[INFO] fetching crate zeropool-bn 0.5.7...
[INFO] checking zeropool-bn-0.5.7 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate zeropool-bn 0.5.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate zeropool-bn 0.5.7 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zeropool-bn 0.5.7
[INFO] finished tweaking crates.io crate zeropool-bn 0.5.7
[INFO] tweaked toml for crates.io crate zeropool-bn 0.5.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate zeropool-bn 0.5.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rustc-hex v2.1.0
[INFO] [stderr]   Downloaded borsh-derive v0.6.2
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.6.2
[INFO] [stderr]   Downloaded borsh-derive-internal v0.6.2
[INFO] [stderr]   Downloaded borsh v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1265d66fd21b2ca90f926a9ed366dddb27e165f284e9fe3cd7646790fc014bc9
[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" "1265d66fd21b2ca90f926a9ed366dddb27e165f284e9fe3cd7646790fc014bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1265d66fd21b2ca90f926a9ed366dddb27e165f284e9fe3cd7646790fc014bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1265d66fd21b2ca90f926a9ed366dddb27e165f284e9fe3cd7646790fc014bc9", kill_on_drop: false }`
[INFO] [stdout] 1265d66fd21b2ca90f926a9ed366dddb27e165f284e9fe3cd7646790fc014bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1240c43834fd0b1361a5ebc76f880bbd20e7ee49084ad9b5a8dec96fada4dfdd
[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" "1240c43834fd0b1361a5ebc76f880bbd20e7ee49084ad9b5a8dec96fada4dfdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[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 v0.5.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_jacobian`
[INFO] [stdout]    --> src/groups/mod.rs:347:12
[INFO] [stdout]     |
[INFO] [stdout] 347 |     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 23.03s
[INFO] running `Command { std: "docker" "inspect" "1240c43834fd0b1361a5ebc76f880bbd20e7ee49084ad9b5a8dec96fada4dfdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1240c43834fd0b1361a5ebc76f880bbd20e7ee49084ad9b5a8dec96fada4dfdd", kill_on_drop: false }`
[INFO] [stdout] 1240c43834fd0b1361a5ebc76f880bbd20e7ee49084ad9b5a8dec96fada4dfdd
