[INFO] fetching crate applejack 0.2.1...
[INFO] checking applejack-0.2.1 against try#38c2997544af84fe301d600d6896397738163002 for pr-154205-1
[INFO] extracting crate applejack 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate applejack 0.2.1
[INFO] finished tweaking crates.io crate applejack 0.2.1
[INFO] tweaked toml for crates.io crate applejack 0.2.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate applejack 0.2.1 on toolchain 38c2997544af84fe301d600d6896397738163002
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "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" "+38c2997544af84fe301d600d6896397738163002" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83c0d77acb3b12c74fcf093eaf89c2c5b23a5703d4c65709f8443e4aec9fc67a
[INFO] running `Command { std: "docker" "start" "-a" "83c0d77acb3b12c74fcf093eaf89c2c5b23a5703d4c65709f8443e4aec9fc67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83c0d77acb3b12c74fcf093eaf89c2c5b23a5703d4c65709f8443e4aec9fc67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83c0d77acb3b12c74fcf093eaf89c2c5b23a5703d4c65709f8443e4aec9fc67a", kill_on_drop: false }`
[INFO] [stdout] 83c0d77acb3b12c74fcf093eaf89c2c5b23a5703d4c65709f8443e4aec9fc67a
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+38c2997544af84fe301d600d6896397738163002" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 143b885c4280d424aa1be401646aadb8c50911bb2f73464543b248b6b2ba4f66
[INFO] running `Command { std: "docker" "start" "-a" "143b885c4280d424aa1be401646aadb8c50911bb2f73464543b248b6b2ba4f66", kill_on_drop: false }`
[INFO] [stderr]     Checking applejack v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:159:71
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn find_node<'this, 'key>(&'this self, key: &'key [u8]) -> Option<&RaxNode<T>> {
[INFO] [stdout]     |                                ----- the lifetime is named here       ^^^^^^^^^^^ the same 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: consistently use `'this`
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn find_node<'this, 'key>(&'this self, key: &'key [u8]) -> Option<&'this RaxNode<T>> {
[INFO] [stdout]     |                                                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:172:79
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn find_node_mut<'this, 'key>(&'this mut self, key: &'key [u8]) -> Option<&mut RaxNode<T>> {
[INFO] [stdout]     |                                    ----- the lifetime is named here           ^^^^^^^^^^^^^^^ the same 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: consistently use `'this`
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn find_node_mut<'this, 'key>(&'this mut self, key: &'key [u8]) -> Option<&'this mut RaxNode<T>> {
[INFO] [stdout]     |                                                                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:159:71
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn find_node<'this, 'key>(&'this self, key: &'key [u8]) -> Option<&RaxNode<T>> {
[INFO] [stdout]     |                                ----- the lifetime is named here       ^^^^^^^^^^^ the same 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: consistently use `'this`
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn find_node<'this, 'key>(&'this self, key: &'key [u8]) -> Option<&'this RaxNode<T>> {
[INFO] [stdout]     |                                                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:172:79
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn find_node_mut<'this, 'key>(&'this mut self, key: &'key [u8]) -> Option<&mut RaxNode<T>> {
[INFO] [stdout]     |                                    ----- the lifetime is named here           ^^^^^^^^^^^^^^^ the same 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: consistently use `'this`
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn find_node_mut<'this, 'key>(&'this mut self, key: &'key [u8]) -> Option<&'this mut RaxNode<T>> {
[INFO] [stdout]     |                                                                                +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "143b885c4280d424aa1be401646aadb8c50911bb2f73464543b248b6b2ba4f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143b885c4280d424aa1be401646aadb8c50911bb2f73464543b248b6b2ba4f66", kill_on_drop: false }`
[INFO] [stdout] 143b885c4280d424aa1be401646aadb8c50911bb2f73464543b248b6b2ba4f66