[INFO] fetching crate tophat 0.3.0...
[INFO] checking tophat-0.3.0 against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] extracting crate tophat 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tophat 0.3.0 on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tophat 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tophat 0.3.0
[INFO] tweaked toml for crates.io crate tophat 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate tophat 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded headers v0.3.2
[INFO] [stderr]   Downloaded smol v1.2.5
[INFO] [stderr]   Downloaded easy-parallel v3.1.0
[INFO] [stderr]   Downloaded type-map v0.3.0
[INFO] [stderr]   Downloaded async-net v1.5.0
[INFO] [stderr]   Downloaded path-tree v0.1.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ac6ee0aab4c5ba7fea2e610b859e94c9cb6bc83f8dc62fdbea64ea8f6951925
[INFO] running `Command { std: "docker" "start" "-a" "8ac6ee0aab4c5ba7fea2e610b859e94c9cb6bc83f8dc62fdbea64ea8f6951925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ac6ee0aab4c5ba7fea2e610b859e94c9cb6bc83f8dc62fdbea64ea8f6951925", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac6ee0aab4c5ba7fea2e610b859e94c9cb6bc83f8dc62fdbea64ea8f6951925", kill_on_drop: false }`
[INFO] [stdout] 8ac6ee0aab4c5ba7fea2e610b859e94c9cb6bc83f8dc62fdbea64ea8f6951925
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a81b7f780e869a2b4a8883c9aa136d2344034665d86fc7809f3d85b646a3849
[INFO] running `Command { std: "docker" "start" "-a" "7a81b7f780e869a2b4a8883c9aa136d2344034665d86fc7809f3d85b646a3849", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   futures-util v0.3.8: channel, futures-channel, futures-sink, sink
[INFO] [stderr]   once_cell v1.5.2: default
[INFO] [stderr]   syn v1.0.56 (as host dependency): visit
[INFO] [stderr]   tracing-core v0.1.17: default
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking easy-parallel v3.1.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking async-dup v1.2.2
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking byte-pool v0.2.2
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking async-process v1.0.1
[INFO] [stderr]     Checking async-net v1.5.0
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking tophat v0.3.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]    Migrating examples/bench.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/server_error_handling.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/basic.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/observability_bytes_written.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/client_basic.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/mock.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/bench-multi.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/server_sent_events_2.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating examples/server_sent_events.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/server_basic.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating tests/chunked_text_big.rs from 2018 edition to 2021
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.10s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking tophat v0.3.0 (/tmp/fixit)
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.58s
[INFO] running `Command { std: "docker" "inspect" "7a81b7f780e869a2b4a8883c9aa136d2344034665d86fc7809f3d85b646a3849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a81b7f780e869a2b4a8883c9aa136d2344034665d86fc7809f3d85b646a3849", kill_on_drop: false }`
[INFO] [stdout] 7a81b7f780e869a2b4a8883c9aa136d2344034665d86fc7809f3d85b646a3849