[INFO] fetching crate cproxy 4.1.3...
[INFO] testing cproxy-4.1.3 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate cproxy 4.1.3 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate cproxy 4.1.3 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 cproxy 4.1.3
[INFO] finished tweaking crates.io crate cproxy 4.1.3
[INFO] tweaked toml for crates.io crate cproxy 4.1.3 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate crates.io crate cproxy 4.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] [stdout] 5a8f45478bbcbe51baca30f9bd78bd123bc261b30404d600acda31f07cdec7cf
[INFO] running `Command { std: "docker" "start" "-a" "5a8f45478bbcbe51baca30f9bd78bd123bc261b30404d600acda31f07cdec7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a8f45478bbcbe51baca30f9bd78bd123bc261b30404d600acda31f07cdec7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a8f45478bbcbe51baca30f9bd78bd123bc261b30404d600acda31f07cdec7cf", kill_on_drop: false }`
[INFO] [stdout] 5a8f45478bbcbe51baca30f9bd78bd123bc261b30404d600acda31f07cdec7cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] [stdout] b58e2c7a388ffbbc66fb12f349a5f2c959b929748d11d1972e4cfd5075667a14
[INFO] running `Command { std: "docker" "start" "-a" "b58e2c7a388ffbbc66fb12f349a5f2c959b929748d11d1972e4cfd5075667a14", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling with_drop v0.0.1
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling spinning_top v0.2.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling cgroups-rs v0.2.5
[INFO] [stderr]    Compiling ctrlc v3.1.8
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.13
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling cmd_lib_macros v0.11.6
[INFO] [stderr]    Compiling cmd_lib v0.11.6
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling flume v0.10.3
[INFO] [stderr]    Compiling tracing-subscriber v0.2.16
[INFO] [stderr]    Compiling cproxy v4.1.3 (/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 27.37s
[INFO] running `Command { std: "docker" "inspect" "b58e2c7a388ffbbc66fb12f349a5f2c959b929748d11d1972e4cfd5075667a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b58e2c7a388ffbbc66fb12f349a5f2c959b929748d11d1972e4cfd5075667a14", kill_on_drop: false }`
[INFO] [stdout] b58e2c7a388ffbbc66fb12f349a5f2c959b929748d11d1972e4cfd5075667a14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] fbfc880765bc982ad9667595f37f4094b90d0db2774e4a174a6105b467aaee8a
[INFO] running `Command { std: "docker" "start" "-a" "fbfc880765bc982ad9667595f37f4094b90d0db2774e4a174a6105b467aaee8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cproxy v4.1.3 (/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 2.02s
[INFO] running `Command { std: "docker" "inspect" "fbfc880765bc982ad9667595f37f4094b90d0db2774e4a174a6105b467aaee8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbfc880765bc982ad9667595f37f4094b90d0db2774e4a174a6105b467aaee8a", kill_on_drop: false }`
[INFO] [stdout] fbfc880765bc982ad9667595f37f4094b90d0db2774e4a174a6105b467aaee8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 8da76fa74536b883b71224eb71244be705626a844cef0057853b30c2077a4fd7
[INFO] running `Command { std: "docker" "start" "-a" "8da76fa74536b883b71224eb71244be705626a844cef0057853b30c2077a4fd7", 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 0.29s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cproxy-19ddbf7ee975ad22)
[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" "8da76fa74536b883b71224eb71244be705626a844cef0057853b30c2077a4fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da76fa74536b883b71224eb71244be705626a844cef0057853b30c2077a4fd7", kill_on_drop: false }`
[INFO] [stdout] 8da76fa74536b883b71224eb71244be705626a844cef0057853b30c2077a4fd7
