[INFO] fetching crate allocative 0.3.4...
[INFO] checking allocative-0.3.4 against master#cf79d034aa3d8f396d407aafce6f1ccd818e710e for pr-155657
[INFO] extracting crate allocative 0.3.4 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate allocative 0.3.4
[INFO] finished tweaking crates.io crate allocative 0.3.4
[INFO] tweaked toml for crates.io crate allocative 0.3.4 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate allocative 0.3.4 on toolchain cf79d034aa3d8f396d407aafce6f1ccd818e710e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 120 packages to latest compatible versions
[INFO] [stderr]       Adding compact_str v0.8.1 (available: v0.9.0)
[INFO] [stderr]       Adding ctor v0.1.26 (available: v1.0.3)
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] [stderr]       Adding hashbrown v0.14.5 (available: v0.17.0)
[INFO] [stderr]       Adding inferno v0.11.21 (available: v0.12.6)
[INFO] [stderr]       Adding parking_lot v0.11.2 (available: v0.12.5)
[INFO] [stderr]       Adding prost-types v0.11.9 (available: v0.14.3)
[INFO] [stderr]       Adding relative-path v1.9.3 (available: v2.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sorted_vector_map v0.2.1
[INFO] [stderr]   Downloaded triomphe v0.1.15
[INFO] [stderr]   Downloaded prost-types v0.11.9
[INFO] [stderr]   Downloaded str_stack v0.1.0
[INFO] [stderr]   Downloaded allocative_derive v0.3.3
[INFO] [stderr]   Downloaded quickcheck v1.1.0
[INFO] [stderr]   Downloaded rand_core v0.10.1
[INFO] [stderr]   Downloaded prost v0.11.9
[INFO] [stderr]   Downloaded prost-derive v0.11.9
[INFO] [stderr]   Downloaded num-format v0.4.4
[INFO] [stderr]   Downloaded quick-xml v0.26.0
[INFO] [stderr]   Downloaded inferno v0.11.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c761e889c1ecd9855b1b3f4b45c94f54976e15378d5a59a3c8b8cd99c4f5de5d
[INFO] running `Command { std: "docker" "start" "-a" "c761e889c1ecd9855b1b3f4b45c94f54976e15378d5a59a3c8b8cd99c4f5de5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c761e889c1ecd9855b1b3f4b45c94f54976e15378d5a59a3c8b8cd99c4f5de5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c761e889c1ecd9855b1b3f4b45c94f54976e15378d5a59a3c8b8cd99c4f5de5d", kill_on_drop: false }`
[INFO] [stdout] c761e889c1ecd9855b1b3f4b45c94f54976e15378d5a59a3c8b8cd99c4f5de5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+cf79d034aa3d8f396d407aafce6f1ccd818e710e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d18a522f960f81762bf02766b3dea28a5a1b991fce63fd0bfa616d0190c2a96
[INFO] running `Command { std: "docker" "start" "-a" "4d18a522f960f81762bf02766b3dea28a5a1b991fce63fd0bfa616d0190c2a96", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking bytemuck v1.25.0
[INFO] [stderr]    Compiling allocative v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking quick-xml v0.26.0
[INFO] [stderr]     Checking str_stack v0.1.0
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]    Compiling allocative_derive v0.3.3
[INFO] [stderr]     Checking rgb v0.8.53
[INFO] [stderr]     Checking inferno v0.11.21
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/flamegraph.rs:454:5
[INFO] [stdout]     |
[INFO] [stdout] 454 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/flamegraph.rs:454:5
[INFO] [stdout]     |
[INFO] [stdout] 454 |     #[must_use]
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, foreign functions, functions, inherent methods, provided trait methods, required trait methods, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/rc_str.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl RcStr {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 33 |     pub(crate) fn as_str(&self) -> &str {
[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/flamegraph.rs:190:15
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn as_ref(&self) -> TreeRef {
[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] 190 |     fn as_ref(&self) -> TreeRef<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/flamegraph.rs:348:25
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn root_visitor(&mut self) -> Visitor {
[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] 348 |     pub fn root_visitor(&mut self) -> Visitor<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/flamegraph.rs:418:16
[INFO] [stdout]     |
[INFO] [stdout] 418 |     fn current(&mut self) -> TreeStackRef {
[INFO] [stdout]     |                ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetimes are 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] 418 |     fn current(&mut self) -> TreeStackRef<'_, '_> {
[INFO] [stdout]     |                                          ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_str` is never used
[INFO] [stdout]   --> src/rc_str.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl RcStr {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 33 |     pub(crate) fn as_str(&self) -> &str {
[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/flamegraph.rs:190:15
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn as_ref(&self) -> TreeRef {
[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] 190 |     fn as_ref(&self) -> TreeRef<'_> {
[INFO] [stdout]     |                                ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/flamegraph.rs:348:25
[INFO] [stdout]     |
[INFO] [stdout] 348 |     pub fn root_visitor(&mut self) -> Visitor {
[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] 348 |     pub fn root_visitor(&mut self) -> Visitor<'_> {
[INFO] [stdout]     |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/flamegraph.rs:418:16
[INFO] [stdout]     |
[INFO] [stdout] 418 |     fn current(&mut self) -> TreeStackRef {
[INFO] [stdout]     |                ^^^^^^^^^     ^^^^^^^^^^^^ the same lifetimes are 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] 418 |     fn current(&mut self) -> TreeStackRef<'_, '_> {
[INFO] [stdout]     |                                          ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.92s
[INFO] running `Command { std: "docker" "inspect" "4d18a522f960f81762bf02766b3dea28a5a1b991fce63fd0bfa616d0190c2a96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d18a522f960f81762bf02766b3dea28a5a1b991fce63fd0bfa616d0190c2a96", kill_on_drop: false }`
[INFO] [stdout] 4d18a522f960f81762bf02766b3dea28a5a1b991fce63fd0bfa616d0190c2a96
