[INFO] cloning repository https://github.com/athei/benchbencher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/athei/benchbencher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathei%2Fbenchbencher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathei%2Fbenchbencher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9d358e2aab67f6780f8cc330cdef8f6c7aa4d42
[INFO] checking athei/benchbencher 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%2Fathei%2Fbenchbencher" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/athei/benchbencher
[INFO] finished tweaking git repo https://github.com/athei/benchbencher
[INFO] tweaked toml for git repo https://github.com/athei/benchbencher written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/athei/benchbencher 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/athei/benchbencher 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0de9606f812b066a6e78fcc62676119b6b078dd3f44588f28935abf985fe05ef
[INFO] running `Command { std: "docker" "start" "-a" "0de9606f812b066a6e78fcc62676119b6b078dd3f44588f28935abf985fe05ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de9606f812b066a6e78fcc62676119b6b078dd3f44588f28935abf985fe05ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de9606f812b066a6e78fcc62676119b6b078dd3f44588f28935abf985fe05ef", kill_on_drop: false }`
[INFO] [stdout] 0de9606f812b066a6e78fcc62676119b6b078dd3f44588f28935abf985fe05ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a02eb857f8280a08c1a0cd81a2fb62fe666be6cb32a6b1b9c41d9fa63bbc5f0c
[INFO] running `Command { std: "docker" "start" "-a" "a02eb857f8280a08c1a0cd81a2fb62fe666be6cb32a6b1b9c41d9fa63bbc5f0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking console v0.14.1
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking benchbencher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         /// The pallet whose benchmarks are benchmarked. Leave out to benchmark all.
[INFO] [stdout] 23 | |         #[structopt(short, long)]
[INFO] [stdout] 24 | |         pallet: Option<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/cli.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         /// Some extrinsic of the specified `pallet` which should be benchmarked.
[INFO] [stdout] 26 | |         /// This is mainly useful for development where one is working on a single benchmark.
[INFO] [stdout] 27 | |         /// Only allowed to be set when `pallet` is also set.
[INFO] [stdout] 28 | |         #[structopt(short, long)]
[INFO] [stdout] 29 | |         ext: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/cli.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         /// The pallet whose benchmarks are benchmarked. Leave out to benchmark all.
[INFO] [stdout] 23 | |         #[structopt(short, long)]
[INFO] [stdout] 24 | |         pallet: Option<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/cli.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         /// Some extrinsic of the specified `pallet` which should be benchmarked.
[INFO] [stdout] 26 | |         /// This is mainly useful for development where one is working on a single benchmark.
[INFO] [stdout] 27 | |         /// Only allowed to be set when `pallet` is also set.
[INFO] [stdout] 28 | |         #[structopt(short, long)]
[INFO] [stdout] 29 | |         ext: Option<String>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `benchbencher` (bin "benchbencher" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `benchbencher` (bin "benchbencher") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a02eb857f8280a08c1a0cd81a2fb62fe666be6cb32a6b1b9c41d9fa63bbc5f0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02eb857f8280a08c1a0cd81a2fb62fe666be6cb32a6b1b9c41d9fa63bbc5f0c", kill_on_drop: false }`
[INFO] [stdout] a02eb857f8280a08c1a0cd81a2fb62fe666be6cb32a6b1b9c41d9fa63bbc5f0c
