[INFO] fetching crate ach-linked 0.2.2...
[INFO] checking ach-linked-0.2.2 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate ach-linked 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate ach-linked 0.2.2
[INFO] finished tweaking crates.io crate ach-linked 0.2.2
[INFO] tweaked toml for crates.io crate ach-linked 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ach-linked 0.2.2 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "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" "+82310651b93a594a3fd69015e1562186a080d94c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded riscv-pac v0.2.0
[INFO] [stderr]   Downloaded atomic v0.5.3
[INFO] [stderr]   Downloaded ach-cell v0.1.17
[INFO] [stderr]   Downloaded ach-util v0.1.16
[INFO] [stderr]   Downloaded riscv v0.14.0
[INFO] [stderr]   Downloaded msp430 v0.4.1
[INFO] [stderr]   Downloaded embedded-hal v1.0.0
[INFO] [stderr]   Downloaded spin_loop v0.1.1
[INFO] [stderr]   Downloaded riscv-macros v0.2.0
[INFO] [stderr]   Downloaded xtensa-lx v0.12.0
[INFO] [stderr]   Downloaded interrupt v0.1.3
[INFO] [stderr]   Downloaded on_drop v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e10a67e0bf887b25736cad47b5e3d43da665d620b1adade49f90380e59479da0
[INFO] running `Command { std: "docker" "start" "-a" "e10a67e0bf887b25736cad47b5e3d43da665d620b1adade49f90380e59479da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e10a67e0bf887b25736cad47b5e3d43da665d620b1adade49f90380e59479da0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e10a67e0bf887b25736cad47b5e3d43da665d620b1adade49f90380e59479da0", kill_on_drop: false }`
[INFO] [stdout] e10a67e0bf887b25736cad47b5e3d43da665d620b1adade49f90380e59479da0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88560d63a3d1544d86925a8cc7d05c287a4663e3cf7423f1f992e4c8b7ac5fae
[INFO] running `Command { std: "docker" "start" "-a" "88560d63a3d1544d86925a8cc7d05c287a4663e3cf7423f1f992e4c8b7ac5fae", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.3
[INFO] [stderr]     Checking atomic v0.5.3
[INFO] [stderr]     Checking bare-metal v1.0.0
[INFO] [stderr]     Checking spin_loop v0.1.1
[INFO] [stderr]     Checking on_drop v0.1.2
[INFO] [stderr]     Checking interrupt v0.1.3
[INFO] [stderr]     Checking ach-util v0.1.16
[INFO] [stderr]     Checking ach-cell v0.1.17
[INFO] [stderr]     Checking ach-linked v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn into_iter(&mut self) -> NodeIter<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] 74 |     pub fn into_iter(&mut self) -> NodeIter<'_, T> {
[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/lib.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 drop(node);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut &mut Node<T>`
[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] 189 -                 drop(node);
[INFO] [stdout] 189 +                 let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn into_iter(&mut self) -> NodeIter<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] 74 |     pub fn into_iter(&mut self) -> NodeIter<'_, T> {
[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/lib.rs:189:17
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 drop(node);
[INFO] [stdout]     |                 ^^^^^----^
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      argument has type `&mut &mut Node<T>`
[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] 189 -                 drop(node);
[INFO] [stdout] 189 +                 let _ = node;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "88560d63a3d1544d86925a8cc7d05c287a4663e3cf7423f1f992e4c8b7ac5fae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88560d63a3d1544d86925a8cc7d05c287a4663e3cf7423f1f992e4c8b7ac5fae", kill_on_drop: false }`
[INFO] [stdout] 88560d63a3d1544d86925a8cc7d05c287a4663e3cf7423f1f992e4c8b7ac5fae
