[INFO] fetching crate eventsource-client 0.6.0...
[INFO] testing eventsource-client-0.6.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate eventsource-client 0.6.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate eventsource-client 0.6.0 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 eventsource-client 0.6.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate eventsource-client 0.6.0
[INFO] tweaked toml for crates.io crate eventsource-client 0.6.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate eventsource-client 0.6.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 76b2a06f20bf9760ee671a5590818c0e8f3f89ce05f78f61a0ca200c2d5f8a87
[INFO] running `Command { std: "docker" "start" "-a" "76b2a06f20bf9760ee671a5590818c0e8f3f89ce05f78f61a0ca200c2d5f8a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b2a06f20bf9760ee671a5590818c0e8f3f89ce05f78f61a0ca200c2d5f8a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b2a06f20bf9760ee671a5590818c0e8f3f89ce05f78f61a0ca200c2d5f8a87", kill_on_drop: false }`
[INFO] [stdout] 76b2a06f20bf9760ee671a5590818c0e8f3f89ce05f78f61a0ca200c2d5f8a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 962b66b689d847308d581b534fdb77e5044fd32e2ec18b9c246d790a12ecd084
[INFO] running `Command { std: "docker" "start" "-a" "962b66b689d847308d581b534fdb77e5044fd32e2ec18b9c246d790a12ecd084", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling futures-core v0.3.15
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[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-sink v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling futures-io v0.3.15
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling http-body v0.4.2
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[INFO] [stderr]    Compiling webpki v0.21.4
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[INFO] [stderr]    Compiling rustls v0.19.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling hyper v0.14.7
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling eventsource-client v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.74s
[INFO] running `Command { std: "docker" "inspect" "962b66b689d847308d581b534fdb77e5044fd32e2ec18b9c246d790a12ecd084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "962b66b689d847308d581b534fdb77e5044fd32e2ec18b9c246d790a12ecd084", kill_on_drop: false }`
[INFO] [stdout] 962b66b689d847308d581b534fdb77e5044fd32e2ec18b9c246d790a12ecd084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c897db5f552f994b4add4d6a4ed719e9b50f742bca89245edbf3b7c900d00406
[INFO] running `Command { std: "docker" "start" "-a" "c897db5f552f994b4add4d6a4ed719e9b50f742bca89245edbf3b7c900d00406", kill_on_drop: false }`
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling eventsource-client v0.6.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/decode.rs:572:61
[INFO] [stdout]     |
[INFO] [stdout] 572 |                 assert!(description.contains("read error"), description);
[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] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 572 |                 assert!(description.contains("read error"), "{}", description);
[INFO] [stdout]     |                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/decode.rs:585:61
[INFO] [stdout]     |
[INFO] [stdout] 585 |                 assert!(description.contains("read error"), description);
[INFO] [stdout]     |                                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 585 |                 assert!(description.contains("read error"), "{}", description);
[INFO] [stdout]     |                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/decode.rs:603:61
[INFO] [stdout]     |
[INFO] [stdout] 603 |                 assert!(description.contains("read error"), description);
[INFO] [stdout]     |                                                             ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 603 |                 assert!(description.contains("read error"), "{}", description);
[INFO] [stdout]     |                                                             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/decode.rs:690:48
[INFO] [stdout]     |
[INFO] [stdout] 690 |             Poll::Ready(Some(event)) => panic!(format!("expected eof, got {:?}", event)),
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() 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] 690 |             Poll::Ready(Some(event)) => panic!("expected eof, got {:?}", event),
[INFO] [stdout]     |                                               --                             --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/decode.rs:703:49
[INFO] [stdout]     |
[INFO] [stdout] 703 |             Poll::Ready(Some(Err(e))) => panic!(format!("expected eof, got error: {:?}", e)),
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout]     = note: the panic!() 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] 703 |             Poll::Ready(Some(Err(e))) => panic!("expected eof, got error: {:?}", e),
[INFO] [stdout]     |                                                --                                --
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.01s
[INFO] running `Command { std: "docker" "inspect" "c897db5f552f994b4add4d6a4ed719e9b50f742bca89245edbf3b7c900d00406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c897db5f552f994b4add4d6a4ed719e9b50f742bca89245edbf3b7c900d00406", kill_on_drop: false }`
[INFO] [stdout] c897db5f552f994b4add4d6a4ed719e9b50f742bca89245edbf3b7c900d00406
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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", kill_on_drop: false }`
[INFO] [stdout] 2ce7c9b5f4dfb840ab4b37ea377fe6df7c24d6d236f6fdbfa96c86f532631abc
[INFO] running `Command { std: "docker" "start" "-a" "2ce7c9b5f4dfb840ab4b37ea377fe6df7c24d6d236f6fdbfa96c86f532631abc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/decode.rs:572:61
[INFO] [stderr]     |
[INFO] [stderr] 572 |                 assert!(description.contains("read error"), description);
[INFO] [stderr]     |                                                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 572 |                 assert!(description.contains("read error"), "{}", description);
[INFO] [stderr]     |                                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/decode.rs:585:61
[INFO] [stderr]     |
[INFO] [stderr] 585 |                 assert!(description.contains("read error"), description);
[INFO] [stderr]     |                                                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 585 |                 assert!(description.contains("read error"), "{}", description);
[INFO] [stderr]     |                                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/decode.rs:603:61
[INFO] [stderr]     |
[INFO] [stderr] 603 |                 assert!(description.contains("read error"), description);
[INFO] [stderr]     |                                                             ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 603 |                 assert!(description.contains("read error"), "{}", description);
[INFO] [stderr]     |                                                             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/decode.rs:690:48
[INFO] [stderr]     |
[INFO] [stderr] 690 |             Poll::Ready(Some(event)) => panic!(format!("expected eof, got {:?}", event)),
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 690 |             Poll::Ready(Some(event)) => panic!("expected eof, got {:?}", event),
[INFO] [stderr]     |                                               --                             --
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> src/decode.rs:703:49
[INFO] [stderr]     |
[INFO] [stderr] 703 |             Poll::Ready(Some(Err(e))) => panic!(format!("expected eof, got error: {:?}", e)),
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stderr] help: remove the `format!(..)` macro call
[INFO] [stderr]     |
[INFO] [stderr] 703 |             Poll::Ready(Some(Err(e))) => panic!("expected eof, got error: {:?}", e),
[INFO] [stderr]     |                                                --                                --
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/eventsource_client-83c7075032448543)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test decode::tests::test_decode_chunks_simple ... ok
[INFO] [stdout] test decode::tests::test_decode_concatenates_multiple_values_for_same_field ... ok
[INFO] [stdout] test decode::tests::test_decode_edge_cases ... ok
[INFO] [stdout] test decode::tests::test_decode_line_split_across_chunks ... ok
[INFO] [stdout] test decode::tests::test_decode_message_split_across_chunks ... ok
[INFO] [stdout] test decode::tests::test_decode_one_event ... ok
[INFO] [stdout] test decode::tests::test_parse_field_comments ... ok
[INFO] [stdout] test decode::tests::test_parse_field_invalid ... ok
[INFO] [stdout] test decode::tests::test_decode_two_events ... ok
[INFO] [stdout] test decode::tests::test_parse_field_valid ... ok
[INFO] [stdout] test decode::tests::test_decode_big_event_followed_by_another ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests eventsource-client
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/config.rs - config::ReconnectOptions (line 5) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 7.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2ce7c9b5f4dfb840ab4b37ea377fe6df7c24d6d236f6fdbfa96c86f532631abc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ce7c9b5f4dfb840ab4b37ea377fe6df7c24d6d236f6fdbfa96c86f532631abc", kill_on_drop: false }`
[INFO] [stdout] 2ce7c9b5f4dfb840ab4b37ea377fe6df7c24d6d236f6fdbfa96c86f532631abc
