[INFO] fetching crate blelora 0.1.2...
[INFO] checking blelora-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate blelora 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate blelora 0.1.2
[INFO] finished tweaking crates.io crate blelora 0.1.2
[INFO] tweaked toml for crates.io crate blelora 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate blelora 0.1.2 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate blelora 0.1.2 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4bf2d33eb0f02c3042dd296657d19db88e95d2edb05767f452d608172fa4ce6
[INFO] running `Command { std: "docker" "start" "-a" "e4bf2d33eb0f02c3042dd296657d19db88e95d2edb05767f452d608172fa4ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4bf2d33eb0f02c3042dd296657d19db88e95d2edb05767f452d608172fa4ce6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4bf2d33eb0f02c3042dd296657d19db88e95d2edb05767f452d608172fa4ce6", kill_on_drop: false }`
[INFO] [stdout] e4bf2d33eb0f02c3042dd296657d19db88e95d2edb05767f452d608172fa4ce6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fac280165953f5e0e2218deb584dcc9844209f706e7a8d540c285b7fc15dfe16
[INFO] running `Command { std: "docker" "start" "-a" "fac280165953f5e0e2218deb584dcc9844209f706e7a8d540c285b7fc15dfe16", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.77
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling openssl-sys v0.9.71
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking unicode_categories v0.1.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking ferrous-serialport v4.0.2
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking snailquote v0.3.0
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.7
[INFO] [stderr]     Checking blelora v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/cmd/dfu/serial.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     /// Package to use
[INFO] [stdout] 110 | |     #[structopt(long = "package", number_of_values(1))]
[INFO] [stdout] 111 | |     package: String,
[INFO] [stdout]     | |___________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/cmd/dfu/serial.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     /// Optional port to use, overrides board selection
[INFO] [stdout] 114 | |     #[structopt(long = "port", number_of_values(1))]
[INFO] [stdout] 115 | |     port: Option<String>,
[INFO] [stdout]     | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/dfu/touch.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Port to use
[INFO] [stdout] 11 | |     #[structopt(long = "port", number_of_values(1))]
[INFO] [stdout] 12 | |     port: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blelora` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/cmd/dfu/serial.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 | /     /// Package to use
[INFO] [stdout] 110 | |     #[structopt(long = "package", number_of_values(1))]
[INFO] [stdout] 111 | |     package: String,
[INFO] [stdout]     | |___________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/cmd/dfu/serial.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 | /     /// Optional port to use, overrides board selection
[INFO] [stdout] 114 | |     #[structopt(long = "port", number_of_values(1))]
[INFO] [stdout] 115 | |     port: Option<String>,
[INFO] [stdout]     | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/dfu/touch.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | /     /// Port to use
[INFO] [stdout] 11 | |     #[structopt(long = "port", number_of_values(1))]
[INFO] [stdout] 12 | |     port: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `blelora` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "fac280165953f5e0e2218deb584dcc9844209f706e7a8d540c285b7fc15dfe16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac280165953f5e0e2218deb584dcc9844209f706e7a8d540c285b7fc15dfe16", kill_on_drop: false }`
[INFO] [stdout] fac280165953f5e0e2218deb584dcc9844209f706e7a8d540c285b7fc15dfe16
