[INFO] cloning repository https://github.com/Michaelin007/multipage
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Michaelin007/multipage" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelin007%2Fmultipage", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelin007%2Fmultipage'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e56112e9a4f9b8be8a2cb3a59c870b2c3ad25fec
[INFO] checking Michaelin007/multipage against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelin007%2Fmultipage" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michaelin007/multipage 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 git repo https://github.com/Michaelin007/multipage
[INFO] finished tweaking git repo https://github.com/Michaelin007/multipage
[INFO] tweaked toml for git repo https://github.com/Michaelin007/multipage written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Michaelin007/multipage 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 select v0.5.0
[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] 983dddedbe96a017775f429f7dceb691b00926c57f6ad92561676415d54b0e46
[INFO] running `Command { std: "docker" "start" "-a" "983dddedbe96a017775f429f7dceb691b00926c57f6ad92561676415d54b0e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "983dddedbe96a017775f429f7dceb691b00926c57f6ad92561676415d54b0e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "983dddedbe96a017775f429f7dceb691b00926c57f6ad92561676415d54b0e46", kill_on_drop: false }`
[INFO] [stdout] 983dddedbe96a017775f429f7dceb691b00926c57f6ad92561676415d54b0e46
[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] 2dad0fd731263a095e599efe37e355d6d8708533d2ac46ccf0cfc65986fddcf7
[INFO] running `Command { std: "docker" "start" "-a" "2dad0fd731263a095e599efe37e355d6d8708533d2ac46ccf0cfc65986fddcf7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking xml5ever v0.16.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling html5ever v0.25.2
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking jumia_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     io::{prelude::*, LineWriter},
[INFO] [stdout]   |          ---------- the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     io::{prelude::*, LineWriter},
[INFO] [stdout]   |          ---------- the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{prelude::*, LineWriter},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{prelude::*, LineWriter},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.64s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: xml5ever v0.16.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] running `Command { std: "docker" "inspect" "2dad0fd731263a095e599efe37e355d6d8708533d2ac46ccf0cfc65986fddcf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dad0fd731263a095e599efe37e355d6d8708533d2ac46ccf0cfc65986fddcf7", kill_on_drop: false }`
[INFO] [stdout] 2dad0fd731263a095e599efe37e355d6d8708533d2ac46ccf0cfc65986fddcf7
[INFO] checking Michaelin007/multipage against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMichaelin007%2Fmultipage" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Michaelin007/multipage on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Michaelin007/multipage
[INFO] finished tweaking git repo https://github.com/Michaelin007/multipage
[INFO] tweaked toml for git repo https://github.com/Michaelin007/multipage written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Michaelin007/multipage 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35f8b3dd92208a74cb7a031c78cdc20b8c5dc62a29b2395a618a0e9f38d42668
[INFO] running `Command { std: "docker" "start" "-a" "35f8b3dd92208a74cb7a031c78cdc20b8c5dc62a29b2395a618a0e9f38d42668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35f8b3dd92208a74cb7a031c78cdc20b8c5dc62a29b2395a618a0e9f38d42668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35f8b3dd92208a74cb7a031c78cdc20b8c5dc62a29b2395a618a0e9f38d42668", kill_on_drop: false }`
[INFO] [stdout] 35f8b3dd92208a74cb7a031c78cdc20b8c5dc62a29b2395a618a0e9f38d42668
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 770de7525a3f6d3b1d80dafdc182506465b1e65e017b2aaae9da72d93712f29f
[INFO] running `Command { std: "docker" "start" "-a" "770de7525a3f6d3b1d80dafdc182506465b1e65e017b2aaae9da72d93712f29f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking tracing-core v0.1.26
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking futf v0.1.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling httparse v1.7.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking tendril v0.4.3
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.2
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling markup5ever v0.10.1
[INFO] [stderr]     Checking string_cache v0.8.4
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking xml5ever v0.16.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling html5ever v0.25.2
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tokio-util v0.7.1
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.5.0
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking jumia_crawler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     io::{prelude::*, LineWriter},
[INFO] [stdout]   |          ---------- the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     io::{prelude::*, LineWriter},
[INFO] [stdout]   |          ---------- the item `Write` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::File`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{prelude::*, LineWriter},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude`
[INFO] [stdout]  --> src/main.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 |     io::{prelude::*, LineWriter},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: xml5ever v0.16.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "770de7525a3f6d3b1d80dafdc182506465b1e65e017b2aaae9da72d93712f29f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "770de7525a3f6d3b1d80dafdc182506465b1e65e017b2aaae9da72d93712f29f", kill_on_drop: false }`
[INFO] [stdout] 770de7525a3f6d3b1d80dafdc182506465b1e65e017b2aaae9da72d93712f29f