[INFO] fetching crate tinystd 0.2.0... [INFO] testing tinystd-0.2.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate tinystd 0.2.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate tinystd 0.2.0 [INFO] finished tweaking crates.io crate tinystd 0.2.0 [INFO] tweaked toml for crates.io crate tinystd 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate tinystd 0.2.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate tinystd 0.2.0 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9fc1192da0f1cf9e373efb768a8e1a1afa2efb01284903a82839ac74605a08b4 [INFO] running `Command { std: "docker" "start" "-a" "9fc1192da0f1cf9e373efb768a8e1a1afa2efb01284903a82839ac74605a08b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9fc1192da0f1cf9e373efb768a8e1a1afa2efb01284903a82839ac74605a08b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fc1192da0f1cf9e373efb768a8e1a1afa2efb01284903a82839ac74605a08b4", kill_on_drop: false }` [INFO] [stdout] 9fc1192da0f1cf9e373efb768a8e1a1afa2efb01284903a82839ac74605a08b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0ef6a09ef92702136674ba8328d75ddab3b859d0a47f228ad72718edecac254 [INFO] running `Command { std: "docker" "start" "-a" "a0ef6a09ef92702136674ba8328d75ddab3b859d0a47f228ad72718edecac254", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling tinystd v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashmap.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | for mut pair in &mut self.data { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rc.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&rc::Shared` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 95 - drop(inner); [INFO] [stdout] 95 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.10s [INFO] running `Command { std: "docker" "inspect" "a0ef6a09ef92702136674ba8328d75ddab3b859d0a47f228ad72718edecac254", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0ef6a09ef92702136674ba8328d75ddab3b859d0a47f228ad72718edecac254", kill_on_drop: false }` [INFO] [stdout] a0ef6a09ef92702136674ba8328d75ddab3b859d0a47f228ad72718edecac254 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff8f8bb49820036ecd2b107bcd40c5b8936b6f0b16c8756e807c08e2aed2880c [INFO] running `Command { std: "docker" "start" "-a" "ff8f8bb49820036ecd2b107bcd40c5b8936b6f0b16c8756e807c08e2aed2880c", kill_on_drop: false }` [INFO] [stderr] Compiling tinystd v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashmap.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | for mut pair in &mut self.data { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rc.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&rc::Shared` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 95 - drop(inner); [INFO] [stdout] 95 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/hashmap.rs:39:13 [INFO] [stdout] | [INFO] [stdout] 39 | for mut pair in &mut self.data { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stdout] --> src/rc.rs:95:13 [INFO] [stdout] | [INFO] [stdout] 95 | drop(inner); [INFO] [stdout] | ^^^^^-----^ [INFO] [stdout] | | [INFO] [stdout] | argument has type `&rc::Shared` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dropping_references)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the expression or result [INFO] [stdout] | [INFO] [stdout] 95 - drop(inner); [INFO] [stdout] 95 + let _ = inner; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s [INFO] running `Command { std: "docker" "inspect" "ff8f8bb49820036ecd2b107bcd40c5b8936b6f0b16c8756e807c08e2aed2880c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff8f8bb49820036ecd2b107bcd40c5b8936b6f0b16c8756e807c08e2aed2880c", kill_on_drop: false }` [INFO] [stdout] ff8f8bb49820036ecd2b107bcd40c5b8936b6f0b16c8756e807c08e2aed2880c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 519bb4b56f506880867887d268fe03fc2d110a578e974de125a8fca91a65c7d3 [INFO] running `Command { std: "docker" "start" "-a" "519bb4b56f506880867887d268fe03fc2d110a578e974de125a8fca91a65c7d3", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/hashmap.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | for mut pair in &mut self.data { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing [INFO] [stderr] --> src/rc.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | drop(inner); [INFO] [stderr] | ^^^^^-----^ [INFO] [stderr] | | [INFO] [stderr] | argument has type `&rc::Shared` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dropping_references)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the expression or result [INFO] [stderr] | [INFO] [stderr] 95 - drop(inner); [INFO] [stderr] 95 + let _ = inner; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `tinystd` (lib) generated 2 warnings (run `cargo fix --lib -p tinystd` to apply 1 suggestion) [INFO] [stderr] warning: `tinystd` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tinystd-522bec725593b3a8) [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test channel::tests::send_recv ... ok [INFO] [stdout] test sort::insertion::tests::not_smart_works ... ok [INFO] [stdout] test channel::tests::send_on_close ... ok [INFO] [stdout] test channel::tests::recv_on_close ... ok [INFO] [stdout] test sort::insertion::tests::smart_works ... ok [INFO] [stdout] test sort::quick::tests::it_works ... ok [INFO] [stdout] test sort::selection::tests::it_works ... ok [INFO] [stdout] test sort::tests::std ... ok [INFO] [stdout] test sort::bubble::tests::it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/benches/sorting.rs (/opt/rustwide/target/debug/deps/bench_sort-364e96f50b39cb42) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests tinystd [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/hashmap.rs - hashmap::HashMap::insert (line 95) ... ok [INFO] [stdout] test src/hashmap.rs - hashmap::HashMap::get (line 113) ... ok [INFO] [stdout] test src/hashmap.rs - hashmap::HashMap::remove (line 132) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "519bb4b56f506880867887d268fe03fc2d110a578e974de125a8fca91a65c7d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "519bb4b56f506880867887d268fe03fc2d110a578e974de125a8fca91a65c7d3", kill_on_drop: false }` [INFO] [stdout] 519bb4b56f506880867887d268fe03fc2d110a578e974de125a8fca91a65c7d3