[INFO] cloning repository https://github.com/u296/mc_update
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/u296/mc_update" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu296%2Fmc_update", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu296%2Fmc_update'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ede14ffc75e82b4c354d26c2019a9b0f79097eb
[INFO] checking u296/mc_update against try#c6359cd3b4418e8472bae1a89c242796f2b86d56 for pr-147984-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fu296%2Fmc_update" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/u296/mc_update
[INFO] finished tweaking git repo https://github.com/u296/mc_update
[INFO] tweaked toml for git repo https://github.com/u296/mc_update written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/u296/mc_update on toolchain c6359cd3b4418e8472bae1a89c242796f2b86d56
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c6359cd3b4418e8472bae1a89c242796f2b86d56" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/u296/mc_update 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" "+c6359cd3b4418e8472bae1a89c242796f2b86d56" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c6359cd3b4418e8472bae1a89c242796f2b86d56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d56fc25069172389d716fff5645a09324e7c4d61fa745ecdc178aee64e05249
[INFO] running `Command { std: "docker" "start" "-a" "0d56fc25069172389d716fff5645a09324e7c4d61fa745ecdc178aee64e05249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d56fc25069172389d716fff5645a09324e7c4d61fa745ecdc178aee64e05249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d56fc25069172389d716fff5645a09324e7c4d61fa745ecdc178aee64e05249", kill_on_drop: false }`
[INFO] [stdout] 0d56fc25069172389d716fff5645a09324e7c4d61fa745ecdc178aee64e05249
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c6359cd3b4418e8472bae1a89c242796f2b86d56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1270f2116b0ff262811de90352430c0bc669137cf769d2e1b9be944581017bfa
[INFO] running `Command { std: "docker" "start" "-a" "1270f2116b0ff262811de90352430c0bc669137cf769d2e1b9be944581017bfa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.74
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling openssl v0.10.40
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking tokio v1.19.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking regex v1.5.6
[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-util v0.7.3
[INFO] [stderr]     Checking xml5ever v0.16.2
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling html5ever v0.25.2
[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 tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper v0.14.19
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.10
[INFO] [stderr]     Checking mc_update v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `str::<impl str>::to_ascii_lowercase` that must be used
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     input.to_ascii_lowercase();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: to lowercase the value in-place, use `make_ascii_lowercase()`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = input.to_ascii_lowercase();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `str::<impl str>::to_ascii_lowercase` that must be used
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     input.to_ascii_lowercase();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: to lowercase the value in-place, use `make_ascii_lowercase()`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let _ = input.to_ascii_lowercase();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.69s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: openssl v0.10.40, 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" "1270f2116b0ff262811de90352430c0bc669137cf769d2e1b9be944581017bfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1270f2116b0ff262811de90352430c0bc669137cf769d2e1b9be944581017bfa", kill_on_drop: false }`
[INFO] [stdout] 1270f2116b0ff262811de90352430c0bc669137cf769d2e1b9be944581017bfa