[INFO] fetching crate pstr 0.7.0...
[INFO] checking pstr-0.7.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate pstr 0.7.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate pstr 0.7.0
[INFO] finished tweaking crates.io crate pstr 0.7.0
[INFO] tweaked toml for crates.io crate pstr 0.7.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pstr 0.7.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding dashmap v3.11.10 (available: v6.1.0)
[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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c28aa2c76dbca5527795c65d9dadaac0822283eb9a118aef813853babf1daf55
[INFO] running `Command { std: "docker" "start" "-a" "c28aa2c76dbca5527795c65d9dadaac0822283eb9a118aef813853babf1daf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c28aa2c76dbca5527795c65d9dadaac0822283eb9a118aef813853babf1daf55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c28aa2c76dbca5527795c65d9dadaac0822283eb9a118aef813853babf1daf55", kill_on_drop: false }`
[INFO] [stdout] c28aa2c76dbca5527795c65d9dadaac0822283eb9a118aef813853babf1daf55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fa59b2bcf270d369a1933d914f7b88a47cf61b8392a840d90f2aa9d9f55734ef
[INFO] running `Command { std: "docker" "start" "-a" "fa59b2bcf270d369a1933d914f7b88a47cf61b8392a840d90f2aa9d9f55734ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking const-random v0.1.18
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking dashmap v3.11.10
[INFO] [stderr]     Checking pstr v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<i_os_str::IOsStr, Infallible>
[INFO] [stdout]    --> src/i_os_str.rs:213:53
[INFO] [stdout]     |
[INFO] [stdout] 213 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 214 | |         OsString::from_str(s).map(Self::from_os_string)
[INFO] [stdout] 215 | |     }
[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<i_os_str::IOsStr, Infallible>
[INFO] [stdout]    --> src/i_os_str.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         OsString::from_str(s).map(Self::from_os_string)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/i_os_str.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         OsString::from_str(s).map(Self::from_os_string)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<istr::IStr, Infallible>
[INFO] [stdout]    --> src/istr.rs:113:53
[INFO] [stdout]     |
[INFO] [stdout] 113 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 114 | |         Ok(Self::new(s))
[INFO] [stdout] 115 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<istr::IStr, Infallible>
[INFO] [stdout]    --> src/istr.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         Ok(Self::new(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<mow_str::MowStr, Infallible>
[INFO] [stdout]    --> src/mow_str.rs:543:53
[INFO] [stdout]     |
[INFO] [stdout] 543 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 544 | |         Ok(Self::new(s))
[INFO] [stdout] 545 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<mow_str::MowStr, Infallible>
[INFO] [stdout]    --> src/mow_str.rs:544:9
[INFO] [stdout]     |
[INFO] [stdout] 544 |         Ok(Self::new(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]   --> src/pool.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         std::sync::Arc::<T>::as_ptr(&self.0) == std::sync::Arc::<T>::as_ptr(&other.0)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]    |
[INFO] [stdout] 99 -         std::sync::Arc::<T>::as_ptr(&self.0) == std::sync::Arc::<T>::as_ptr(&other.0)
[INFO] [stdout] 99 +         std::ptr::addr_eq(std::sync::Arc::<T>::as_ptr(&self.0), std::sync::Arc::<T>::as_ptr(&other.0))
[INFO] [stdout]    |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]    |
[INFO] [stdout] 99 -         std::sync::Arc::<T>::as_ptr(&self.0) == std::sync::Arc::<T>::as_ptr(&other.0)
[INFO] [stdout] 99 +         std::ptr::eq(std::sync::Arc::<T>::as_ptr(&self.0), std::sync::Arc::<T>::as_ptr(&other.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pstr` (lib) due to 7 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<i_os_str::IOsStr, Infallible>
[INFO] [stdout]    --> src/i_os_str.rs:213:53
[INFO] [stdout]     |
[INFO] [stdout] 213 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 214 | |         OsString::from_str(s).map(Self::from_os_string)
[INFO] [stdout] 215 | |     }
[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<i_os_str::IOsStr, Infallible>
[INFO] [stdout]    --> src/i_os_str.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         OsString::from_str(s).map(Self::from_os_string)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]    --> src/i_os_str.rs:214:9
[INFO] [stdout]     |
[INFO] [stdout] 214 |         OsString::from_str(s).map(Self::from_os_string)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<istr::IStr, Infallible>
[INFO] [stdout]    --> src/istr.rs:113:53
[INFO] [stdout]     |
[INFO] [stdout] 113 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 114 | |         Ok(Self::new(s))
[INFO] [stdout] 115 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<istr::IStr, Infallible>
[INFO] [stdout]    --> src/istr.rs:114:9
[INFO] [stdout]     |
[INFO] [stdout] 114 |         Ok(Self::new(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<mow_str::MowStr, Infallible>
[INFO] [stdout]    --> src/mow_str.rs:543:53
[INFO] [stdout]     |
[INFO] [stdout] 543 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 544 | |         Ok(Self::new(s))
[INFO] [stdout] 545 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<mow_str::MowStr, Infallible>
[INFO] [stdout]    --> src/mow_str.rs:544:9
[INFO] [stdout]     |
[INFO] [stdout] 544 |         Ok(Self::new(s))
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected
[INFO] [stdout]   --> src/pool.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |         std::sync::Arc::<T>::as_ptr(&self.0) == std::sync::Arc::<T>::as_ptr(&other.0)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default
[INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses
[INFO] [stdout]    |
[INFO] [stdout] 99 -         std::sync::Arc::<T>::as_ptr(&self.0) == std::sync::Arc::<T>::as_ptr(&other.0)
[INFO] [stdout] 99 +         std::ptr::addr_eq(std::sync::Arc::<T>::as_ptr(&self.0), std::sync::Arc::<T>::as_ptr(&other.0))
[INFO] [stdout]    |
[INFO] [stdout] help: use explicit `std::ptr::eq` method to compare metadata and addresses
[INFO] [stdout]    |
[INFO] [stdout] 99 -         std::sync::Arc::<T>::as_ptr(&self.0) == std::sync::Arc::<T>::as_ptr(&other.0)
[INFO] [stdout] 99 +         std::ptr::eq(std::sync::Arc::<T>::as_ptr(&self.0), std::sync::Arc::<T>::as_ptr(&other.0))
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pstr` (lib test) due to 7 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fa59b2bcf270d369a1933d914f7b88a47cf61b8392a840d90f2aa9d9f55734ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa59b2bcf270d369a1933d914f7b88a47cf61b8392a840d90f2aa9d9f55734ef", kill_on_drop: false }`
[INFO] [stdout] fa59b2bcf270d369a1933d914f7b88a47cf61b8392a840d90f2aa9d9f55734ef
