[INFO] fetching crate ttproxy 0.2.35...
[INFO] checking ttproxy-0.2.35 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate ttproxy 0.2.35 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate ttproxy 0.2.35 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 ttproxy 0.2.35
[INFO] finished tweaking crates.io crate ttproxy 0.2.35
[INFO] tweaked toml for crates.io crate ttproxy 0.2.35 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate ttproxy 0.2.35 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 parking_lot_core v0.8.0
[INFO] [stderr]   Downloaded ttserver_def v0.2.34
[INFO] [stderr]   Downloaded instant v0.1.7
[INFO] [stderr]   Downloaded ttcore v0.2.35
[INFO] [stderr]   Downloaded ttserver v0.2.34
[INFO] [stderr]   Downloaded parking_lot v0.11.0
[INFO] [stderr]   Downloaded futures-sink v0.3.6
[INFO] [stderr]   Downloaded gloo-timers v0.2.1
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[INFO] [stderr]   Downloaded standback v0.2.11
[INFO] [stderr]   Downloaded lock_api v0.4.1
[INFO] [stderr]   Downloaded async-global-executor v1.4.0
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded pin-project-lite v0.1.10
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded futures-executor v0.3.6
[INFO] [stderr]   Downloaded futures-core v0.3.6
[INFO] [stderr]   Downloaded const_fn v0.4.2
[INFO] [stderr]   Downloaded cloudabi v0.1.0
[INFO] [stderr]   Downloaded myutil v0.2.621
[INFO] [stderr]   Downloaded ttcore_def v0.2.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 89467d8d240fd94b9616bbcc6c6f0a9c0ec5f84c26bcee007a2f7689638926a3
[INFO] running `Command { std: "docker" "start" "-a" "89467d8d240fd94b9616bbcc6c6f0a9c0ec5f84c26bcee007a2f7689638926a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89467d8d240fd94b9616bbcc6c6f0a9c0ec5f84c26bcee007a2f7689638926a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89467d8d240fd94b9616bbcc6c6f0a9c0ec5f84c26bcee007a2f7689638926a3", kill_on_drop: false }`
[INFO] [stdout] 89467d8d240fd94b9616bbcc6c6f0a9c0ec5f84c26bcee007a2f7689638926a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 68fa6c8bd766b27dd1a3eaedbaa2db4e12217fdb1c7129caee6312fc9f19efc5
[INFO] running `Command { std: "docker" "start" "-a" "68fa6c8bd766b27dd1a3eaedbaa2db4e12217fdb1c7129caee6312fc9f19efc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking futures-core v0.3.6
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking pin-project-lite v0.1.10
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling const_fn v0.4.2
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking futures-sink v0.3.6
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking futures-task v0.3.6
[INFO] [stderr]     Checking futures-lite v1.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking futures-channel v0.3.6
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[INFO] [stderr]     Checking ansi_term v0.11.0
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[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.2
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[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking async-io v1.1.10
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking async-global-executor v1.4.0
[INFO] [stderr]     Checking async-std v1.6.5
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling futures-macro v0.3.6
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking myutil v0.2.621
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking ttcore_def v0.2.35
[INFO] [stderr]     Checking ttserver_def v0.2.34
[INFO] [stderr]     Checking ttcore v0.2.35
[INFO] [stderr]     Checking ttproxy v0.2.35 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `CFG` is imported redundantly
[INFO] [stdout]  --> src/hdr/sync.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `CFG` is already imported here
[INFO] [stdout] 6 | use crate::{fwd_to_slave, CFG};
[INFO] [stdout]   |                           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SocketAddr` is imported redundantly
[INFO] [stdout]  --> src/hdr/sync.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `SocketAddr` is already imported here
[INFO] [stdout] 6 | use crate::{fwd_to_slave, CFG};
[INFO] [stdout] 7 | use async_std::net::{IpAddr, Ipv4Addr, SocketAddr};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument
[INFO] [stdout]   --> src/hdr/mod.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[macro_export(crate)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_macro_export_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument
[INFO] [stdout]   --> src/util.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[macro_export(crate)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument
[INFO] [stdout]   --> src/util.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[macro_export(crate)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ttserver v0.2.34
[INFO] [stdout] warning: field `start_ts` is never read
[INFO] [stdout]   --> src/def.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct SlaveRes {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub start_ts: u64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `CFG` is imported redundantly
[INFO] [stdout]  --> src/hdr/sync.rs:6:27
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `CFG` is already imported here
[INFO] [stdout] 6 | use crate::{fwd_to_slave, CFG};
[INFO] [stdout]   |                           ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SocketAddr` is imported redundantly
[INFO] [stdout]  --> src/hdr/sync.rs:7:40
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::*;
[INFO] [stdout]   |     -------- the item `SocketAddr` is already imported here
[INFO] [stdout] 6 | use crate::{fwd_to_slave, CFG};
[INFO] [stdout] 7 | use async_std::net::{IpAddr, Ipv4Addr, SocketAddr};
[INFO] [stdout]   |                                        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument
[INFO] [stdout]   --> src/hdr/mod.rs:42:16
[INFO] [stdout]    |
[INFO] [stdout] 42 | #[macro_export(crate)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_macro_export_arguments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument
[INFO] [stdout]   --> src/util.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[macro_export(crate)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `crate` isn't a valid `#[macro_export]` argument
[INFO] [stdout]   --> src/util.rs:34:16
[INFO] [stdout]    |
[INFO] [stdout] 34 | #[macro_export(crate)]
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `start_ts` is never read
[INFO] [stdout]   --> src/def.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct SlaveRes {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 84 |     pub start_ts: u64,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.56s
[INFO] running `Command { std: "docker" "inspect" "68fa6c8bd766b27dd1a3eaedbaa2db4e12217fdb1c7129caee6312fc9f19efc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68fa6c8bd766b27dd1a3eaedbaa2db4e12217fdb1c7129caee6312fc9f19efc5", kill_on_drop: false }`
[INFO] [stdout] 68fa6c8bd766b27dd1a3eaedbaa2db4e12217fdb1c7129caee6312fc9f19efc5