[INFO] fetching crate recode 0.5.0-alpha.3...
[INFO] checking recode-0.5.0-alpha.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate recode 0.5.0-alpha.3 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate recode 0.5.0-alpha.3 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 recode 0.5.0-alpha.3
[INFO] finished tweaking crates.io crate recode 0.5.0-alpha.3
[INFO] tweaked toml for crates.io crate recode 0.5.0-alpha.3 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 31 packages
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded ux v0.1.5
[INFO] [stderr]   Downloaded fake v2.9.2
[INFO] [stderr]   Downloaded recode-derive v0.5.0-alpha.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 05d3ce0b22a399a3c19c8699fc550da680a4318002f152f50b79ebb8b7bcd3ef
[INFO] running `Command { std: "docker" "start" "-a" "05d3ce0b22a399a3c19c8699fc550da680a4318002f152f50b79ebb8b7bcd3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05d3ce0b22a399a3c19c8699fc550da680a4318002f152f50b79ebb8b7bcd3ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05d3ce0b22a399a3c19c8699fc550da680a4318002f152f50b79ebb8b7bcd3ef", kill_on_drop: false }`
[INFO] [stdout] 05d3ce0b22a399a3c19c8699fc550da680a4318002f152f50b79ebb8b7bcd3ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 111aa7179970fe60fbcc0647b05800ef379bff6fecf755a88512c7ccc1456a4a
[INFO] running `Command { std: "docker" "start" "-a" "111aa7179970fe60fbcc0647b05800ef379bff6fecf755a88512c7ccc1456a4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking ux v0.1.5
[INFO] [stderr]     Checking deunicode v1.4.3
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]     Checking fake v2.9.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling recode-derive v0.5.0-alpha.1
[INFO] [stderr]     Checking recode v0.5.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Unprefixed` is imported redundantly
[INFO] [stdout]   --> src/codec/length_prefixed.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |         codec::{length_prefixed::Unprefixed, *},
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^  - the item `Unprefixed` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BytesMut` is imported redundantly
[INFO] [stdout]    --> src/codec/ux.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use bytes::BytesMut;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     use super::*;
[INFO] [stdout]     |         -------- the item `BytesMut` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EncoderExt` is imported redundantly
[INFO] [stdout]    --> src/codec/ux.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use super::*;
[INFO] [stdout]     |         -------- the item `EncoderExt` is already imported here
[INFO] [stdout] 151 |     use crate::util::EncoderExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.45s
[INFO] running `Command { std: "docker" "inspect" "111aa7179970fe60fbcc0647b05800ef379bff6fecf755a88512c7ccc1456a4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "111aa7179970fe60fbcc0647b05800ef379bff6fecf755a88512c7ccc1456a4a", kill_on_drop: false }`
[INFO] [stdout] 111aa7179970fe60fbcc0647b05800ef379bff6fecf755a88512c7ccc1456a4a
[INFO] checking recode-0.5.0-alpha.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate recode 0.5.0-alpha.3 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate recode 0.5.0-alpha.3 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 recode 0.5.0-alpha.3
[INFO] finished tweaking crates.io crate recode 0.5.0-alpha.3
[INFO] tweaked toml for crates.io crate recode 0.5.0-alpha.3 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0e97a4daaf775f4a0caf5ac1ff0013d73fec1c74d71d3e60cb08e04d94fc491d
[INFO] running `Command { std: "docker" "start" "-a" "0e97a4daaf775f4a0caf5ac1ff0013d73fec1c74d71d3e60cb08e04d94fc491d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e97a4daaf775f4a0caf5ac1ff0013d73fec1c74d71d3e60cb08e04d94fc491d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e97a4daaf775f4a0caf5ac1ff0013d73fec1c74d71d3e60cb08e04d94fc491d", kill_on_drop: false }`
[INFO] [stdout] 0e97a4daaf775f4a0caf5ac1ff0013d73fec1c74d71d3e60cb08e04d94fc491d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 7b8c0d30203113e43a00a83952b88a56d3692dec71960d72a1d3c4acd8aee990
[INFO] running `Command { std: "docker" "start" "-a" "7b8c0d30203113e43a00a83952b88a56d3692dec71960d72a1d3c4acd8aee990", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking deunicode v1.4.3
[INFO] [stderr]     Checking ux v0.1.5
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]     Checking fake v2.9.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling recode-derive v0.5.0-alpha.1
[INFO] [stderr]     Checking recode v0.5.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Unprefixed` is imported redundantly
[INFO] [stdout]   --> src/codec/length_prefixed.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 |         codec::{length_prefixed::Unprefixed, *},
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^  - the item `Unprefixed` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BytesMut` is imported redundantly
[INFO] [stdout]    --> src/codec/ux.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 147 |     use bytes::BytesMut;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 150 |     use super::*;
[INFO] [stdout]     |         -------- the item `BytesMut` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `EncoderExt` is imported redundantly
[INFO] [stdout]    --> src/codec/ux.rs:151:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use super::*;
[INFO] [stdout]     |         -------- the item `EncoderExt` is already imported here
[INFO] [stdout] 151 |     use crate::util::EncoderExt;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.89s
[INFO] running `Command { std: "docker" "inspect" "7b8c0d30203113e43a00a83952b88a56d3692dec71960d72a1d3c4acd8aee990", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8c0d30203113e43a00a83952b88a56d3692dec71960d72a1d3c4acd8aee990", kill_on_drop: false }`
[INFO] [stdout] 7b8c0d30203113e43a00a83952b88a56d3692dec71960d72a1d3c4acd8aee990