[INFO] cloning repository atneit/ss-ntru-pke-attack-simulation
[INFO] running `"git" "clone" "--bare" "git://github.com/atneit/ss-ntru-pke-attack-simulation.git" "work/cache/sources/gh/atneit/ss-ntru-pke-attack-simulation"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/atneit/ss-ntru-pke-attack-simulation'...
[INFO] running `"git" "clone" "work/cache/sources/gh/atneit/ss-ntru-pke-attack-simulation" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/atneit/ss-ntru-pke-attack-simulation"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/atneit/ss-ntru-pke-attack-simulation'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/atneit/ss-ntru-pke-attack-simulation" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/atneit/ss-ntru-pke-attack-simulation"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/atneit/ss-ntru-pke-attack-simulation'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 75b11a4f87b20f5b7b013a28bed5f72fd7a9ebff
[INFO] sha for GitHub repo atneit/ss-ntru-pke-attack-simulation: 75b11a4f87b20f5b7b013a28bed5f72fd7a9ebff
[INFO] validating manifest of atneit/ss-ntru-pke-attack-simulation on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of atneit/ss-ntru-pke-attack-simulation on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing atneit/ss-ntru-pke-attack-simulation
[INFO] finished frobbing atneit/ss-ntru-pke-attack-simulation
[INFO] frobbed toml for atneit/ss-ntru-pke-attack-simulation written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/atneit/ss-ntru-pke-attack-simulation/Cargo.toml
[INFO] started frobbing atneit/ss-ntru-pke-attack-simulation
[INFO] finished frobbing atneit/ss-ntru-pke-attack-simulation
[INFO] frobbed toml for atneit/ss-ntru-pke-attack-simulation written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/atneit/ss-ntru-pke-attack-simulation/Cargo.toml
[INFO] crate atneit/ss-ntru-pke-attack-simulation already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking atneit/ss-ntru-pke-attack-simulation against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-2/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/atneit/ss-ntru-pke-attack-simulation:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 17f60ffe9fd29e2afddc3ab2d3b750457237ae93a183b3fe6cc68ed5341e152d
[INFO] running `"docker" "start" "-a" "17f60ffe9fd29e2afddc3ab2d3b750457237ae93a183b3fe6cc68ed5341e152d"`
[INFO] [stderr]     Checking svg v0.5.11
[INFO] [stderr]     Checking gag v0.1.10
[INFO] [stderr]     Checking ctrlc v3.1.1
[INFO] [stderr]    Compiling syn v0.14.8
[INFO] [stderr]    Compiling syn v0.15.4
[INFO] [stderr]     Checking plotlib v0.3.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking ss-ntru-pke-attack-simulation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |             BenchCommand::FindFG(mut opt) => {
[INFO] [stderr]    |                                  ----^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:34
[INFO] [stderr]    |
[INFO] [stderr] 39 |             BenchCommand::FindFG(mut opt) => {
[INFO] [stderr]    |                                  ----^^^
[INFO] [stderr]    |                                  |
[INFO] [stderr]    |                                  help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/recovkey/processfindfg.rs:320:17
[INFO] [stderr]     |
[INFO] [stderr] 320 |                 writeln!(file, "  {} {}", s, rate);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/recovkey/processfindfg.rs:331:17
[INFO] [stderr]     |
[INFO] [stderr] 331 |                 writeln!(file, "  {} {}", neg_log2(failure_rate), rates[i].1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/recovkey/processfindfg.rs:343:17
[INFO] [stderr]     |
[INFO] [stderr] 343 |                 writeln!(file, "  {} {} {}", lograte, s, rate);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/recovkey/processfindfg.rs:345:13
[INFO] [stderr]     |
[INFO] [stderr] 345 |             writeln!(file, "");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/recovkey/processfindfg.rs:320:17
[INFO] [stderr]     |
[INFO] [stderr] 320 |                 writeln!(file, "  {} {}", s, rate);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/recovkey/processfindfg.rs:331:17
[INFO] [stderr]     |
[INFO] [stderr] 331 |                 writeln!(file, "  {} {}", neg_log2(failure_rate), rates[i].1);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/recovkey/processfindfg.rs:343:17
[INFO] [stderr]     |
[INFO] [stderr] 343 |                 writeln!(file, "  {} {} {}", lograte, s, rate);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/recovkey/processfindfg.rs:345:13
[INFO] [stderr]     |
[INFO] [stderr] 345 |             writeln!(file, "");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.70s
[INFO] running `"docker" "inspect" "17f60ffe9fd29e2afddc3ab2d3b750457237ae93a183b3fe6cc68ed5341e152d"`
[INFO] running `"docker" "rm" "-f" "17f60ffe9fd29e2afddc3ab2d3b750457237ae93a183b3fe6cc68ed5341e152d"`
[INFO] [stdout] 17f60ffe9fd29e2afddc3ab2d3b750457237ae93a183b3fe6cc68ed5341e152d