[INFO] fetching crate samply 0.13.1...
[INFO] checking samply-0.13.1 against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] extracting crate samply 0.13.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate samply 0.13.1
[INFO] finished tweaking crates.io crate samply 0.13.1
[INFO] tweaked toml for crates.io crate samply 0.13.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate samply 0.13.1 on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate samply 0.13.1 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3db9cbf7a7b9460438216970fa238b07ce5107166144ce36756dc26934f44590
[INFO] running `Command { std: "docker" "start" "-a" "3db9cbf7a7b9460438216970fa238b07ce5107166144ce36756dc26934f44590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3db9cbf7a7b9460438216970fa238b07ce5107166144ce36756dc26934f44590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3db9cbf7a7b9460438216970fa238b07ce5107166144ce36756dc26934f44590", kill_on_drop: false }`
[INFO] [stdout] 3db9cbf7a7b9460438216970fa238b07ce5107166144ce36756dc26934f44590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee7036b84544f85f8aef5cdca00dad15d94150c721be0e19fd9a1a9f196fd67
[INFO] running `Command { std: "docker" "start" "-a" "5ee7036b84544f85f8aef5cdca00dad15d94150c721be0e19fd9a1a9f196fd67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
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[INFO] [stderr]     Checking samply v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `UserTimingMarker` is never constructed
[INFO] [stdout]    --> src/shared/process_sample_data.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub struct UserTimingMarker(pub StringHandle);
[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/linux/perf_event.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn iter(&mut self) -> EventIter {
[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] 460 |     pub fn iter(&mut self) -> EventIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UserTimingMarker` is never constructed
[INFO] [stdout]    --> src/shared/process_sample_data.rs:220:12
[INFO] [stdout]     |
[INFO] [stdout] 220 | pub struct UserTimingMarker(pub StringHandle);
[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/linux/perf_event.rs:460:17
[INFO] [stdout]     |
[INFO] [stdout] 460 |     pub fn iter(&mut self) -> EventIter {
[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] 460 |     pub fn iter(&mut self) -> EventIter<'_> {
[INFO] [stdout]     |                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.29s
[INFO] running `Command { std: "docker" "inspect" "5ee7036b84544f85f8aef5cdca00dad15d94150c721be0e19fd9a1a9f196fd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee7036b84544f85f8aef5cdca00dad15d94150c721be0e19fd9a1a9f196fd67", kill_on_drop: false }`
[INFO] [stdout] 5ee7036b84544f85f8aef5cdca00dad15d94150c721be0e19fd9a1a9f196fd67
