[INFO] cloning repository https://github.com/jerry-yu/threshold_signature
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jerry-yu/threshold_signature" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerry-yu%2Fthreshold_signature", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerry-yu%2Fthreshold_signature'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3a23e32e64991f19168d1a1a98cbd55443e1e5f
[INFO] testing jerry-yu/threshold_signature against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjerry-yu%2Fthreshold_signature" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jerry-yu/threshold_signature on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jerry-yu/threshold_signature
[INFO] finished tweaking git repo https://github.com/jerry-yu/threshold_signature
[INFO] tweaked toml for git repo https://github.com/jerry-yu/threshold_signature written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jerry-yu/threshold_signature already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 5f14537eb40064cb424e45d59782f98dbffeccce015d2adf2821007df8452e81
[INFO] running `Command { std: "docker" "start" "-a" "5f14537eb40064cb424e45d59782f98dbffeccce015d2adf2821007df8452e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f14537eb40064cb424e45d59782f98dbffeccce015d2adf2821007df8452e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f14537eb40064cb424e45d59782f98dbffeccce015d2adf2821007df8452e81", kill_on_drop: false }`
[INFO] [stdout] 5f14537eb40064cb424e45d59782f98dbffeccce015d2adf2821007df8452e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67f6dc378d749d1c65ab874bd3c9bc13a9860fa1774a595068422c06e220e60e
[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" "67f6dc378d749d1c65ab874bd3c9bc13a9860fa1774a595068422c06e220e60e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling bn v0.4.3
[INFO] [stderr]    Compiling threshold-signature v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/user.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let rng = &mut ::rand::thread_rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut stime = Instant::now();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]   --> src/main.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 stime = Instant::now();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]   --> src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 stime = Instant::now();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]   --> src/main.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             stime = Instant::now();
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]    --> src/main.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 stime = Instant::now();
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         stime = Instant::now();
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "67f6dc378d749d1c65ab874bd3c9bc13a9860fa1774a595068422c06e220e60e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f6dc378d749d1c65ab874bd3c9bc13a9860fa1774a595068422c06e220e60e", kill_on_drop: false }`
[INFO] [stdout] 67f6dc378d749d1c65ab874bd3c9bc13a9860fa1774a595068422c06e220e60e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b926a6f88d65dac373b6b2a52c30f1bda36e1e20476513031e035ea3b38681a
[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" "7b926a6f88d65dac373b6b2a52c30f1bda36e1e20476513031e035ea3b38681a", kill_on_drop: false }`
[INFO] [stderr]    Compiling threshold-signature v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/user.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let rng = &mut ::rand::thread_rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut stime = Instant::now();
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]   --> src/main.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |                 stime = Instant::now();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]   --> src/main.rs:62:17
[INFO] [stdout]    |
[INFO] [stdout] 62 |                 stime = Instant::now();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]   --> src/main.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |             stime = Instant::now();
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]    --> src/main.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 stime = Instant::now();
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `stime` is never read
[INFO] [stdout]    --> src/main.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 151 |         stime = Instant::now();
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/user.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let rng = &mut ::rand::thread_rng();
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `Command { std: "docker" "inspect" "7b926a6f88d65dac373b6b2a52c30f1bda36e1e20476513031e035ea3b38681a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b926a6f88d65dac373b6b2a52c30f1bda36e1e20476513031e035ea3b38681a", kill_on_drop: false }`
[INFO] [stdout] 7b926a6f88d65dac373b6b2a52c30f1bda36e1e20476513031e035ea3b38681a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c8339e3232898f94d5e251e62376fcce9f12dd8222a5f667f5b48799e0afa1f
[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" "7c8339e3232898f94d5e251e62376fcce9f12dd8222a5f667f5b48799e0afa1f", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/user.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let rng = &mut ::rand::thread_rng();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/user.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let rng = &mut ::rand::thread_rng();
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `stime` is never read
[INFO] [stdout] running 1 test
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 22 |     let mut stime = Instant::now();
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `stime` is never read
[INFO] [stderr]   --> src/main.rs:40:17
[INFO] [stderr]    |
[INFO] [stderr] 40 |                 stime = Instant::now();
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `stime` is never read
[INFO] [stderr]   --> src/main.rs:62:17
[INFO] [stderr]    |
[INFO] [stderr] 62 |                 stime = Instant::now();
[INFO] [stderr]    |                 ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `stime` is never read
[INFO] [stderr]   --> src/main.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             stime = Instant::now();
[INFO] [stderr]    |             ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `stime` is never read
[INFO] [stderr]    --> src/main.rs:103:17
[INFO] [stderr]     |
[INFO] [stderr] 103 |                 stime = Instant::now();
[INFO] [stderr]     |                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `stime` is never read
[INFO] [stderr]    --> src/main.rs:151:9
[INFO] [stderr]     |
[INFO] [stderr] 151 |         stime = Instant::now();
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/threshold_signature-c25a11805b7adb31
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/threshold_signature-95de1f35a9405061
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_for_abel ... ok
[INFO] [stdout] test tests::test_for_pairing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests threshold-signature
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c8339e3232898f94d5e251e62376fcce9f12dd8222a5f667f5b48799e0afa1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c8339e3232898f94d5e251e62376fcce9f12dd8222a5f667f5b48799e0afa1f", kill_on_drop: false }`
[INFO] [stdout] 7c8339e3232898f94d5e251e62376fcce9f12dd8222a5f667f5b48799e0afa1f