[INFO] fetching crate sup 0.2.13...
[INFO] checking sup-0.2.13 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate sup 0.2.13 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate sup 0.2.13
[INFO] finished tweaking crates.io crate sup 0.2.13
[INFO] tweaked toml for crates.io crate sup 0.2.13 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sup 0.2.13 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 sup 0.2.13 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5edefa1ab8996d16e8cd26eeb884bf45c38f53e6b3427256989f5d89f712236e
[INFO] running `Command { std: "docker" "start" "-a" "5edefa1ab8996d16e8cd26eeb884bf45c38f53e6b3427256989f5d89f712236e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5edefa1ab8996d16e8cd26eeb884bf45c38f53e6b3427256989f5d89f712236e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5edefa1ab8996d16e8cd26eeb884bf45c38f53e6b3427256989f5d89f712236e", kill_on_drop: false }`
[INFO] [stdout] 5edefa1ab8996d16e8cd26eeb884bf45c38f53e6b3427256989f5d89f712236e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f401cbfc2c194323ca6ad32f650c005270810c3adf1855b2585d8dddf106ea0a
[INFO] running `Command { std: "docker" "start" "-a" "f401cbfc2c194323ca6ad32f650c005270810c3adf1855b2585d8dddf106ea0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking etc v0.1.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]     Checking structopt v0.3.18
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking sup v0.2.13 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cmd/mod.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         /// Project path
[INFO] [stdout] 26 | |         #[structopt(name = "PATH")]
[INFO] [stdout] 27 | |         path: PathBuf,
[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/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         /// Specify a tag to generate
[INFO] [stdout] 32 | |         #[structopt(short, long)]
[INFO] [stdout] 33 | |         tag: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cmd/mod.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         /// Project path
[INFO] [stdout] 38 | |         #[structopt(short, long, default_value = ".")]
[INFO] [stdout] 39 | |         project: PathBuf,
[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/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         /// Registry tag
[INFO] [stdout] 41 | |         #[structopt(short, long)]
[INFO] [stdout] 42 | |         tag: 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/config.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /         /// Substrate registry
[INFO] [stdout] 16 | |         #[structopt(short)]
[INFO] [stdout] 17 | |         registry: 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/list.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         /// Filter by tag
[INFO] [stdout] 14 | |         #[structopt(short, long)]
[INFO] [stdout] 15 | |         tag: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sup` (lib test) due to 6 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/cmd/mod.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         /// Project path
[INFO] [stdout] 26 | |         #[structopt(name = "PATH")]
[INFO] [stdout] 27 | |         path: PathBuf,
[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/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 | /         /// Specify a tag to generate
[INFO] [stdout] 32 | |         #[structopt(short, long)]
[INFO] [stdout] 33 | |         tag: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cmd/mod.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 | /         /// Project path
[INFO] [stdout] 38 | |         #[structopt(short, long, default_value = ".")]
[INFO] [stdout] 39 | |         project: PathBuf,
[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/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | /         /// Registry tag
[INFO] [stdout] 41 | |         #[structopt(short, long)]
[INFO] [stdout] 42 | |         tag: 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/config.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /         /// Substrate registry
[INFO] [stdout] 16 | |         #[structopt(short)]
[INFO] [stdout] 17 | |         registry: 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/list.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | /         /// Filter by tag
[INFO] [stdout] 14 | |         #[structopt(short, long)]
[INFO] [stdout] 15 | |         tag: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sup` (lib) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "f401cbfc2c194323ca6ad32f650c005270810c3adf1855b2585d8dddf106ea0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f401cbfc2c194323ca6ad32f650c005270810c3adf1855b2585d8dddf106ea0a", kill_on_drop: false }`
[INFO] [stdout] f401cbfc2c194323ca6ad32f650c005270810c3adf1855b2585d8dddf106ea0a