[INFO] cloning repository https://github.com/samuelcolvin/rtoml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/samuelcolvin/rtoml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelcolvin%2Frtoml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsamuelcolvin%2Frtoml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 527eee0904f1ba12c659e467b1181d0c44c05655
[INFO] checking samuelcolvin/rtoml 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%2Fsamuelcolvin%2Frtoml" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/samuelcolvin/rtoml
[INFO] finished tweaking git repo https://github.com/samuelcolvin/rtoml
[INFO] tweaked toml for git repo https://github.com/samuelcolvin/rtoml written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/samuelcolvin/rtoml 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/samuelcolvin/rtoml 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] [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] d2dc08491d8a7b4379f9c1057d4fa7e2ad493b46415bbfd328af84d050294f33
[INFO] running `Command { std: "docker" "start" "-a" "d2dc08491d8a7b4379f9c1057d4fa7e2ad493b46415bbfd328af84d050294f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2dc08491d8a7b4379f9c1057d4fa7e2ad493b46415bbfd328af84d050294f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2dc08491d8a7b4379f9c1057d4fa7e2ad493b46415bbfd328af84d050294f33", kill_on_drop: false }`
[INFO] [stdout] d2dc08491d8a7b4379f9c1057d4fa7e2ad493b46415bbfd328af84d050294f33
[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] 977917519bc79b0fb2d33e8e75d91b26df60e555bbfbca9d2c7d686f1f254f33
[INFO] running `Command { std: "docker" "start" "-a" "977917519bc79b0fb2d33e8e75d91b26df60e555bbfbca9d2c7d686f1f254f33", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.13.3
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking unindent v0.2.3
[INFO] [stderr]    Compiling indoc v2.0.5
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling pyo3-build-config v0.26.0
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling pyo3-macros-backend v0.26.0
[INFO] [stderr]    Compiling pyo3-ffi v0.26.0
[INFO] [stderr]    Compiling pyo3 v0.26.0
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]    Compiling pyo3-macros v0.26.0
[INFO] [stderr]     Checking rtoml v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `rtoml` (lib) due to 3 previous errors
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/datetime.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn seconds(&self) -> i32 {
[INFO] [stdout]    |                          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/datetime.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn tzname(&self, _dt: &Bound<'_, PyAny>) -> String {
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<pyo3::Bound<'_, PyDelta>>, Infallible>
[INFO] [stdout]   --> src/datetime.rs:68:52
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn dst<'py>(&self, _dt: &Bound<'py, PyAny>) -> Option<Bound<'py, PyDelta>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<i32, Infallible>
[INFO] [stdout]   --> src/datetime.rs:56:26
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn seconds(&self) -> i32 {
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/datetime.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn tzname(&self, _dt: &Bound<'_, PyAny>) -> String {
[INFO] [stdout]    |                                                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::option::Option<pyo3::Bound<'_, PyDelta>>, Infallible>
[INFO] [stdout]   --> src/datetime.rs:68:52
[INFO] [stdout]    |
[INFO] [stdout] 68 |     fn dst<'py>(&self, _dt: &Bound<'py, PyAny>) -> Option<Bound<'py, PyDelta>> {
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rtoml` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "977917519bc79b0fb2d33e8e75d91b26df60e555bbfbca9d2c7d686f1f254f33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "977917519bc79b0fb2d33e8e75d91b26df60e555bbfbca9d2c7d686f1f254f33", kill_on_drop: false }`
[INFO] [stdout] 977917519bc79b0fb2d33e8e75d91b26df60e555bbfbca9d2c7d686f1f254f33