[INFO] fetching crate servant-codec 0.1.0... [INFO] checking servant-codec-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate servant-codec 0.1.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate servant-codec 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate servant-codec 0.1.0 [INFO] finished tweaking crates.io crate servant-codec 0.1.0 [INFO] tweaked toml for crates.io crate servant-codec 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate crates.io crate servant-codec 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded wasm-bindgen-webidl v0.2.58 [INFO] [stderr] Downloaded weedle v0.10.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.58 [INFO] [stderr] Downloaded syn v1.0.13 [INFO] [stderr] Downloaded sourcefile v0.1.4 [INFO] [stderr] Downloaded bincode v1.2.1 [INFO] [stderr] Downloaded futures-executor v0.3.1 [INFO] [stderr] Downloaded bytes v0.5.3 [INFO] [stderr] Downloaded futures-util v0.3.1 [INFO] [stderr] Downloaded futures v0.3.1 [INFO] [stderr] Downloaded wasm-bindgen v0.2.58 [INFO] [stderr] Downloaded bumpalo v3.1.2 [INFO] [stderr] Downloaded web-sys v0.3.35 [INFO] [stderr] Downloaded pin-project v0.4.6 [INFO] [stderr] Downloaded test-case v1.0.0-alpha-1 [INFO] [stderr] Downloaded js-sys v0.3.35 [INFO] [stderr] Downloaded anyhow v1.0.26 [INFO] [stderr] Downloaded futures-channel v0.3.1 [INFO] [stderr] Downloaded futures-core v0.3.1 [INFO] [stderr] Downloaded futures-io v0.3.1 [INFO] [stderr] Downloaded futures-macro v0.3.1 [INFO] [stderr] Downloaded futures-sink v0.3.1 [INFO] [stderr] Downloaded futures-task v0.3.1 [INFO] [stderr] Downloaded pin-project-internal v0.4.6 [INFO] [stderr] Downloaded futures_codec v0.3.4 [INFO] [stderr] Downloaded untrusted v0.7.0 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.58 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.58 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.58 [INFO] [stderr] Downloaded proc-macro2 v1.0.7 [INFO] [stderr] Downloaded ring v0.16.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 125d6ff85823d03e43b7695d0e465c89a77412abcbf55ceedf03f5f2d32b412a [INFO] running `Command { std: "docker" "start" "-a" "125d6ff85823d03e43b7695d0e465c89a77412abcbf55ceedf03f5f2d32b412a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "125d6ff85823d03e43b7695d0e465c89a77412abcbf55ceedf03f5f2d32b412a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "125d6ff85823d03e43b7695d0e465c89a77412abcbf55ceedf03f5f2d32b412a", kill_on_drop: false }` [INFO] [stdout] 125d6ff85823d03e43b7695d0e465c89a77412abcbf55ceedf03f5f2d32b412a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f21f750520090fdfc0a0a9c918e5e111c10e30ae247b7f8b970935b7e36dae71 [INFO] running `Command { std: "docker" "start" "-a" "f21f750520090fdfc0a0a9c918e5e111c10e30ae247b7f8b970935b7e36dae71", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking untrusted v0.7.0 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling test-case v1.0.0-alpha-1 [INFO] [stderr] Compiling ring v0.16.9 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling pin-project-internal v0.4.6 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking pin-project v0.4.6 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking futures_codec v0.3.4 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking servant-codec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rng::rand_gen` [INFO] [stdout] --> src/utility/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use rng::rand_gen; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `type_of::type_of` [INFO] [stdout] --> src/utility/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use type_of::type_of; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Bytes` is imported redundantly [INFO] [stdout] --> src/aead_codec/aead.rs:328:9 [INFO] [stdout] | [INFO] [stdout] 282 | use super::*; [INFO] [stdout] | -------- the item `Bytes` is already imported here [INFO] [stdout] ... [INFO] [stdout] 328 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Decoder` is imported redundantly [INFO] [stdout] --> src/aead_codec/aead.rs:330:37 [INFO] [stdout] | [INFO] [stdout] 282 | use super::*; [INFO] [stdout] | -------- the item `Decoder` is already imported here [INFO] [stdout] ... [INFO] [stdout] 330 | use futures_codec::{BytesCodec, Decoder, Encoder, Framed, FramedRead, FramedWrite}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Encoder` is imported redundantly [INFO] [stdout] --> src/aead_codec/aead.rs:330:46 [INFO] [stdout] | [INFO] [stdout] 282 | use super::*; [INFO] [stdout] | -------- the item `Encoder` is already imported here [INFO] [stdout] ... [INFO] [stdout] 330 | use futures_codec::{BytesCodec, Decoder, Encoder, Framed, FramedRead, FramedWrite}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rng::rand_gen` [INFO] [stdout] --> src/utility/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use rng::rand_gen; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.04s [INFO] running `Command { std: "docker" "inspect" "f21f750520090fdfc0a0a9c918e5e111c10e30ae247b7f8b970935b7e36dae71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f21f750520090fdfc0a0a9c918e5e111c10e30ae247b7f8b970935b7e36dae71", kill_on_drop: false }` [INFO] [stdout] f21f750520090fdfc0a0a9c918e5e111c10e30ae247b7f8b970935b7e36dae71 [INFO] checking servant-codec-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate servant-codec 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate servant-codec 0.1.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate servant-codec 0.1.0 [INFO] finished tweaking crates.io crate servant-codec 0.1.0 [INFO] tweaked toml for crates.io crate servant-codec 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate servant-codec 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 66c4027e2d8f5e859b692cf78d7285765d517f52edba2de9cdf21c81fef31eca [INFO] running `Command { std: "docker" "start" "-a" "66c4027e2d8f5e859b692cf78d7285765d517f52edba2de9cdf21c81fef31eca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "66c4027e2d8f5e859b692cf78d7285765d517f52edba2de9cdf21c81fef31eca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "66c4027e2d8f5e859b692cf78d7285765d517f52edba2de9cdf21c81fef31eca", kill_on_drop: false }` [INFO] [stdout] 66c4027e2d8f5e859b692cf78d7285765d517f52edba2de9cdf21c81fef31eca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77f5babd7c064589c62330281a6ec0cfc8b917ccaf3fcb2d0abdcfed7a48136d [INFO] running `Command { std: "docker" "start" "-a" "77f5babd7c064589c62330281a6ec0cfc8b917ccaf3fcb2d0abdcfed7a48136d", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.7 [INFO] [stderr] Compiling syn v1.0.13 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-sink v0.3.1 [INFO] [stderr] Checking futures-core v0.3.1 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.1 [INFO] [stderr] Checking futures-task v0.3.1 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking futures-channel v0.3.1 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking untrusted v0.7.0 [INFO] [stderr] Checking bytes v0.5.3 [INFO] [stderr] Compiling test-case v1.0.0-alpha-1 [INFO] [stderr] Compiling ring v0.16.9 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling pin-project-internal v0.4.6 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling futures-macro v0.3.1 [INFO] [stderr] Checking pin-project v0.4.6 [INFO] [stderr] Checking futures-util v0.3.1 [INFO] [stderr] Checking futures-executor v0.3.1 [INFO] [stderr] Checking futures v0.3.1 [INFO] [stderr] Checking futures_codec v0.3.4 [INFO] [stderr] Checking bincode v1.2.1 [INFO] [stderr] Checking servant-codec v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Bytes` is imported redundantly [INFO] [stdout] --> src/aead_codec/aead.rs:328:9 [INFO] [stdout] | [INFO] [stdout] 282 | use super::*; [INFO] [stdout] | -------- the item `Bytes` is already imported here [INFO] [stdout] ... [INFO] [stdout] 328 | use bytes::Bytes; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Decoder` is imported redundantly [INFO] [stdout] --> src/aead_codec/aead.rs:330:37 [INFO] [stdout] | [INFO] [stdout] 282 | use super::*; [INFO] [stdout] | -------- the item `Decoder` is already imported here [INFO] [stdout] ... [INFO] [stdout] 330 | use futures_codec::{BytesCodec, Decoder, Encoder, Framed, FramedRead, FramedWrite}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Encoder` is imported redundantly [INFO] [stdout] --> src/aead_codec/aead.rs:330:46 [INFO] [stdout] | [INFO] [stdout] 282 | use super::*; [INFO] [stdout] | -------- the item `Encoder` is already imported here [INFO] [stdout] ... [INFO] [stdout] 330 | use futures_codec::{BytesCodec, Decoder, Encoder, Framed, FramedRead, FramedWrite}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rng::rand_gen` [INFO] [stdout] --> src/utility/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use rng::rand_gen; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rng::rand_gen` [INFO] [stdout] --> src/utility/mod.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | pub use rng::rand_gen; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `type_of::type_of` [INFO] [stdout] --> src/utility/mod.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | pub use type_of::type_of; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.03s [INFO] running `Command { std: "docker" "inspect" "77f5babd7c064589c62330281a6ec0cfc8b917ccaf3fcb2d0abdcfed7a48136d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77f5babd7c064589c62330281a6ec0cfc8b917ccaf3fcb2d0abdcfed7a48136d", kill_on_drop: false }` [INFO] [stdout] 77f5babd7c064589c62330281a6ec0cfc8b917ccaf3fcb2d0abdcfed7a48136d