[INFO] fetching crate fly 0.2.0...
[INFO] testing fly-0.2.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate fly 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate fly 0.2.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fly 0.2.0
[INFO] finished tweaking crates.io crate fly 0.2.0
[INFO] tweaked toml for crates.io crate fly 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2402d85b75ebf2505376a10bc601d7a1f095f4cdc6242aef163169e30abdd1cc
[INFO] running `Command { std: "docker" "start" "-a" "2402d85b75ebf2505376a10bc601d7a1f095f4cdc6242aef163169e30abdd1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2402d85b75ebf2505376a10bc601d7a1f095f4cdc6242aef163169e30abdd1cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2402d85b75ebf2505376a10bc601d7a1f095f4cdc6242aef163169e30abdd1cc", kill_on_drop: false }`
[INFO] [stdout] 2402d85b75ebf2505376a10bc601d7a1f095f4cdc6242aef163169e30abdd1cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ad8e6f256c51303da4ba55c9b84f67ac519865eb0ae295616bc376716a78f9e
[INFO] running `Command { std: "docker" "start" "-a" "0ad8e6f256c51303da4ba55c9b84f67ac519865eb0ae295616bc376716a78f9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fly v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/set.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/gcounter.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for (k, v) in self.data.iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]  --> src/counter.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]  --> src/counter.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stdout]   |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/pncounter.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> PnCounter<N> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_gcounter`
[INFO] [stdout]   --> src/pncounter.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn to_gcounter(&self) -> GCounter<N> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "0ad8e6f256c51303da4ba55c9b84f67ac519865eb0ae295616bc376716a78f9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ad8e6f256c51303da4ba55c9b84f67ac519865eb0ae295616bc376716a78f9e", kill_on_drop: false }`
[INFO] [stdout] 0ad8e6f256c51303da4ba55c9b84f67ac519865eb0ae295616bc376716a78f9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 910a31dca2af7159cd3e4761178ddc77f6d0191254c0ed89cc02ceba0a2b744d
[INFO] running `Command { std: "docker" "start" "-a" "910a31dca2af7159cd3e4761178ddc77f6d0191254c0ed89cc02ceba0a2b744d", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/set.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fly v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/gcounter.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for (k, v) in self.data.iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]  --> src/counter.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]  --> src/counter.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stdout]   |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/pncounter.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub fn new() -> PnCounter<N> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_gcounter`
[INFO] [stdout]   --> src/pncounter.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn to_gcounter(&self) -> GCounter<N> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gcounter::GCounter`
[INFO] [stdout]   --> src/pncounter.rs:73:9
[INFO] [stdout]    |
[INFO] [stdout] 73 |     use gcounter::GCounter;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::Debug`
[INFO] [stdout]  --> src/set.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::Debug;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> src/lib.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     use super::*;
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]   --> src/lib.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | mod tests {
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/gcounter.rs:34:14
[INFO] [stdout]    |
[INFO] [stdout] 34 |         for (k, v) in self.data.iter() {
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]  --> src/counter.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stdout]   |                        ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `delta`
[INFO] [stdout]  --> src/counter.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fn decr(&mut self, node: N, delta: u64) {
[INFO] [stdout]   |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "910a31dca2af7159cd3e4761178ddc77f6d0191254c0ed89cc02ceba0a2b744d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910a31dca2af7159cd3e4761178ddc77f6d0191254c0ed89cc02ceba0a2b744d", kill_on_drop: false }`
[INFO] [stdout] 910a31dca2af7159cd3e4761178ddc77f6d0191254c0ed89cc02ceba0a2b744d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78f4fce45963c47988f0e6a4175ebc27ad5fbada1adeb06ceca26f33622e632e
[INFO] running `Command { std: "docker" "start" "-a" "78f4fce45963c47988f0e6a4175ebc27ad5fbada1adeb06ceca26f33622e632e", kill_on_drop: false }`
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it with an underscore: `_delta`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/pncounter.rs:14:12
[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: associated function is never used: `to_gcounter`
[INFO] [stderr]   --> src/pncounter.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn to_gcounter(&self) -> GCounter<N> {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fly` (lib) generated 6 warnings
[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] help: consider adding a `#[cfg(test)]` to the containing module
[INFO] [stderr]   --> src/lib.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | mod tests {
[INFO] [stderr]    | ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fly` (lib test) generated 6 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fly-f4cb49b895a25009)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test gcounter::tests::incr_g_counter ... ok
[INFO] [stdout] test gcounter::tests::merge_g_counter ... ok
[INFO] [stdout] test gcounter::tests::merge_g_counter_conflict ... ok
[INFO] [stdout] test gcounter::tests::set_g_counter ... ok
[INFO] [stdout] test gcounter::tests::value ... ok
[INFO] [stdout] test pncounter::tests::get_val ... ok
[INFO] [stdout] test pncounter::tests::merge ... ok
[INFO] [stdout] test pncounter::tests::merge_and_get_gcounter ... ok
[INFO] [stdout] test pncounter::tests::merge_and_get_value ... ok
[INFO] [stdout] test set::tests::merge_gset ... ok
[INFO] [stdout] test set::tests::merge_twopset ... ok
[INFO] [stdout] test set::tests::merge_twopset_remove_add ... ok
[INFO] [stdout] test set::tests::merge_twopset_remove_priority ... ok
[INFO] [stdout] test gcounter::tests::decr_g_counter - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78f4fce45963c47988f0e6a4175ebc27ad5fbada1adeb06ceca26f33622e632e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f4fce45963c47988f0e6a4175ebc27ad5fbada1adeb06ceca26f33622e632e", kill_on_drop: false }`
[INFO] [stdout] 78f4fce45963c47988f0e6a4175ebc27ad5fbada1adeb06ceca26f33622e632e