[INFO] fetching crate webrtc-srtp 0.11.0...
[INFO] checking webrtc-srtp-0.11.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate webrtc-srtp 0.11.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate webrtc-srtp 0.11.0 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 webrtc-srtp 0.11.0
[INFO] finished tweaking crates.io crate webrtc-srtp 0.11.0
[INFO] tweaked toml for crates.io crate webrtc-srtp 0.11.0 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 163 packages
[INFO] [stderr]       Adding anes v0.1.6 (latest: v0.2.0)
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[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding memoffset v0.7.1 (latest: v0.9.1)
[INFO] [stderr]       Adding nix v0.26.4 (latest: v0.28.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding rtp v0.9.0 (latest: v0.10.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
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[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[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 rtcp v0.10.1
[INFO] [stderr]   Downloaded webrtc-util v0.8.1
[INFO] [stderr]   Downloaded rtp v0.9.0
[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] ae6fb3ecf44ec7aab1254e2e5fa692e99457a1d2df2ac6e11a513c5ed0879c36
[INFO] running `Command { std: "docker" "start" "-a" "ae6fb3ecf44ec7aab1254e2e5fa692e99457a1d2df2ac6e11a513c5ed0879c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae6fb3ecf44ec7aab1254e2e5fa692e99457a1d2df2ac6e11a513c5ed0879c36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae6fb3ecf44ec7aab1254e2e5fa692e99457a1d2df2ac6e11a513c5ed0879c36", kill_on_drop: false }`
[INFO] [stdout] ae6fb3ecf44ec7aab1254e2e5fa692e99457a1d2df2ac6e11a513c5ed0879c36
[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] e1819cc000c8b696c48a5b937449d7d56a0eae86d898db758058e8946fac9ad1
[INFO] running `Command { std: "docker" "start" "-a" "e1819cc000c8b696c48a5b937449d7d56a0eae86d898db758058e8946fac9ad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.18
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[INFO] [stderr]    Compiling thiserror-impl v1.0.58
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[INFO] [stderr]     Checking anes v0.1.6
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[INFO] [stderr]     Checking serde_json v1.0.115
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[INFO] [stderr]     Checking futures-executor v0.3.30
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[INFO] [stderr]     Checking tinytemplate v1.2.1
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[INFO] [stderr]     Checking webrtc-util v0.8.1
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking tokio-test v0.4.4
[INFO] [stderr]     Checking rtcp v0.10.1
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[INFO] [stderr]     Checking webrtc-srtp v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/context/srtcp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `Result` is already imported here
[INFO] [stdout] 5 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/context/srtp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `Result` is already imported here
[INFO] [stdout] 5 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Send` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:7:19
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Send` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Sync` is imported redundantly
[INFO] [stdout]  --> src/session/mod.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::marker::{Send, Sync};
[INFO] [stdout]   |                         ^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Sync` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/context/srtcp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `Result` is already imported here
[INFO] [stdout] 5 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/context/srtp.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::*;
[INFO] [stdout]   |     -------- the item `Result` is already imported here
[INFO] [stdout] 5 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtcp_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtcp_test.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use bytes::{Bytes, BytesMut};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Bytes` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mpsc` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtcp_test.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::sync::{mpsc, Mutex};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `mpsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtcp_test.rs:5:25
[INFO] [stdout]   |
[INFO] [stdout] 5 | use tokio::sync::{mpsc, Mutex};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtcp_test.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Result` is already imported here
[INFO] [stdout] 9 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `HashMap` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtp_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `HashMap` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Arc` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtp_test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Arc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Bytes` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtp_test.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 | use bytes::{Bytes, BytesMut};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Bytes` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mpsc` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtp_test.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::sync::{mpsc, Mutex};
[INFO] [stdout]   |                   ^^^^
[INFO] [stdout] 7 |
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `mpsc` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Mutex` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtp_test.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 | use tokio::sync::{mpsc, Mutex};
[INFO] [stdout]   |                         ^^^^^
[INFO] [stdout] 7 |
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Mutex` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]  --> src/session/session_rtp_test.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Result` is already imported here
[INFO] [stdout] 9 | use crate::error::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.32s
[INFO] running `Command { std: "docker" "inspect" "e1819cc000c8b696c48a5b937449d7d56a0eae86d898db758058e8946fac9ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1819cc000c8b696c48a5b937449d7d56a0eae86d898db758058e8946fac9ad1", kill_on_drop: false }`
[INFO] [stdout] e1819cc000c8b696c48a5b937449d7d56a0eae86d898db758058e8946fac9ad1