[INFO] fetching crate snm 0.8.0...
[INFO] checking snm-0.8.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate snm 0.8.0 into /workspace/builds/worker-0-tc2/source
[INFO] removed /workspace/builds/worker-0-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate snm 0.8.0
[INFO] finished tweaking crates.io crate snm 0.8.0
[INFO] tweaked toml for crates.io crate snm 0.8.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snm 0.8.0 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 snm 0.8.0 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 382b548f91a6ee18b7b8f78b3b12238713e060503507b4db0d54379675cffee2
[INFO] running `Command { std: "docker" "start" "-a" "382b548f91a6ee18b7b8f78b3b12238713e060503507b4db0d54379675cffee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "382b548f91a6ee18b7b8f78b3b12238713e060503507b4db0d54379675cffee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "382b548f91a6ee18b7b8f78b3b12238713e060503507b4db0d54379675cffee2", kill_on_drop: false }`
[INFO] [stdout] 382b548f91a6ee18b7b8f78b3b12238713e060503507b4db0d54379675cffee2
[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] cbfb4cce617112816f81b2b590a0d8df788e87be45d994d1cb51354a46df7e0a
[INFO] running `Command { std: "docker" "start" "-a" "cbfb4cce617112816f81b2b590a0d8df788e87be45d994d1cb51354a46df7e0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking chunked_transfer v1.4.0
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]     Checking clap_generate v3.0.0-beta.4
[INFO] [stderr]     Checking ureq v2.2.0
[INFO] [stderr]     Checking snm v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli/config.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Root directory of the snm installation
[INFO] [stdout] 16 | |     #[clap(long, name = "base-dir", env = "SNM_DIR", global = true)]
[INFO] [stdout] 17 | |     pub snm_dir: Option<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: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/exec.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /// Command that needs to be executed
[INFO] [stdout] 17 | |     binary: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/exec.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// Arguments for the command
[INFO] [stdout] 20 | |     args: Vec<String>,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snm` (bin "snm") 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: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/cli/config.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Root directory of the snm installation
[INFO] [stdout] 16 | |     #[clap(long, name = "base-dir", env = "SNM_DIR", global = true)]
[INFO] [stdout] 17 | |     pub snm_dir: Option<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: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/exec.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /// Command that needs to be executed
[INFO] [stdout] 17 | |     binary: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/commands/exec.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// Arguments for the command
[INFO] [stdout] 20 | |     args: Vec<String>,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snm` (bin "snm" test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "cbfb4cce617112816f81b2b590a0d8df788e87be45d994d1cb51354a46df7e0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbfb4cce617112816f81b2b590a0d8df788e87be45d994d1cb51354a46df7e0a", kill_on_drop: false }`
[INFO] [stdout] cbfb4cce617112816f81b2b590a0d8df788e87be45d994d1cb51354a46df7e0a
