[INFO] fetching crate futures-bufio 0.2.0... [INFO] checking futures-bufio-0.2.0 against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] extracting crate futures-bufio 0.2.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate futures-bufio 0.2.0 [INFO] finished tweaking crates.io crate futures-bufio 0.2.0 [INFO] tweaked toml for crates.io crate futures-bufio 0.2.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate futures-bufio 0.2.0 on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 5 packages to latest compatible versions [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.31) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89b19b853cf1b6f370487cf1ede9e54f610e82d49ed783e742d5fbedb524a6b4 [INFO] running `Command { std: "docker" "start" "-a" "89b19b853cf1b6f370487cf1ede9e54f610e82d49ed783e742d5fbedb524a6b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89b19b853cf1b6f370487cf1ede9e54f610e82d49ed783e742d5fbedb524a6b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89b19b853cf1b6f370487cf1ede9e54f610e82d49ed783e742d5fbedb524a6b4", kill_on_drop: false }` [INFO] [stdout] 89b19b853cf1b6f370487cf1ede9e54f610e82d49ed783e742d5fbedb524a6b4 [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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a8c76683839873db159e096bd1573dcc0e71ef9546a3e9c7cec77d8da3023e8 [INFO] running `Command { std: "docker" "start" "-a" "8a8c76683839873db159e096bd1573dcc0e71ef9546a3e9c7cec77d8da3023e8", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Checking futures-bufio v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `conservative_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | #![feature(conservative_impl_trait)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/read.rs:211:52 [INFO] [stdout] | [INFO] [stdout] 211 | let r = mem::replace(&mut self.inner, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/read.rs:212:52 [INFO] [stdout] | [INFO] [stdout] 212 | let buf = mem::replace(&mut self.buf, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/read.rs:213:58 [INFO] [stdout] | [INFO] [stdout] 213 | let mut pool = mem::replace(&mut self.pool, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/write.rs:158:52 [INFO] [stdout] | [INFO] [stdout] 158 | let w = mem::replace(&mut self.inner, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/write.rs:159:52 [INFO] [stdout] | [INFO] [stdout] 159 | let buf = mem::replace(&mut self.buf, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/write.rs:160:58 [INFO] [stdout] | [INFO] [stdout] 160 | let mut pool = mem::replace(&mut self.pool, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/read.rs:211:52 [INFO] [stdout] | [INFO] [stdout] 211 | let r = mem::replace(&mut self.inner, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/read.rs:212:52 [INFO] [stdout] | [INFO] [stdout] 212 | let buf = mem::replace(&mut self.buf, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/read.rs:213:58 [INFO] [stdout] | [INFO] [stdout] 213 | let mut pool = mem::replace(&mut self.pool, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/write.rs:158:52 [INFO] [stdout] | [INFO] [stdout] 158 | let w = mem::replace(&mut self.inner, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/write.rs:159:52 [INFO] [stdout] | [INFO] [stdout] 159 | let buf = mem::replace(&mut self.buf, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/write.rs:160:58 [INFO] [stdout] | [INFO] [stdout] 160 | let mut pool = mem::replace(&mut self.pool, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `rem` is never read [INFO] [stdout] --> src/write.rs:295:17 [INFO] [stdout] | [INFO] [stdout] 295 | rem -= n_write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `rem` is never read [INFO] [stdout] --> src/write.rs:295:17 [INFO] [stdout] | [INFO] [stdout] 295 | rem -= n_write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Box<[u8]>` does not permit being left uninitialized [INFO] [stdout] --> src/read.rs:212:47 [INFO] [stdout] | [INFO] [stdout] 212 | let buf = mem::replace(&mut self.buf, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `Box` must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Option` does not permit being left uninitialized [INFO] [stdout] --> src/read.rs:213:53 [INFO] [stdout] | [INFO] [stdout] 213 | let mut pool = mem::replace(&mut self.pool, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /rustc/b1f2594eac607c1f051534800237eeedb5590a49/library/core/src/option.rs:600:0 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Box<[u8]>` does not permit being left uninitialized [INFO] [stdout] --> src/write.rs:159:47 [INFO] [stdout] | [INFO] [stdout] 159 | let buf = mem::replace(&mut self.buf, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `Box` must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Option` does not permit being left uninitialized [INFO] [stdout] --> src/write.rs:160:53 [INFO] [stdout] | [INFO] [stdout] 160 | let mut pool = mem::replace(&mut self.pool, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /rustc/b1f2594eac607c1f051534800237eeedb5590a49/library/core/src/option.rs:600:0 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Box<[u8]>` does not permit being left uninitialized [INFO] [stdout] --> src/read.rs:212:47 [INFO] [stdout] | [INFO] [stdout] 212 | let buf = mem::replace(&mut self.buf, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `Box` must be non-null [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Option` does not permit being left uninitialized [INFO] [stdout] --> src/read.rs:213:53 [INFO] [stdout] | [INFO] [stdout] 213 | let mut pool = mem::replace(&mut self.pool, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /rustc/b1f2594eac607c1f051534800237eeedb5590a49/library/core/src/option.rs:600:0 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Box<[u8]>` does not permit being left uninitialized [INFO] [stdout] --> src/write.rs:159:47 [INFO] [stdout] | [INFO] [stdout] 159 | let buf = mem::replace(&mut self.buf, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] = note: `Box` must be non-null [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `Option` does not permit being left uninitialized [INFO] [stdout] --> src/write.rs:160:53 [INFO] [stdout] | [INFO] [stdout] 160 | let mut pool = mem::replace(&mut self.pool, mem::uninitialized()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /rustc/b1f2594eac607c1f051534800237eeedb5590a49/library/core/src/option.rs:600:0 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "8a8c76683839873db159e096bd1573dcc0e71ef9546a3e9c7cec77d8da3023e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a8c76683839873db159e096bd1573dcc0e71ef9546a3e9c7cec77d8da3023e8", kill_on_drop: false }` [INFO] [stdout] 8a8c76683839873db159e096bd1573dcc0e71ef9546a3e9c7cec77d8da3023e8