[INFO] fetching crate av-format 0.7.0...
[INFO] checking av-format-0.7.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate av-format 0.7.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate av-format 0.7.0 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 av-format 0.7.0
[INFO] finished tweaking crates.io crate av-format 0.7.0
[INFO] tweaked toml for crates.io crate av-format 0.7.0 written to /workspace/builds/worker-3-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 34 packages
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded av-data v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] bea231fc065353f0f8733a3b821231d8776ed1e784e701f7198e785dda785004
[INFO] running `Command { std: "docker" "start" "-a" "bea231fc065353f0f8733a3b821231d8776ed1e784e701f7198e785dda785004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bea231fc065353f0f8733a3b821231d8776ed1e784e701f7198e785dda785004", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bea231fc065353f0f8733a3b821231d8776ed1e784e701f7198e785dda785004", kill_on_drop: false }`
[INFO] [stdout] bea231fc065353f0f8733a3b821231d8776ed1e784e701f7198e785dda785004
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2dd9bb46beeba9afdf421cddbebe9d4ad08414648212e09b7509be69e0aabf88
[INFO] running `Command { std: "docker" "start" "-a" "2dd9bb46beeba9afdf421cddbebe9d4ad08414648212e09b7509be69e0aabf88", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking av-data v0.4.2
[INFO] [stderr]     Checking av-format v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/buffer/accreader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]   --> src/buffer/accreader.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::iter::Iterator;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Iterator` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Buffered` is imported redundantly
[INFO] [stdout]    --> src/buffer/accreader.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     use super::*;
[INFO] [stdout]     |         -------- the item `Buffered` is already imported here
[INFO] [stdout] 219 |     use crate::buffer::Buffered;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `BufRead` is imported redundantly
[INFO] [stdout]    --> src/buffer/accreader.rs:220:19
[INFO] [stdout]     |
[INFO] [stdout] 218 |     use super::*;
[INFO] [stdout]     |         -------- the item `BufRead` is already imported here
[INFO] [stdout] 219 |     use crate::buffer::Buffered;
[INFO] [stdout] 220 |     use std::io::{BufRead, Cursor};
[INFO] [stdout]     |                   ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Packet` is imported redundantly
[INFO] [stdout]    --> src/demuxer.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     use super::*;
[INFO] [stdout]     |         -------- the item `Packet` is already imported here
[INFO] [stdout] 237 |     use crate::data::packet::Packet;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `SeekFrom` is imported redundantly
[INFO] [stdout]    --> src/demuxer.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     use super::*;
[INFO] [stdout]     |         -------- the item `SeekFrom` is already imported here
[INFO] [stdout] 237 |     use crate::data::packet::Packet;
[INFO] [stdout] 238 |     use std::io::SeekFrom;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.04s
[INFO] running `Command { std: "docker" "inspect" "2dd9bb46beeba9afdf421cddbebe9d4ad08414648212e09b7509be69e0aabf88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dd9bb46beeba9afdf421cddbebe9d4ad08414648212e09b7509be69e0aabf88", kill_on_drop: false }`
[INFO] [stdout] 2dd9bb46beeba9afdf421cddbebe9d4ad08414648212e09b7509be69e0aabf88