[INFO] fetching crate zeropool-bn 0.5.6...
[INFO] checking zeropool-bn-0.5.6 against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] extracting crate zeropool-bn 0.5.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate zeropool-bn 0.5.6 on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zeropool-bn 0.5.6
[INFO] finished tweaking crates.io crate zeropool-bn 0.5.6
[INFO] tweaked toml for crates.io crate zeropool-bn 0.5.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate zeropool-bn 0.5.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bed52b0c4fbb86b84ab9a585f89cf3eacfc15b671b22f46e7c61ec905fc8312
[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" "6bed52b0c4fbb86b84ab9a585f89cf3eacfc15b671b22f46e7c61ec905fc8312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bed52b0c4fbb86b84ab9a585f89cf3eacfc15b671b22f46e7c61ec905fc8312", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bed52b0c4fbb86b84ab9a585f89cf3eacfc15b671b22f46e7c61ec905fc8312", kill_on_drop: false }`
[INFO] [stdout] 6bed52b0c4fbb86b84ab9a585f89cf3eacfc15b671b22f46e7c61ec905fc8312
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4203cb70e5a146246f1bec1c15c46a791ee42090c46fb121dfa4790e625886dd
[INFO] running `Command { std: "docker" "start" "-a" "4203cb70e5a146246f1bec1c15c46a791ee42090c46fb121dfa4790e625886dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.6.2
[INFO] [stderr]    Compiling borsh-derive-internal v0.6.2
[INFO] [stderr]    Compiling borsh-derive v0.6.2
[INFO] [stderr]     Checking borsh v0.6.2
[INFO] [stderr]     Checking zeropool-bn v0.5.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_jacobian`
[INFO] [stdout]    --> src/groups/mod.rs:357:12
[INFO] [stdout]     |
[INFO] [stdout] 357 |     pub fn from_jacobian(p: G<P>) -> Option<Self> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.84s
[INFO] running `Command { std: "docker" "inspect" "4203cb70e5a146246f1bec1c15c46a791ee42090c46fb121dfa4790e625886dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4203cb70e5a146246f1bec1c15c46a791ee42090c46fb121dfa4790e625886dd", kill_on_drop: false }`
[INFO] [stdout] 4203cb70e5a146246f1bec1c15c46a791ee42090c46fb121dfa4790e625886dd