[INFO] fetching crate x3 0.3.0...
[INFO] checking x3-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[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 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] 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chrono v0.4.15
[INFO] [stderr]   Downloaded clap v2.33.2
[INFO] [stderr]   Downloaded libc v0.2.74
[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] f75645fcf11163c35c5a69032a46c7defd4f91e9b4d1e40fbfb30801337f0577
[INFO] running `Command { std: "docker" "start" "-a" "f75645fcf11163c35c5a69032a46c7defd4f91e9b4d1e40fbfb30801337f0577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f75645fcf11163c35c5a69032a46c7defd4f91e9b4d1e40fbfb30801337f0577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f75645fcf11163c35c5a69032a46c7defd4f91e9b4d1e40fbfb30801337f0577", kill_on_drop: false }`
[INFO] [stdout] f75645fcf11163c35c5a69032a46c7defd4f91e9b4d1e40fbfb30801337f0577
[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] e3b244b19f243fefba5d74cade21998f3c5665cca2b016ec7af626dedb58037b
[INFO] running `Command { std: "docker" "start" "-a" "e3b244b19f243fefba5d74cade21998f3c5665cca2b016ec7af626dedb58037b", 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]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking hound v3.4.0
[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 7.03s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "e3b244b19f243fefba5d74cade21998f3c5665cca2b016ec7af626dedb58037b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b244b19f243fefba5d74cade21998f3c5665cca2b016ec7af626dedb58037b", kill_on_drop: false }`
[INFO] [stdout] e3b244b19f243fefba5d74cade21998f3c5665cca2b016ec7af626dedb58037b
[INFO] checking x3-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate x3 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate x3 0.3.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/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-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cefedf643f6deed03987bd1ab02952e3fc89fa6c7e1f92e4772493bf91cc456f
[INFO] running `Command { std: "docker" "start" "-a" "cefedf643f6deed03987bd1ab02952e3fc89fa6c7e1f92e4772493bf91cc456f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cefedf643f6deed03987bd1ab02952e3fc89fa6c7e1f92e4772493bf91cc456f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cefedf643f6deed03987bd1ab02952e3fc89fa6c7e1f92e4772493bf91cc456f", kill_on_drop: false }`
[INFO] [stdout] cefedf643f6deed03987bd1ab02952e3fc89fa6c7e1f92e4772493bf91cc456f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c545faaed6b208b2ad49f2a02e8f17562dd8a2f4094b5f72c61d5ce3b16218c9
[INFO] running `Command { std: "docker" "start" "-a" "c545faaed6b208b2ad49f2a02e8f17562dd8a2f4094b5f72c61d5ce3b16218c9", 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]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking hound v3.4.0
[INFO] [stderr]     Checking quick-xml v0.18.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[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 7.26s
[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 3`
[INFO] running `Command { std: "docker" "inspect" "c545faaed6b208b2ad49f2a02e8f17562dd8a2f4094b5f72c61d5ce3b16218c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c545faaed6b208b2ad49f2a02e8f17562dd8a2f4094b5f72c61d5ce3b16218c9", kill_on_drop: false }`
[INFO] [stdout] c545faaed6b208b2ad49f2a02e8f17562dd8a2f4094b5f72c61d5ce3b16218c9