[INFO] fetching crate cproxy 4.1.6...
[INFO] testing cproxy-4.1.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cproxy 4.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate cproxy 4.1.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cproxy 4.1.6
[INFO] finished tweaking crates.io crate cproxy 4.1.6
[INFO] tweaked toml for crates.io crate cproxy 4.1.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate cproxy 4.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cmd_lib_macros v1.3.0
[INFO] [stderr]   Downloaded cmd_lib v1.3.0
[INFO] [stderr]   Downloaded cgroups-rs v0.2.6
[INFO] [stderr]   Downloaded with_drop v0.0.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff06d152102c1532595f7239999de324960a40e0bea962e21a970093b7bee07d
[INFO] running `Command { std: "docker" "start" "-a" "ff06d152102c1532595f7239999de324960a40e0bea962e21a970093b7bee07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff06d152102c1532595f7239999de324960a40e0bea962e21a970093b7bee07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff06d152102c1532595f7239999de324960a40e0bea962e21a970093b7bee07d", kill_on_drop: false }`
[INFO] [stdout] ff06d152102c1532595f7239999de324960a40e0bea962e21a970093b7bee07d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a68d0fdc3c6fe1fc94441039f8078a30067fc17c45b91e5cae56d2ed4c1f052d
[INFO] running `Command { std: "docker" "start" "-a" "a68d0fdc3c6fe1fc94441039f8078a30067fc17c45b91e5cae56d2ed4c1f052d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling with_drop v0.0.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_pipe v0.9.2
[INFO] [stderr]    Compiling faccess v0.2.3
[INFO] [stderr]    Compiling nix v0.23.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling cgroups-rs v0.2.6
[INFO] [stderr]    Compiling ctrlc v3.2.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling cmd_lib_macros v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling cmd_lib v1.3.0
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling flume v0.10.9
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling tracing-subscriber v0.3.0
[INFO] [stderr]    Compiling cproxy v4.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prerouting_chain_name`
[INFO] [stdout]    --> src/guards.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let prerouting_chain_name = &self.prerouting_chain_name;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prerouting_chain_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stdout]    --> src/guards.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |     inner: Box<dyn Drop>,
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dyn_drop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stdout]   --> src/main.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let _guard: Box<dyn Drop> = match args.mode.as_str() {
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stdout]    --> src/main.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let _guard: Box<dyn Drop> = match args.mode.as_str() {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.09s
[INFO] running `Command { std: "docker" "inspect" "a68d0fdc3c6fe1fc94441039f8078a30067fc17c45b91e5cae56d2ed4c1f052d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a68d0fdc3c6fe1fc94441039f8078a30067fc17c45b91e5cae56d2ed4c1f052d", kill_on_drop: false }`
[INFO] [stdout] a68d0fdc3c6fe1fc94441039f8078a30067fc17c45b91e5cae56d2ed4c1f052d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5625be8f2d9536906c52195e5b4d8ee7ee9a5bde8879d546b299900a59453149
[INFO] running `Command { std: "docker" "start" "-a" "5625be8f2d9536906c52195e5b4d8ee7ee9a5bde8879d546b299900a59453149", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cproxy v4.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `prerouting_chain_name`
[INFO] [stdout]    --> src/guards.rs:313:13
[INFO] [stdout]     |
[INFO] [stdout] 313 |         let prerouting_chain_name = &self.prerouting_chain_name;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prerouting_chain_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stdout]    --> src/guards.rs:121:20
[INFO] [stdout]     |
[INFO] [stdout] 121 |     inner: Box<dyn Drop>,
[INFO] [stdout]     |                    ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dyn_drop)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stdout]   --> src/main.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let _guard: Box<dyn Drop> = match args.mode.as_str() {
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stdout]    --> src/main.rs:105:25
[INFO] [stdout]     |
[INFO] [stdout] 105 |     let _guard: Box<dyn Drop> = match args.mode.as_str() {
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "5625be8f2d9536906c52195e5b4d8ee7ee9a5bde8879d546b299900a59453149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5625be8f2d9536906c52195e5b4d8ee7ee9a5bde8879d546b299900a59453149", kill_on_drop: false }`
[INFO] [stdout] 5625be8f2d9536906c52195e5b4d8ee7ee9a5bde8879d546b299900a59453149
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cef0c5f06fbffecab1511906ada541bf233c6517d6e4dd5edbe2cfc0cb52c6f7
[INFO] running `Command { std: "docker" "start" "-a" "cef0c5f06fbffecab1511906ada541bf233c6517d6e4dd5edbe2cfc0cb52c6f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `prerouting_chain_name`
[INFO] [stderr]    --> src/guards.rs:313:13
[INFO] [stderr]     |
[INFO] [stderr] 313 |         let prerouting_chain_name = &self.prerouting_chain_name;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prerouting_chain_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stderr]    --> src/guards.rs:121:20
[INFO] [stderr]     |
[INFO] [stderr] 121 |     inner: Box<dyn Drop>,
[INFO] [stderr]     |                    ^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dyn_drop)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stderr]   --> src/main.rs:50:25
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let _guard: Box<dyn Drop> = match args.mode.as_str() {
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: types that do not implement `Drop` can still have drop glue, consider instead using `std::mem::needs_drop` to detect whether a type is trivially dropped
[INFO] [stderr]    --> src/main.rs:105:25
[INFO] [stderr]     |
[INFO] [stderr] 105 |     let _guard: Box<dyn Drop> = match args.mode.as_str() {
[INFO] [stderr]     |                         ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cproxy` (bin "cproxy" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cproxy-fc604b2ba8a9986c)
[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" "cef0c5f06fbffecab1511906ada541bf233c6517d6e4dd5edbe2cfc0cb52c6f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cef0c5f06fbffecab1511906ada541bf233c6517d6e4dd5edbe2cfc0cb52c6f7", kill_on_drop: false }`
[INFO] [stdout] cef0c5f06fbffecab1511906ada541bf233c6517d6e4dd5edbe2cfc0cb52c6f7