[INFO] cloning repository https://github.com/rm-dr/daisy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rm-dr/daisy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frm-dr%2Fdaisy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frm-dr%2Fdaisy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 228cbf281f95740cc953b81e9e7a4df33f96e24c
[INFO] checking rm-dr/daisy against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frm-dr%2Fdaisy" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rm-dr/daisy on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rm-dr/daisy
[INFO] finished tweaking git repo https://github.com/rm-dr/daisy
[INFO] tweaked toml for git repo https://github.com/rm-dr/daisy written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rm-dr/daisy 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cbb644031be257d8bf6aa51f08ad2f8d973521e1cd38adde819f4223086d7f9
[INFO] running `Command { std: "docker" "start" "-a" "2cbb644031be257d8bf6aa51f08ad2f8d973521e1cd38adde819f4223086d7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbb644031be257d8bf6aa51f08ad2f8d973521e1cd38adde819f4223086d7f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbb644031be257d8bf6aa51f08ad2f8d973521e1cd38adde819f4223086d7f9", kill_on_drop: false }`
[INFO] [stdout] 2cbb644031be257d8bf6aa51f08ad2f8d973521e1cd38adde819f4223086d7f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5bdf8909f7615fa4622650a8d41269bbef327c2e3cab842052e76b1877c942ac
[INFO] running `Command { std: "docker" "start" "-a" "5bdf8909f7615fa4622650a8d41269bbef327c2e3cab842052e76b1877c942ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling serde_spanned v0.6.2
[INFO] [stderr]    Compiling toml_datetime v0.6.2
[INFO] [stderr]    Compiling toml_edit v0.19.10
[INFO] [stderr]    Compiling toml v0.7.4
[INFO] [stderr]    Compiling daisycalc v1.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `log` is never used
[INFO] [stdout]   --> src/quantity/scalar/scalar.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait ScalarBase:
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn log(&self, base: Self) -> Option<Self>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `log` is never used
[INFO] [stdout]   --> src/quantity/scalar/scalar.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait ScalarBase:
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn log(&self, base: Self) -> Option<Self>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "5bdf8909f7615fa4622650a8d41269bbef327c2e3cab842052e76b1877c942ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdf8909f7615fa4622650a8d41269bbef327c2e3cab842052e76b1877c942ac", kill_on_drop: false }`
[INFO] [stdout] 5bdf8909f7615fa4622650a8d41269bbef327c2e3cab842052e76b1877c942ac
[INFO] checking rm-dr/daisy against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frm-dr%2Fdaisy" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rm-dr/daisy on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rm-dr/daisy
[INFO] finished tweaking git repo https://github.com/rm-dr/daisy
[INFO] tweaked toml for git repo https://github.com/rm-dr/daisy written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/rm-dr/daisy 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd459ab51364025bc22b4bd69b9c50e6149183dbcbceb7a17a8a304c7ee8f77b
[INFO] running `Command { std: "docker" "start" "-a" "fd459ab51364025bc22b4bd69b9c50e6149183dbcbceb7a17a8a304c7ee8f77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd459ab51364025bc22b4bd69b9c50e6149183dbcbceb7a17a8a304c7ee8f77b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd459ab51364025bc22b4bd69b9c50e6149183dbcbceb7a17a8a304c7ee8f77b", kill_on_drop: false }`
[INFO] [stdout] fd459ab51364025bc22b4bd69b9c50e6149183dbcbceb7a17a8a304c7ee8f77b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f3eda3a2d593a83245afb44d5f64b8fd727627c7c2cf379f641ba5c7621acda
[INFO] running `Command { std: "docker" "start" "-a" "9f3eda3a2d593a83245afb44d5f64b8fd727627c7c2cf379f641ba5c7621acda", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling serde v1.0.164
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling winnow v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking termion v2.0.1
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling serde_spanned v0.6.2
[INFO] [stderr]    Compiling toml_datetime v0.6.2
[INFO] [stderr]    Compiling toml_edit v0.19.10
[INFO] [stderr]    Compiling toml v0.7.4
[INFO] [stderr]    Compiling daisycalc v1.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `log` is never used
[INFO] [stdout]   --> src/quantity/scalar/scalar.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait ScalarBase:
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn log(&self, base: Self) -> Option<Self>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `log` is never used
[INFO] [stdout]   --> src/quantity/scalar/scalar.rs:61:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait ScalarBase:
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 61 |     fn log(&self, base: Self) -> Option<Self>;
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.48s
[INFO] running `Command { std: "docker" "inspect" "9f3eda3a2d593a83245afb44d5f64b8fd727627c7c2cf379f641ba5c7621acda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f3eda3a2d593a83245afb44d5f64b8fd727627c7c2cf379f641ba5c7621acda", kill_on_drop: false }`
[INFO] [stdout] 9f3eda3a2d593a83245afb44d5f64b8fd727627c7c2cf379f641ba5c7621acda