[INFO] fetching crate azure_core_mirror 0.3.0...
[INFO] checking azure_core_mirror-0.3.0 against master#e9271846294c4ee5bd7706df68180320c0b5ff20 for pr-119825
[INFO] extracting crate azure_core_mirror 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate azure_core_mirror 0.3.0 on toolchain e9271846294c4ee5bd7706df68180320c0b5ff20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate azure_core_mirror 0.3.0
[INFO] finished tweaking crates.io crate azure_core_mirror 0.3.0
[INFO] tweaked toml for crates.io crate azure_core_mirror 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_qs v0.8.5
[INFO] [stderr]   Downloaded infer v0.2.3
[INFO] [stderr]   Downloaded http-types v2.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25d8dc4f8334c345b8dc75e4ce5640f2480b0b739994b7246e600ebd13336fee
[INFO] running `Command { std: "docker" "start" "-a" "25d8dc4f8334c345b8dc75e4ce5640f2480b0b739994b7246e600ebd13336fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25d8dc4f8334c345b8dc75e4ce5640f2480b0b739994b7246e600ebd13336fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25d8dc4f8334c345b8dc75e4ce5640f2480b0b739994b7246e600ebd13336fee", kill_on_drop: false }`
[INFO] [stdout] 25d8dc4f8334c345b8dc75e4ce5640f2480b0b739994b7246e600ebd13336fee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+e9271846294c4ee5bd7706df68180320c0b5ff20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8291f13dd01bfe61d3f729928a5b061a9bd76faa68519f610d6dba49d81e53a
[INFO] running `Command { std: "docker" "start" "-a" "c8291f13dd01bfe61d3f729928a5b061a9bd76faa68519f610d6dba49d81e53a", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling http-types v2.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling azure_core_mirror v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling time-macros v0.2.16
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking num_threads v0.1.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking concurrent-queue v2.4.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking thiserror v1.0.56
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking time v0.3.31
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bytes_stream.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut self_mut = self.get_mut();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bytes_stream.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut self_mut = self.get_mut();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bytes_stream.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut self_mut = self.get_mut();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bytes_stream.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let mut self_mut = self.get_mut();
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.82s
[INFO] running `Command { std: "docker" "inspect" "c8291f13dd01bfe61d3f729928a5b061a9bd76faa68519f610d6dba49d81e53a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8291f13dd01bfe61d3f729928a5b061a9bd76faa68519f610d6dba49d81e53a", kill_on_drop: false }`
[INFO] [stdout] c8291f13dd01bfe61d3f729928a5b061a9bd76faa68519f610d6dba49d81e53a