[INFO] fetching crate priority-matrix 0.2.0...
[INFO] building priority-matrix-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate priority-matrix 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate priority-matrix 0.2.0
[INFO] finished tweaking crates.io crate priority-matrix 0.2.0
[INFO] tweaked toml for crates.io crate priority-matrix 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate priority-matrix 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate priority-matrix 0.2.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74308dd1cc002783082a12c74888d5b526e56cb579669b1c2eba6db254dcf81c
[INFO] running `Command { std: "docker" "start" "-a" "74308dd1cc002783082a12c74888d5b526e56cb579669b1c2eba6db254dcf81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74308dd1cc002783082a12c74888d5b526e56cb579669b1c2eba6db254dcf81c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74308dd1cc002783082a12c74888d5b526e56cb579669b1c2eba6db254dcf81c", kill_on_drop: false }`
[INFO] [stdout] 74308dd1cc002783082a12c74888d5b526e56cb579669b1c2eba6db254dcf81c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf2908658dab2669def351a85a268f78752428b324820be986da024196ba5a40
[INFO] running `Command { std: "docker" "start" "-a" "bf2908658dab2669def351a85a268f78752428b324820be986da024196ba5a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling priority-queue v1.3.1
[INFO] [stderr]    Compiling priority-matrix v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:94:76
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'_, R, C, W>> {
[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] 94 -     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'_, R, C, W>> {
[INFO] [stdout] 94 +     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'a, R, C, W>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "bf2908658dab2669def351a85a268f78752428b324820be986da024196ba5a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf2908658dab2669def351a85a268f78752428b324820be986da024196ba5a40", kill_on_drop: false }`
[INFO] [stdout] bf2908658dab2669def351a85a268f78752428b324820be986da024196ba5a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4a04f2bac06683bad816d6db1516ba551e310ddeda215aee0932dadb3fa1e02
[INFO] running `Command { std: "docker" "start" "-a" "d4a04f2bac06683bad816d6db1516ba551e310ddeda215aee0932dadb3fa1e02", kill_on_drop: false }`
[INFO] [stderr]    Compiling priority-matrix v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:94:76
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'_, R, C, W>> {
[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] 94 -     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'_, R, C, W>> {
[INFO] [stdout] 94 +     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'a, R, C, W>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:94:76
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'_, R, C, W>> {
[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] 94 -     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'_, R, C, W>> {
[INFO] [stdout] 94 +     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'a, R, C, W>> {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "d4a04f2bac06683bad816d6db1516ba551e310ddeda215aee0932dadb3fa1e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a04f2bac06683bad816d6db1516ba551e310ddeda215aee0932dadb3fa1e02", kill_on_drop: false }`
[INFO] [stdout] d4a04f2bac06683bad816d6db1516ba551e310ddeda215aee0932dadb3fa1e02