on_drop: false }`
[INFO] [stdout] c435b500c405bcba80c0e7abc568cdc56b5803d401c4b82f7be02c1153ef70f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4c5897eac4ffaf58f8c17484aec351b229df2bb656f9f346ddf9ec87b125001a
[INFO] running `Command { std: "docker" "start" "-a" "4c5897eac4ffaf58f8c17484aec351b229df2bb656f9f346ddf9ec87b125001a", 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<T> {
[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 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chainlink-a91fb62cf42a6f85)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chainlink
[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<T>::into_vec (line 398) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::pop_tail (line 199) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::is_empty (line 340) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::new (line 78) ... ok
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::iter_links (line 376) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::get (line 97) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::iter_links (line 360) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::head_mut (line 144) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::len (line 321) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::get_mut (line 111) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::iter_fast_mut (line 444) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::pop_head (line 186) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::head (line 129) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::push_head (line 211) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::tail_mut (line 173) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::remove (line 282) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::tail (line 158) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::iter_fast (line 424) ... ok
[INFO] [stdout] test src/lib.rs - LinkedList<T>::push_tail (line 246) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4c5897eac4ffaf58f8c17484aec351b229df2bb656f9f346ddf9ec87b125001a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c5897eac4ffaf58f8c17484aec351b229df2bb656f9f346ddf9ec87b125001a", kill_on_drop: false }`
[INFO] [stdout] 4c5897eac4ffaf58f8c17484aec351b229df2bb656f9f346ddf9ec87b125001a
