[INFO] fetching crate sacn-unofficial 0.9.0...
[INFO] testing sacn-unofficial-0.9.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate sacn-unofficial 0.9.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sacn-unofficial 0.9.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sacn-unofficial 0.9.0
[INFO] finished tweaking crates.io crate sacn-unofficial 0.9.0
[INFO] tweaked toml for crates.io crate sacn-unofficial 0.9.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f6533e62fbdbd65b5811e893c24bf3421bee43bfe2ca1f3ad9e4cb71044a2b2
[INFO] running `Command { std: "docker" "start" "-a" "5f6533e62fbdbd65b5811e893c24bf3421bee43bfe2ca1f3ad9e4cb71044a2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f6533e62fbdbd65b5811e893c24bf3421bee43bfe2ca1f3ad9e4cb71044a2b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f6533e62fbdbd65b5811e893c24bf3421bee43bfe2ca1f3ad9e4cb71044a2b2", kill_on_drop: false }`
[INFO] [stdout] 5f6533e62fbdbd65b5811e893c24bf3421bee43bfe2ca1f3ad9e4cb71044a2b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37d1c77749862265b31349faa6ff01cb6883ccc6ad4926b45b8b86bddcca8a82
[INFO] running `Command { std: "docker" "start" "-a" "37d1c77749862265b31349faa6ff01cb6883ccc6ad4926b45b8b86bddcca8a82", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling object v0.26.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]    Compiling uuid v0.6.5
[INFO] [stderr]    Compiling sacn-unofficial v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.87s
[INFO] running `Command { std: "docker" "inspect" "37d1c77749862265b31349faa6ff01cb6883ccc6ad4926b45b8b86bddcca8a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37d1c77749862265b31349faa6ff01cb6883ccc6ad4926b45b8b86bddcca8a82", kill_on_drop: false }`
[INFO] [stdout] 37d1c77749862265b31349faa6ff01cb6883ccc6ad4926b45b8b86bddcca8a82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9955ef955e2b934764dee6e04f847855f1d55c39cd9f2bbf887fd5f72f5982f2
[INFO] running `Command { std: "docker" "start" "-a" "9955ef955e2b934764dee6e04f847855f1d55c39cd9f2bbf887fd5f72f5982f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling sacn-unofficial v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `sacn`
[INFO] [stdout]  --> tests/discovery_parse_tests.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate sacn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sacn-unofficial`
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `sacn`
[INFO] [stdout]   --> tests/src_tests.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate sacn;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `sacn`
[INFO] [stdout]  --> tests/sync_parse_tests.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate sacn;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `sacn`
[INFO] [stdout]   --> tests/ipv4_tests.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate sacn;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `sacn`
[INFO] [stdout]   --> tests/data_parse_tests.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate sacn;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `sacn`
[INFO] [stdout]   --> tests/ipv6_tests.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate sacn;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/receive.rs:2662:32
[INFO] [stdout]      |
[INFO] [stdout] 2662 |                 assert!(false, format!("Receiver correctly rejected third data packet but with unexpected error: {}", e));
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2662 |                 assert!(false, "Receiver correctly rejected third data packet but with unexpected error: {}", e);
[INFO] [stdout]      |                               --                                                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/receive.rs:2748:29
[INFO] [stdout]      |
[INFO] [stdout] 2748 | / ...                   format!(
[INFO] [stdout] 2749 | | ...                       "Data packet with sequence number: {} was rejected incorrectly",
[INFO] [stdout] 2750 | | ...                       i
[INFO] [stdout] 2751 | | ...                   )
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2748 |                             
[INFO] [stdout] 2749 |                                 "Data packet with sequence number: {} was rejected incorrectly",
[INFO] [stdout] 2750 |                                 i
[INFO] [stdout] 2751 |                             
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/receive.rs:2760:29
[INFO] [stdout]      |
[INFO] [stdout] 2760 | / ...                   format!(
[INFO] [stdout] 2761 | | ...                       "Data packet with sequence number: {} was accepted incorrectly",
[INFO] [stdout] 2762 | | ...                       i
[INFO] [stdout] 2763 | | ...                   )
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2760 |                             
[INFO] [stdout] 2761 |                                 "Data packet with sequence number: {} was accepted incorrectly",
[INFO] [stdout] 2762 |                                 i
[INFO] [stdout] 2763 |                             
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/receive.rs:2774:36
[INFO] [stdout]      |
[INFO] [stdout] 2774 |                     assert!(false, format!("Receiver produced unexpected error: {}", e));
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2774 |                     assert!(false, "Receiver produced unexpected error: {}", e);
[INFO] [stdout]      |                                   --                                         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/receive.rs:2864:29
[INFO] [stdout]      |
[INFO] [stdout] 2864 | / ...                   format!(
[INFO] [stdout] 2865 | | ...                       "Sync packet with sequence number: {} was rejected incorrectly",
[INFO] [stdout] 2866 | | ...                       i
[INFO] [stdout] 2867 | | ...                   )
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2864 |                             
[INFO] [stdout] 2865 |                                 "Sync packet with sequence number: {} was rejected incorrectly",
[INFO] [stdout] 2866 |                                 i
[INFO] [stdout] 2867 |                             
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/receive.rs:2876:29
[INFO] [stdout]      |
[INFO] [stdout] 2876 | / ...                   format!(
[INFO] [stdout] 2877 | | ...                       "Sync packet with sequence number: {} was accepted incorrectly",
[INFO] [stdout] 2878 | | ...                       i
[INFO] [stdout] 2879 | | ...                   )
[INFO] [stdout]      | |_______________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2876 |                             
[INFO] [stdout] 2877 |                                 "Sync packet with sequence number: {} was accepted incorrectly",
[INFO] [stdout] 2878 |                                 i
[INFO] [stdout] 2879 |                             
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/receive.rs:2890:36
[INFO] [stdout]      |
[INFO] [stdout] 2890 |                     assert!(false, format!("Receiver produced unexpected error: {}", e));
[INFO] [stdout]      |                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2890 |                     assert!(false, "Receiver produced unexpected error: {}", e);
[INFO] [stdout]      |                                   --                                         --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/receive.rs:2948:32
[INFO] [stdout]      |
[INFO] [stdout] 2948 |                 assert!(false, format!("Receiver correctly rejected third sync packet but with unexpected error: {}", e));
[INFO] [stdout]      |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the assert!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2948 |                 assert!(false, "Receiver correctly rejected third sync packet but with unexpected error: {}", e);
[INFO] [stdout]      |                               --                                                                              --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9955ef955e2b934764dee6e04f847855f1d55c39cd9f2bbf887fd5f72f5982f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9955ef955e2b934764dee6e04f847855f1d55c39cd9f2bbf887fd5f72f5982f2", kill_on_drop: false }`
[INFO] [stdout] 9955ef955e2b934764dee6e04f847855f1d55c39cd9f2bbf887fd5f72f5982f2
