[INFO] crate fly 0.2.0 is already in cache
[INFO] extracting crate fly 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/fly/0.2.0
[INFO] extracting crate fly 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fly/0.2.0
[INFO] validating manifest of fly-0.2.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of fly-0.2.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing fly-0.2.0
[INFO] finished frobbing fly-0.2.0
[INFO] frobbed toml for fly-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fly/0.2.0/Cargo.toml
[INFO] started frobbing fly-0.2.0
[INFO] finished frobbing fly-0.2.0
[INFO] frobbed toml for fly-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fly/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing fly-0.2.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fly/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] f820584a35585c9bbd12895b962f1c95e5c1ca0fc9002e3a3c9284fd05c41020
[INFO] running `"docker" "start" "-a" "f820584a35585c9bbd12895b962f1c95e5c1ca0fc9002e3a3c9284fd05c41020"`
[INFO] [stderr]    Compiling fly v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/set.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/gcounter.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |         for (k, v) in self.data.iter() {
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_k`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]  --> src/counter.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stderr]   |                        ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta`
[INFO] [stderr]  --> src/counter.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stderr]   |                                 ^^^^^ help: consider prefixing with an underscore: `_delta`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/pncounter.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new() -> PnCounter<N> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_gcounter`
[INFO] [stderr]   --> src/pncounter.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn to_gcounter(&self) -> GCounter<N> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `"docker" "inspect" "f820584a35585c9bbd12895b962f1c95e5c1ca0fc9002e3a3c9284fd05c41020"`
[INFO] running `"docker" "rm" "-f" "f820584a35585c9bbd12895b962f1c95e5c1ca0fc9002e3a3c9284fd05c41020"`
[INFO] [stdout] f820584a35585c9bbd12895b962f1c95e5c1ca0fc9002e3a3c9284fd05c41020
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fly/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8de52bffd179a8b567c92563f4090c3e30748a3405bad05435d99549abd8b18c
[INFO] running `"docker" "start" "-a" "8de52bffd179a8b567c92563f4090c3e30748a3405bad05435d99549abd8b18c"`
[INFO] [stderr]    Compiling fly v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `gcounter::GCounter`
[INFO] [stderr]   --> src/pncounter.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |     use gcounter::GCounter;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stderr]  --> src/set.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::Debug;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/lib.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 20 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/gcounter.rs:34:14
[INFO] [stderr]    |
[INFO] [stderr] 34 |         for (k, v) in self.data.iter() {
[INFO] [stderr]    |              ^ help: consider prefixing with an underscore: `_k`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]  --> src/counter.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stderr]   |                        ^^^^ help: consider prefixing with an underscore: `_node`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `delta`
[INFO] [stderr]  --> src/counter.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stderr]   |                                 ^^^^^ help: consider prefixing with an underscore: `_delta`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `"docker" "inspect" "8de52bffd179a8b567c92563f4090c3e30748a3405bad05435d99549abd8b18c"`
[INFO] running `"docker" "rm" "-f" "8de52bffd179a8b567c92563f4090c3e30748a3405bad05435d99549abd8b18c"`
[INFO] [stdout] 8de52bffd179a8b567c92563f4090c3e30748a3405bad05435d99549abd8b18c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fly/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 04023b6cd00a4b21cc66312da2820969655db43bf75ff654f7a5041ad7813116
[INFO] running `"docker" "start" "-a" "04023b6cd00a4b21cc66312da2820969655db43bf75ff654f7a5041ad7813116"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fly-8f746e0a3d370317
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test gcounter::tests::merge_g_counter_conflict ... ok
[INFO] [stdout] test gcounter::tests::merge_g_counter ... ok
[INFO] [stdout] test gcounter::tests::set_g_counter ... ok
[INFO] [stdout] test pncounter::tests::merge ... ok
[INFO] [stdout] test pncounter::tests::get_val ... ok
[INFO] [stdout] test pncounter::tests::merge_and_get_gcounter ... ok
[INFO] [stdout] test set::tests::merge_gset ... ok
[INFO] [stdout] test pncounter::tests::merge_and_get_value ... ok
[INFO] [stdout] test set::tests::merge_twopset_remove_add ... ok
[INFO] [stdout] test gcounter::tests::incr_g_counter ... ok
[INFO] [stdout] test set::tests::merge_twopset_remove_priority ... ok
[INFO] [stdout] test gcounter::tests::value ... ok
[INFO] [stdout] test set::tests::merge_twopset ... ok
[INFO] [stdout] test gcounter::tests::decr_g_counter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fly
[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 `"docker" "inspect" "04023b6cd00a4b21cc66312da2820969655db43bf75ff654f7a5041ad7813116"`
[INFO] running `"docker" "rm" "-f" "04023b6cd00a4b21cc66312da2820969655db43bf75ff654f7a5041ad7813116"`
[INFO] [stdout] 04023b6cd00a4b21cc66312da2820969655db43bf75ff654f7a5041ad7813116