[INFO] fetching crate uppercut 0.4.0... [INFO] checking uppercut-0.4.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1 [INFO] extracting crate uppercut 0.4.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate uppercut 0.4.0 [INFO] finished tweaking crates.io crate uppercut 0.4.0 [INFO] tweaked toml for crates.io crate uppercut 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate uppercut 0.4.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate uppercut 0.4.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9353aad172f49537ba0d3113d7a638ad4d4e69e406919c0179c51db4e2250b7c [INFO] running `Command { std: "docker" "start" "-a" "9353aad172f49537ba0d3113d7a638ad4d4e69e406919c0179c51db4e2250b7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9353aad172f49537ba0d3113d7a638ad4d4e69e406919c0179c51db4e2250b7c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9353aad172f49537ba0d3113d7a638ad4d4e69e406919c0179c51db4e2250b7c", kill_on_drop: false }` [INFO] [stdout] 9353aad172f49537ba0d3113d7a638ad4d4e69e406919c0179c51db4e2250b7c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a699249fe5deb7cbc78b7b00e51c2aa62b10708437516e524e21e204a1dcd02f [INFO] running `Command { std: "docker" "start" "-a" "a699249fe5deb7cbc78b7b00e51c2aa62b10708437516e524e21e204a1dcd02f", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking core_affinity v0.5.10 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking parsed v0.3.0 [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking mio v0.8.3 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-channel v0.5.4 [INFO] [stderr] Checking uppercut v0.4.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.5.6 [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core.rs:211:47 [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stdout] | ^^ the lifetime is named here ------- the same lifetime is hidden 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 `'a` [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core.rs:266:28 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [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] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/gossip.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | New(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 52 - New(String), [INFO] [stdout] 52 + New(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> examples/gossip.rs:53:9 [INFO] [stdout] | [INFO] [stdout] 53 | Out(String), [INFO] [stdout] | --- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Event` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 53 - Out(String), [INFO] [stdout] 53 + Out(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/core.rs:211:47 [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime { [INFO] [stdout] | ^^ the lifetime is named here ------- the same lifetime is hidden 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 `'a` [INFO] [stdout] | [INFO] [stdout] 211 | fn new(name: String, host: String, pool: &'a ThreadPool, config: Config) -> Runtime<'a> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/core.rs:266:28 [INFO] [stdout] | [INFO] [stdout] 266 | pub fn run(self, pool: &ThreadPool) -> Result { [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] 266 | pub fn run(self, pool: &ThreadPool) -> Result, Error> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.96s [INFO] running `Command { std: "docker" "inspect" "a699249fe5deb7cbc78b7b00e51c2aa62b10708437516e524e21e204a1dcd02f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a699249fe5deb7cbc78b7b00e51c2aa62b10708437516e524e21e204a1dcd02f", kill_on_drop: false }` [INFO] [stdout] a699249fe5deb7cbc78b7b00e51c2aa62b10708437516e524e21e204a1dcd02f