[INFO] fetching crate x3 0.3.0...
[INFO] checking x3-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate x3 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate x3 0.3.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] started tweaking crates.io crate x3 0.3.0
[INFO] finished tweaking crates.io crate x3 0.3.0
[INFO] tweaked toml for crates.io crate x3 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate x3 0.3.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hound v3.4.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 79fc050dbbece1ccff255c870e60b6d6188387aac70e84950e40e81bbc6e5170
[INFO] running `Command { std: "docker" "start" "-a" "79fc050dbbece1ccff255c870e60b6d6188387aac70e84950e40e81bbc6e5170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79fc050dbbece1ccff255c870e60b6d6188387aac70e84950e40e81bbc6e5170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fc050dbbece1ccff255c870e60b6d6188387aac70e84950e40e81bbc6e5170", kill_on_drop: false }`
[INFO] [stdout] 79fc050dbbece1ccff255c870e60b6d6188387aac70e84950e40e81bbc6e5170
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d18507e371a58bd6dcc091dee62835c57e1b4830e34e1019e7aac9172866afa
[INFO] running `Command { std: "docker" "start" "-a" "0d18507e371a58bd6dcc091dee62835c57e1b4830e34e1019e7aac9172866afa", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.2
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking x3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `hound` is imported redundantly
[INFO] [stdout]   --> src/decodefile.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crate::hound;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate hound;
[INFO] [stdout]    | ------------------- the item `hound` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hound` is imported redundantly
[INFO] [stdout]   --> src/encodefile.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crate::hound;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate hound;
[INFO] [stdout]    | ------------------- the item `hound` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hound` is imported redundantly
[INFO] [stdout]   --> src/decodefile.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crate::hound;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate hound;
[INFO] [stdout]    | ------------------- the item `hound` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hound` is imported redundantly
[INFO] [stdout]   --> src/encodefile.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crate::hound;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | extern crate hound;
[INFO] [stdout]    | ------------------- the item `hound` is already imported here
[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` profile [unoptimized + debuginfo] target(s) in 2.82s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.18.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0d18507e371a58bd6dcc091dee62835c57e1b4830e34e1019e7aac9172866afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d18507e371a58bd6dcc091dee62835c57e1b4830e34e1019e7aac9172866afa", kill_on_drop: false }`
[INFO] [stdout] 0d18507e371a58bd6dcc091dee62835c57e1b4830e34e1019e7aac9172866afa