[INFO] fetching crate gvec 0.5.0...
[INFO] checking gvec-0.5.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate gvec 0.5.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate gvec 0.5.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gvec 0.5.0
[INFO] finished tweaking crates.io crate gvec 0.5.0
[INFO] tweaked toml for crates.io crate gvec 0.5.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 606271fa0c2210816d7e0a8f155c69e8c13f55ce99c28d125e8ca3a964f3d808
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "606271fa0c2210816d7e0a8f155c69e8c13f55ce99c28d125e8ca3a964f3d808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "606271fa0c2210816d7e0a8f155c69e8c13f55ce99c28d125e8ca3a964f3d808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606271fa0c2210816d7e0a8f155c69e8c13f55ce99c28d125e8ca3a964f3d808", kill_on_drop: false }`
[INFO] [stdout] 606271fa0c2210816d7e0a8f155c69e8c13f55ce99c28d125e8ca3a964f3d808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84e735c47f18eecbe1b2c8f5b7e5694118bad0cf098c38e53c62930ea5a0c611
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "84e735c47f18eecbe1b2c8f5b7e5694118bad0cf098c38e53c62930ea5a0c611", kill_on_drop: false }`
[INFO] [stderr]     Checking gvec v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dense.rs:149:20
[INFO] [stdout]     |
[INFO] [stdout] 149 |               panic!(format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 150 | |                 "Generation does not match!
[INFO] [stdout] 151 | |                 Index generation: \u{1b}[38:5:1m{}
[INFO] [stdout] 152 | |                 Current generation: \u{1b}[38:5:4m{}\n",
[INFO] [stdout] 153 | |                 index.generation(),
[INFO] [stdout] 154 | |                 self.generations[&index.index()]
[INFO] [stdout] 155 | |             ))
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 149 |             panic!(
[INFO] [stdout] 150 |                 "Generation does not match!
[INFO] [stdout] 151 |                 Index generation: \u{1b}[38:5:1m{}
[INFO] [stdout] 152 |                 Current generation: \u{1b}[38:5:4m{}\n",
[INFO] [stdout] 153 |                 index.generation(),
[INFO] [stdout] 154 |                 self.generations[&index.index()]
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/dense.rs:149:20
[INFO] [stdout]     |
[INFO] [stdout] 149 |               panic!(format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 150 | |                 "Generation does not match!
[INFO] [stdout] 151 | |                 Index generation: \u{1b}[38:5:1m{}
[INFO] [stdout] 152 | |                 Current generation: \u{1b}[38:5:4m{}\n",
[INFO] [stdout] 153 | |                 index.generation(),
[INFO] [stdout] 154 | |                 self.generations[&index.index()]
[INFO] [stdout] 155 | |             ))
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 149 |             panic!(
[INFO] [stdout] 150 |                 "Generation does not match!
[INFO] [stdout] 151 |                 Index generation: \u{1b}[38:5:1m{}
[INFO] [stdout] 152 |                 Current generation: \u{1b}[38:5:4m{}\n",
[INFO] [stdout] 153 |                 index.generation(),
[INFO] [stdout] 154 |                 self.generations[&index.index()]
[INFO] [stdout]   ...
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "84e735c47f18eecbe1b2c8f5b7e5694118bad0cf098c38e53c62930ea5a0c611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84e735c47f18eecbe1b2c8f5b7e5694118bad0cf098c38e53c62930ea5a0c611", kill_on_drop: false }`
[INFO] [stdout] 84e735c47f18eecbe1b2c8f5b7e5694118bad0cf098c38e53c62930ea5a0c611