[INFO] fetching crate blip 0.3.0...
[INFO] checking blip-0.3.0 against try#ad93f57d532978d6739002a21bc66b45ed22f998 for pr-155418
[INFO] extracting crate blip 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate blip 0.3.0
[INFO] finished tweaking crates.io crate blip 0.3.0
[INFO] tweaked toml for crates.io crate blip 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blip 0.3.0 on toolchain ad93f57d532978d6739002a21bc66b45ed22f998
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 229 packages to latest compatible versions
[INFO] [stderr]       Adding http v0.2.12 (available: v1.4.0)
[INFO] [stderr]       Adding http-body v0.4.6 (available: v1.0.1)
[INFO] [stderr]       Adding prost v0.10.4 (available: v0.14.3)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] [stderr]       Adding tonic v0.7.2 (available: v0.14.5)
[INFO] [stderr]       Adding tonic-build v0.7.2 (available: v0.14.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad93f57d532978d6739002a21bc66b45ed22f998" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2b39c5bb31a0321a3989d886f7e5d8c59b849c55571a2c5ccbde1e23077a95b
[INFO] running `Command { std: "docker" "start" "-a" "e2b39c5bb31a0321a3989d886f7e5d8c59b849c55571a2c5ccbde1e23077a95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2b39c5bb31a0321a3989d886f7e5d8c59b849c55571a2c5ccbde1e23077a95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b39c5bb31a0321a3989d886f7e5d8c59b849c55571a2c5ccbde1e23077a95b", kill_on_drop: false }`
[INFO] [stdout] e2b39c5bb31a0321a3989d886f7e5d8c59b849c55571a2c5ccbde1e23077a95b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ad93f57d532978d6739002a21bc66b45ed22f998" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03331044d4949db14b7e0ba842371a658e01a2f6e63e1013f1b06e09a18299de
[INFO] running `Command { std: "docker" "start" "-a" "03331044d4949db14b7e0ba842371a658e01a2f6e63e1013f1b06e09a18299de", kill_on_drop: false }`
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[INFO] [stderr]    Compiling blip v0.3.0 (/opt/rustwide/workdir)
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[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/cluster/mod.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | use log::{error, info, warn};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error`
[INFO] [stdout]   --> src/cluster/mod.rs:31:11
[INFO] [stdout]    |
[INFO] [stdout] 31 | use log::{error, info, warn};
[INFO] [stdout]    |           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/collections/tumbler.rs:237:84
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn predecessors<'a>(&'a self, e: &'a T) -> impl DoubleEndedIterator<Item = &T> {
[INFO] [stdout]     |                              --           -- the lifetime is named here            ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is named 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] 237 |     pub fn predecessors<'a>(&'a self, e: &'a T) -> impl DoubleEndedIterator<Item = &'a T> {
[INFO] [stdout]     |                                                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/collections/tumbler.rs:263:82
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn successors<'a>(&'a self, e: &'a T) -> impl DoubleEndedIterator<Item = &T> {
[INFO] [stdout]     |                            --           -- the lifetime is named here            ^^ the same lifetime is elided here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn successors<'a>(&'a self, e: &'a T) -> impl DoubleEndedIterator<Item = &'a T> {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/collections/tumbler.rs:237:84
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn predecessors<'a>(&'a self, e: &'a T) -> impl DoubleEndedIterator<Item = &T> {
[INFO] [stdout]     |                              --           -- the lifetime is named here            ^^ the same lifetime is elided here
[INFO] [stdout]     |                              |
[INFO] [stdout]     |                              the lifetime is named 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] 237 |     pub fn predecessors<'a>(&'a self, e: &'a T) -> impl DoubleEndedIterator<Item = &'a T> {
[INFO] [stdout]     |                                                                                     ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]    --> src/collections/tumbler.rs:263:82
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn successors<'a>(&'a self, e: &'a T) -> impl DoubleEndedIterator<Item = &T> {
[INFO] [stdout]     |                            --           -- the lifetime is named here            ^^ the same lifetime is elided here
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            the lifetime is named here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]     |
[INFO] [stdout] 263 |     pub fn successors<'a>(&'a self, e: &'a T) -> impl DoubleEndedIterator<Item = &'a T> {
[INFO] [stdout]     |                                                                                   ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 19s
[INFO] running `Command { std: "docker" "inspect" "03331044d4949db14b7e0ba842371a658e01a2f6e63e1013f1b06e09a18299de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03331044d4949db14b7e0ba842371a658e01a2f6e63e1013f1b06e09a18299de", kill_on_drop: false }`
[INFO] [stdout] 03331044d4949db14b7e0ba842371a658e01a2f6e63e1013f1b06e09a18299de