[INFO] fetching crate fly 0.2.0...
[INFO] testing fly-0.2.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate fly 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate fly 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] e2658f0626292c7b8c7e9e6b081b9d11279e9920ce83439fe414c0759d65813b
[INFO] running `Command { std: "docker" "start" "-a" "e2658f0626292c7b8c7e9e6b081b9d11279e9920ce83439fe414c0759d65813b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2658f0626292c7b8c7e9e6b081b9d11279e9920ce83439fe414c0759d65813b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2658f0626292c7b8c7e9e6b081b9d11279e9920ce83439fe414c0759d65813b", kill_on_drop: false }`
[INFO] [stdout] e2658f0626292c7b8c7e9e6b081b9d11279e9920ce83439fe414c0759d65813b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", 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] b4de89e666cbb63237cf94e9a4f3ccf363dc6f98678f9d123f71d6d8717007db
[INFO] running `Command { std: "docker" "start" "-a" "b4de89e666cbb63237cf94e9a4f3ccf363dc6f98678f9d123f71d6d8717007db", 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 0.46s
[INFO] running `Command { std: "docker" "inspect" "b4de89e666cbb63237cf94e9a4f3ccf363dc6f98678f9d123f71d6d8717007db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4de89e666cbb63237cf94e9a4f3ccf363dc6f98678f9d123f71d6d8717007db", kill_on_drop: false }`
[INFO] [stdout] b4de89e666cbb63237cf94e9a4f3ccf363dc6f98678f9d123f71d6d8717007db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77dc5a34f4cc9b7c3597507e43904fe14f649b20be96bfe5a673d3da689389df
[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" "77dc5a34f4cc9b7c3597507e43904fe14f649b20be96bfe5a673d3da689389df", 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] 
[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 1.61s
[INFO] running `Command { std: "docker" "inspect" "77dc5a34f4cc9b7c3597507e43904fe14f649b20be96bfe5a673d3da689389df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77dc5a34f4cc9b7c3597507e43904fe14f649b20be96bfe5a673d3da689389df", kill_on_drop: false }`
[INFO] [stdout] 77dc5a34f4cc9b7c3597507e43904fe14f649b20be96bfe5a673d3da689389df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0d155b78578b449b3664731029044c04eb7643703ab8d9d561945b05e777804
[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" "e0d155b78578b449b3664731029044c04eb7643703ab8d9d561945b05e777804", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `std::fmt::Debug`
[INFO] [stdout] running 14 tests
[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] warning: `fly` (lib test) generated 6 warnings (3 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fly-a74cb5e99fe73d78)
[INFO] [stdout] test gcounter::tests::merge_g_counter ... ok
[INFO] [stdout] test gcounter::tests::incr_g_counter ... ok
[INFO] [stdout] test gcounter::tests::merge_g_counter_conflict ... ok
[INFO] [stdout] test gcounter::tests::value ... ok
[INFO] [stdout] test pncounter::tests::get_val ... ok
[INFO] [stdout] test gcounter::tests::set_g_counter ... ok
[INFO] [stdout] test pncounter::tests::merge_and_get_value ... ok
[INFO] [stdout] test set::tests::merge_twopset_remove_priority ... ok
[INFO] [stdout] test pncounter::tests::merge ... ok
[INFO] [stdout] test set::tests::merge_twopset ... ok
[INFO] [stdout] test set::tests::merge_twopset_remove_add ... ok
[INFO] [stdout] test pncounter::tests::merge_and_get_gcounter ... ok
[INFO] [stdout] test gcounter::tests::decr_g_counter - should panic ... ok
[INFO] [stdout] test set::tests::merge_gset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "e0d155b78578b449b3664731029044c04eb7643703ab8d9d561945b05e777804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d155b78578b449b3664731029044c04eb7643703ab8d9d561945b05e777804", kill_on_drop: false }`
[INFO] [stdout] e0d155b78578b449b3664731029044c04eb7643703ab8d9d561945b05e777804
