[INFO] fetching crate txn_lock 0.10.0...
[INFO] checking txn_lock-0.10.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate txn_lock 0.10.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate txn_lock 0.10.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate txn_lock 0.10.0
[INFO] finished tweaking crates.io crate txn_lock 0.10.0
[INFO] tweaked toml for crates.io crate txn_lock 0.10.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding attribute-derive v0.6.1 (available: v0.10.1)
[INFO] [stderr]       Adding attribute-derive-macro v0.6.1 (available: v0.10.1)
[INFO] [stderr]       Adding ds-ext v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding proc-macro-utils v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding quote-use v0.7.2 (available: v0.8.4)
[INFO] [stderr]       Adding quote-use-macros v0.7.2 (available: v0.8.4)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16e5170b91ea2aad65c2db94514474336e5d7ea359f88485a55814246f2d5951
[INFO] running `Command { std: "docker" "start" "-a" "16e5170b91ea2aad65c2db94514474336e5d7ea359f88485a55814246f2d5951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16e5170b91ea2aad65c2db94514474336e5d7ea359f88485a55814246f2d5951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16e5170b91ea2aad65c2db94514474336e5d7ea359f88485a55814246f2d5951", kill_on_drop: false }`
[INFO] [stdout] 16e5170b91ea2aad65c2db94514474336e5d7ea359f88485a55814246f2d5951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f6968834bbd8a219feae544f187f2bc4f89d629fd0a80d42d7dc1070f7c4212a
[INFO] running `Command { std: "docker" "start" "-a" "f6968834bbd8a219feae544f187f2bc4f89d629fd0a80d42d7dc1070f7c4212a", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive-where v1.2.7
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]    Compiling quote-use-macros v0.7.2
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]    Compiling quote-use v0.7.2
[INFO] [stderr]    Compiling attribute-derive-macro v0.6.1
[INFO] [stderr]    Compiling attribute-derive v0.6.1
[INFO] [stderr]    Compiling get-size-derive v0.1.3
[INFO] [stderr]     Checking ds-ext v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking txn_lock v0.10.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/semaphore/version.rs:309:78
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn read<'a>(&'a self, target: &'a R, collator: &'a C) -> BoxTryFuture<Permit<R>> {
[INFO] [stdout]     |                 -- lifetime `'a` declared here                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/semaphore/version.rs:412:79
[INFO] [stdout]     |
[INFO] [stdout] 412 |     pub fn write<'a>(&'a self, target: &'a R, collator: &'a C) -> BoxTryFuture<Permit<R>> {
[INFO] [stdout]     |                  -- lifetime `'a` declared here                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/semaphore/version.rs:309:78
[INFO] [stdout]     |
[INFO] [stdout] 309 |     pub fn read<'a>(&'a self, target: &'a R, collator: &'a C) -> BoxTryFuture<Permit<R>> {
[INFO] [stdout]     |                 -- lifetime `'a` declared here                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]    --> src/semaphore/version.rs:412:79
[INFO] [stdout]     |
[INFO] [stdout] 412 |     pub fn write<'a>(&'a self, target: &'a R, collator: &'a C) -> BoxTryFuture<Permit<R>> {
[INFO] [stdout]     |                  -- lifetime `'a` declared here                               ^ this elided lifetime gets resolved as `'a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.96s
[INFO] running `Command { std: "docker" "inspect" "f6968834bbd8a219feae544f187f2bc4f89d629fd0a80d42d7dc1070f7c4212a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6968834bbd8a219feae544f187f2bc4f89d629fd0a80d42d7dc1070f7c4212a", kill_on_drop: false }`
[INFO] [stdout] f6968834bbd8a219feae544f187f2bc4f89d629fd0a80d42d7dc1070f7c4212a