[INFO] fetching crate persway 0.6.2...
[INFO] checking persway-0.6.2 against 1.95.0 for pr-155915
[INFO] extracting crate persway 0.6.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate persway 0.6.2
[INFO] finished tweaking crates.io crate persway 0.6.2
[INFO] tweaked toml for crates.io crate persway 0.6.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate persway 0.6.2 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate persway 0.6.2 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dcffb3c6f2c795c6d1ee58edd91d94804ae4db08d01821e1ef8dd3f704b15435
[INFO] running `Command { std: "docker" "start" "-a" "dcffb3c6f2c795c6d1ee58edd91d94804ae4db08d01821e1ef8dd3f704b15435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcffb3c6f2c795c6d1ee58edd91d94804ae4db08d01821e1ef8dd3f704b15435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcffb3c6f2c795c6d1ee58edd91d94804ae4db08d01821e1ef8dd3f704b15435", kill_on_drop: false }`
[INFO] [stdout] dcffb3c6f2c795c6d1ee58edd91d94804ae4db08d01821e1ef8dd3f704b15435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a131f5403dcea258b47b2314c84634850bb0cc9ebe70866668fb3d9fefcb0dd
[INFO] running `Command { std: "docker" "start" "-a" "0a131f5403dcea258b47b2314c84634850bb0cc9ebe70866668fb3d9fefcb0dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling futures-core v0.3.26
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[INFO] [stderr]     Checking persway v0.6.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `is_root` and `is_container` are never used
[INFO] [stdout]   --> src/node_ext.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub trait NodeExt {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn is_root(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn is_container(&self) -> bool;
[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/node_ext.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn iter(&self) -> LinearNodeIterator;
[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] 48 |     fn iter(&self) -> LinearNodeIterator<'_>;
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node_ext.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn iter(&self) -> LinearNodeIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn iter(&self) -> LinearNodeIterator<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_root` and `is_container` are never used
[INFO] [stdout]   --> src/node_ext.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub trait NodeExt {
[INFO] [stdout]    |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn is_root(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn is_container(&self) -> bool;
[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/node_ext.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn iter(&self) -> LinearNodeIterator;
[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] 48 |     fn iter(&self) -> LinearNodeIterator<'_>;
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/node_ext.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn iter(&self) -> LinearNodeIterator {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 63 |     fn iter(&self) -> LinearNodeIterator<'_> {
[INFO] [stdout]    |                                         ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.47s
[INFO] running `Command { std: "docker" "inspect" "0a131f5403dcea258b47b2314c84634850bb0cc9ebe70866668fb3d9fefcb0dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a131f5403dcea258b47b2314c84634850bb0cc9ebe70866668fb3d9fefcb0dd", kill_on_drop: false }`
[INFO] [stdout] 0a131f5403dcea258b47b2314c84634850bb0cc9ebe70866668fb3d9fefcb0dd
