[INFO] cloning repository https://github.com/albinocordeiro/kiwirail
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/albinocordeiro/kiwirail" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbinocordeiro%2Fkiwirail", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbinocordeiro%2Fkiwirail'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b76c9250ac7c32462b7a1b8586d839baffae3ab
[INFO] checking albinocordeiro/kiwirail against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falbinocordeiro%2Fkiwirail" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/albinocordeiro/kiwirail
[INFO] finished tweaking git repo https://github.com/albinocordeiro/kiwirail
[INFO] tweaked toml for git repo https://github.com/albinocordeiro/kiwirail written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/albinocordeiro/kiwirail 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 git repo https://github.com/albinocordeiro/kiwirail 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ae34018039086e37030a90497f1b4138fe52f7bd72c7c0c3412277abda03a4a1
[INFO] running `Command { std: "docker" "start" "-a" "ae34018039086e37030a90497f1b4138fe52f7bd72c7c0c3412277abda03a4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae34018039086e37030a90497f1b4138fe52f7bd72c7c0c3412277abda03a4a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae34018039086e37030a90497f1b4138fe52f7bd72c7c0c3412277abda03a4a1", kill_on_drop: false }`
[INFO] [stdout] ae34018039086e37030a90497f1b4138fe52f7bd72c7c0c3412277abda03a4a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 748d656533403e762a2be3276fc03e3e9c143fc3ae9a068eb469fe89fc057d55
[INFO] running `Command { std: "docker" "start" "-a" "748d656533403e762a2be3276fc03e3e9c143fc3ae9a068eb469fe89fc057d55", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling eyre v0.6.5
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.18
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rustc-demangle v0.1.19
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]     Checking owo-colors v1.3.0
[INFO] [stderr]     Checking object v0.24.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking os_str_bytes v2.4.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking addr2line v0.15.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking color-spantrace v0.1.6
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking color-eyre v0.5.11
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking kiwirail v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/input_parsing.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[clap(short, long, required = true, 
[INFO] [stdout] 17 | |         about = "One edge per line, using the format [origin][destination][distance]. Example: AC5")]
[INFO] [stdout] 18 | |     pub edges_file: 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: Result<String, Infallible>
[INFO] [stdout]   --> src/input_parsing.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     #[clap(short, long, required = true)]
[INFO] [stdout] 37 | |     pub route: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/input_parsing.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     #[clap(short, long, required = true, 
[INFO] [stdout] 43 | |         about = "Pair of town in the format [Origin][Destination]. Example: AB")]
[INFO] [stdout] 44 | |     pub town_pair: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/input_parsing.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     #[clap(short, long, required = true,
[INFO] [stdout] 75 | |         about = "Pair of town in the format [Origin][Destination]. Example: AB")]
[INFO] [stdout] 76 | |     pub town_pair: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kiwirail` (lib test) due to 4 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<String, Infallible>
[INFO] [stdout]   --> src/input_parsing.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     #[clap(short, long, required = true, 
[INFO] [stdout] 17 | |         about = "One edge per line, using the format [origin][destination][distance]. Example: AC5")]
[INFO] [stdout] 18 | |     pub edges_file: 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: Result<String, Infallible>
[INFO] [stdout]   --> src/input_parsing.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | /     #[clap(short, long, required = true)]
[INFO] [stdout] 37 | |     pub route: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/input_parsing.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 42 | /     #[clap(short, long, required = true, 
[INFO] [stdout] 43 | |         about = "Pair of town in the format [Origin][Destination]. Example: AB")]
[INFO] [stdout] 44 | |     pub town_pair: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/input_parsing.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | /     #[clap(short, long, required = true,
[INFO] [stdout] 75 | |         about = "Pair of town in the format [Origin][Destination]. Example: AB")]
[INFO] [stdout] 76 | |     pub town_pair: String,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kiwirail` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "748d656533403e762a2be3276fc03e3e9c143fc3ae9a068eb469fe89fc057d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "748d656533403e762a2be3276fc03e3e9c143fc3ae9a068eb469fe89fc057d55", kill_on_drop: false }`
[INFO] [stdout] 748d656533403e762a2be3276fc03e3e9c143fc3ae9a068eb469fe89fc057d55
