[INFO] fetching crate metrics-prometheus 0.6.0...
[INFO] checking metrics-prometheus-0.6.0 against master#b92758a9aef1cef7b79e2b72c3d8ba113e547f89 for pr-124305-1
[INFO] extracting crate metrics-prometheus 0.6.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate metrics-prometheus 0.6.0 on toolchain b92758a9aef1cef7b79e2b72c3d8ba113e547f89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-prometheus 0.6.0
[INFO] finished tweaking crates.io crate metrics-prometheus 0.6.0
[INFO] tweaked toml for crates.io crate metrics-prometheus 0.6.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sealed v0.5.0
[INFO] [stderr]   Downloaded metrics v0.22.3
[INFO] [stderr]   Downloaded metrics-util v0.16.3
[INFO] [stderr]   Downloaded prometheus v0.13.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 998a0f36c78619ac0272af01a22261e6590c1ea6fac1a53ba0a11ccea5a76120
[INFO] running `Command { std: "docker" "start" "-a" "998a0f36c78619ac0272af01a22261e6590c1ea6fac1a53ba0a11ccea5a76120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "998a0f36c78619ac0272af01a22261e6590c1ea6fac1a53ba0a11ccea5a76120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "998a0f36c78619ac0272af01a22261e6590c1ea6fac1a53ba0a11ccea5a76120", kill_on_drop: false }`
[INFO] [stdout] 998a0f36c78619ac0272af01a22261e6590c1ea6fac1a53ba0a11ccea5a76120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b92758a9aef1cef7b79e2b72c3d8ba113e547f89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20c9927d2aef49d512a8124c9c602d942d68f1a228da963d61343b4b32d970cc
[INFO] running `Command { std: "docker" "start" "-a" "20c9927d2aef49d512a8124c9c602d942d68f1a228da963d61343b4b32d970cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking metrics v0.22.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking metrics-util v0.16.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]     Checking metrics-prometheus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     unused_tuple_struct_fields,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     unused_tuple_struct_fields,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.59s
[INFO] running `Command { std: "docker" "inspect" "20c9927d2aef49d512a8124c9c602d942d68f1a228da963d61343b4b32d970cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20c9927d2aef49d512a8124c9c602d942d68f1a228da963d61343b4b32d970cc", kill_on_drop: false }`
[INFO] [stdout] 20c9927d2aef49d512a8124c9c602d942d68f1a228da963d61343b4b32d970cc
[INFO] checking metrics-prometheus-0.6.0 against try#c1a4c206c24587a392f3bf286bc2e2a61502d44b for pr-124305-1
[INFO] extracting crate metrics-prometheus 0.6.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate metrics-prometheus 0.6.0 on toolchain c1a4c206c24587a392f3bf286bc2e2a61502d44b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metrics-prometheus 0.6.0
[INFO] finished tweaking crates.io crate metrics-prometheus 0.6.0
[INFO] tweaked toml for crates.io crate metrics-prometheus 0.6.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c56007eb99a42f777af1e388717db7865390de78bf463ccbe2f6d7f096a10ea2
[INFO] running `Command { std: "docker" "start" "-a" "c56007eb99a42f777af1e388717db7865390de78bf463ccbe2f6d7f096a10ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c56007eb99a42f777af1e388717db7865390de78bf463ccbe2f6d7f096a10ea2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c56007eb99a42f777af1e388717db7865390de78bf463ccbe2f6d7f096a10ea2", kill_on_drop: false }`
[INFO] [stdout] c56007eb99a42f777af1e388717db7865390de78bf463ccbe2f6d7f096a10ea2
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+c1a4c206c24587a392f3bf286bc2e2a61502d44b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b43383041f1603ae48ee746da9aab271682a4f76501606510bd374ec98f0b34
[INFO] running `Command { std: "docker" "start" "-a" "9b43383041f1603ae48ee746da9aab271682a4f76501606510bd374ec98f0b34", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking zerocopy v0.7.34
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling prometheus v0.13.4
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking metrics v0.22.3
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking metrics-util v0.16.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling sealed v0.5.0
[INFO] [stderr]     Checking metrics-prometheus v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     unused_tuple_struct_fields,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `unused_tuple_struct_fields` has been renamed to `dead_code`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     unused_tuple_struct_fields,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `dead_code`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "9b43383041f1603ae48ee746da9aab271682a4f76501606510bd374ec98f0b34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b43383041f1603ae48ee746da9aab271682a4f76501606510bd374ec98f0b34", kill_on_drop: false }`
[INFO] [stdout] 9b43383041f1603ae48ee746da9aab271682a4f76501606510bd374ec98f0b34