[INFO] cloning repository https://github.com/GCYYfun/OSTEP_RUST [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GCYYfun/OSTEP_RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGCYYfun%2FOSTEP_RUST", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGCYYfun%2FOSTEP_RUST'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dc77200653917d10de7500c9c7f610d7af0a68ad [INFO] checking GCYYfun/OSTEP_RUST against a5689b034ad287112f709693384a37f1377eb9cc for pr-129249-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGCYYfun%2FOSTEP_RUST" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/GCYYfun/OSTEP_RUST [INFO] finished tweaking git repo https://github.com/GCYYfun/OSTEP_RUST [INFO] tweaked toml for git repo https://github.com/GCYYfun/OSTEP_RUST written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/GCYYfun/OSTEP_RUST on toolchain a5689b034ad287112f709693384a37f1377eb9cc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/GCYYfun/OSTEP_RUST 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" "+a5689b034ad287112f709693384a37f1377eb9cc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981 [INFO] running `Command { std: "docker" "start" "39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981" "/opt/rustwide/cargo-home/bin/cargo" "+a5689b034ad287112f709693384a37f1377eb9cc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking ppv-lite86 v0.2.10 [INFO] [stderr] Checking rand_core v0.6.1 [INFO] [stderr] Checking rand_chacha v0.3.0 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking ostep-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 for more information [INFO] [stdout] --> src/main.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | #![allow(mutable_borrow_reservation_conflict)] // 危险 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: named argument `width` is not used by name [INFO] [stdout] --> src/dist_afs/afs.rs:34:30 [INFO] [stdout] | [INFO] [stdout] 34 | print!("{:>width$}", width = 28); [INFO] [stdout] | ---------- ^^^^^ this named argument is referred to by position in formatting string [INFO] [stdout] | | [INFO] [stdout] | this formatting argument uses named argument `width` by position [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(named_arguments_used_positionally)]` on by default [INFO] [stdout] help: use the named argument by name to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 34 | print!("{width:>width$}", width = 28); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lint `mutable_borrow_reservation_conflict` has been removed: now allowed, see issue #59159 for more information [INFO] [stdout] --> src/main.rs:2:10 [INFO] [stdout] | [INFO] [stdout] 2 | #![allow(mutable_borrow_reservation_conflict)] // 危险 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(renamed_and_removed_lints)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: named argument `width` is not used by name [INFO] [stdout] --> src/dist_afs/afs.rs:34:30 [INFO] [stdout] | [INFO] [stdout] 34 | print!("{:>width$}", width = 28); [INFO] [stdout] | ---------- ^^^^^ this named argument is referred to by position in formatting string [INFO] [stdout] | | [INFO] [stdout] | this formatting argument uses named argument `width` by position [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(named_arguments_used_positionally)]` on by default [INFO] [stdout] help: use the named argument by name to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 34 | print!("{width:>width$}", width = 28); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `f64` [INFO] [stdout] --> src/dist_afs/afs.rs:572:24 [INFO] [stdout] | [INFO] [stdout] 572 | if r < self.bias[0].into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 572 - if r < self.bias[0].into() { [INFO] [stdout] 572 + if r < self.bias[0] { [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 572 - if r < self.bias[0].into() { [INFO] [stdout] 572 + if r < >::into(self.bias[0]) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cpu_api/fork.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | &pmask.insert(level - 1, false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = &pmask.insert(level - 1, false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cpu_api/fork.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | &pmask.insert(level, true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = &pmask.insert(level, true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ostep-rust` (bin "ostep-rust") due to 1 previous error; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: useless conversion to the same type: `f64` [INFO] [stdout] --> src/dist_afs/afs.rs:572:24 [INFO] [stdout] | [INFO] [stdout] 572 | if r < self.bias[0].into() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] help: consider removing the conversion call [INFO] [stdout] | [INFO] [stdout] 572 - if r < self.bias[0].into() { [INFO] [stdout] 572 + if r < self.bias[0] { [INFO] [stdout] | [INFO] [stdout] help: you can use the fully-qualified path to avoid triggering this lint [INFO] [stdout] | [INFO] [stdout] 572 - if r < self.bias[0].into() { [INFO] [stdout] 572 + if r < >::into(self.bias[0]) { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cpu_api/fork.rs:138:13 [INFO] [stdout] | [INFO] [stdout] 138 | &pmask.insert(level - 1, false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 138 | let _ = &pmask.insert(level - 1, false); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/cpu_api/fork.rs:141:9 [INFO] [stdout] | [INFO] [stdout] 141 | &pmask.insert(level, true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 141 | let _ = &pmask.insert(level, true); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ostep-rust` (bin "ostep-rust" test) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981", kill_on_drop: false }` [INFO] [stdout] 39c32bdb98767a1d97ad87fb596d42920d7a649cf4541ff2b481d43065f29981