[INFO] fetching crate istring 0.3.0... [INFO] testing istring-0.3.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate istring 0.3.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate istring 0.3.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate istring 0.3.0 [INFO] finished tweaking crates.io crate istring 0.3.0 [INFO] tweaked toml for crates.io crate istring 0.3.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 1e0bc9512cb51b4df9c36577be38bed4ef99a908aee856838ed9d4825149af4d [INFO] running `Command { std: "docker" "start" "-a" "1e0bc9512cb51b4df9c36577be38bed4ef99a908aee856838ed9d4825149af4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e0bc9512cb51b4df9c36577be38bed4ef99a908aee856838ed9d4825149af4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e0bc9512cb51b4df9c36577be38bed4ef99a908aee856838ed9d4825149af4d", kill_on_drop: false }` [INFO] [stdout] 1e0bc9512cb51b4df9c36577be38bed4ef99a908aee856838ed9d4825149af4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3902bc368491a2743af333a861fae6118254c193a1bbc13a8d0d8a4236049440 [INFO] running `Command { std: "docker" "start" "-a" "3902bc368491a2743af333a861fae6118254c193a1bbc13a8d0d8a4236049440", kill_on_drop: false }` [INFO] [stderr] Compiling istring v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::ptr::NonNull` [INFO] [stdout] --> src/istring.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use core::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ptr` [INFO] [stdout] --> src/small.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use core::{fmt, slice, str, convert, mem, cmp, ptr, hash}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/small.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | fn from(mut s: String) -> SmallString { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/istring.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/istring.rs:110:24 [INFO] [stdout] | [INFO] [stdout] 110 | union: unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MAX_CAPACITY` [INFO] [stdout] --> src/small.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | const MAX_CAPACITY: usize = (1 << 63) - 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.43s [INFO] running `Command { std: "docker" "inspect" "3902bc368491a2743af333a861fae6118254c193a1bbc13a8d0d8a4236049440", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3902bc368491a2743af333a861fae6118254c193a1bbc13a8d0d8a4236049440", kill_on_drop: false }` [INFO] [stdout] 3902bc368491a2743af333a861fae6118254c193a1bbc13a8d0d8a4236049440 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3377c7e28e9f43e3d085bed9ec210a0bbac108f75d792355cced36f6f8ea87ed [INFO] running `Command { std: "docker" "start" "-a" "3377c7e28e9f43e3d085bed9ec210a0bbac108f75d792355cced36f6f8ea87ed", kill_on_drop: false }` [INFO] [stderr] Compiling istring v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `core::ptr::NonNull` [INFO] [stdout] --> src/istring.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use core::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ptr` [INFO] [stdout] --> src/small.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use core::{fmt, slice, str, convert, mem, cmp, ptr, hash}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/small.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | fn from(mut s: String) -> SmallString { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/istring.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/istring.rs:110:24 [INFO] [stdout] | [INFO] [stdout] 110 | union: unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MAX_CAPACITY` [INFO] [stdout] --> src/small.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 18 | const MAX_CAPACITY: usize = (1 << 63) - 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `core::ptr::NonNull` [INFO] [stdout] --> src/istring.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use core::ptr::NonNull; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ptr` [INFO] [stdout] --> src/small.rs:1:48 [INFO] [stdout] | [INFO] [stdout] 1 | use core::{fmt, slice, str, convert, mem, cmp, ptr, hash}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/small.rs:131:13 [INFO] [stdout] | [INFO] [stdout] 131 | fn from(mut s: String) -> SmallString { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/istring.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/istring.rs:110:24 [INFO] [stdout] | [INFO] [stdout] 110 | union: unsafe { [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.78s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/istring-dc526f34e98138c1) [INFO] [stderr] Executable tests/misc.rs (/opt/rustwide/target/debug/deps/misc-21c791cd8a17442b) [INFO] [stderr] Executable tests/thread.rs (/opt/rustwide/target/debug/deps/thread-3ffa849f7d427ef0) [INFO] running `Command { std: "docker" "inspect" "3377c7e28e9f43e3d085bed9ec210a0bbac108f75d792355cced36f6f8ea87ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3377c7e28e9f43e3d085bed9ec210a0bbac108f75d792355cced36f6f8ea87ed", kill_on_drop: false }` [INFO] [stdout] 3377c7e28e9f43e3d085bed9ec210a0bbac108f75d792355cced36f6f8ea87ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9ba9a9ac0c5f5b96c69136693f073aaf6bc1cedbb237d3a5a3e7eeda218a5bcb [INFO] running `Command { std: "docker" "start" "-a" "9ba9a9ac0c5f5b96c69136693f073aaf6bc1cedbb237d3a5a3e7eeda218a5bcb", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `core::ptr::NonNull` [INFO] [stderr] --> src/istring.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use core::ptr::NonNull; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `ptr` [INFO] [stderr] --> src/small.rs:1:48 [INFO] [stderr] | [INFO] [stderr] 1 | use core::{fmt, slice, str, convert, mem, cmp, ptr, hash}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/small.rs:131:13 [INFO] [stderr] | [INFO] [stderr] 131 | fn from(mut s: String) -> SmallString { [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/istring.rs:96:9 [INFO] [stderr] | [INFO] [stderr] 96 | unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/istring.rs:110:24 [INFO] [stderr] | [INFO] [stderr] 110 | union: unsafe { [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `MAX_CAPACITY` [INFO] [stderr] --> src/small.rs:18:1 [INFO] [stderr] | [INFO] [stderr] 18 | const MAX_CAPACITY: usize = (1 << 63) - 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `istring` (lib) generated 6 warnings [INFO] [stderr] warning: `istring` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/istring-dc526f34e98138c1) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running tests/misc.rs (/opt/rustwide/target/debug/deps/misc-21c791cd8a17442b) [INFO] [stdout] test istring::test_layout ... ok [INFO] [stdout] test small::test_layout ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stderr] Running tests/thread.rs (/opt/rustwide/target/debug/deps/thread-3ffa849f7d427ef0) [INFO] [stdout] test test_misc_istring ... ok [INFO] [stdout] test test_misc_smallstring ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test test_thread ... ok [INFO] [stderr] Doc-tests istring [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "9ba9a9ac0c5f5b96c69136693f073aaf6bc1cedbb237d3a5a3e7eeda218a5bcb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ba9a9ac0c5f5b96c69136693f073aaf6bc1cedbb237d3a5a3e7eeda218a5bcb", kill_on_drop: false }` [INFO] [stdout] 9ba9a9ac0c5f5b96c69136693f073aaf6bc1cedbb237d3a5a3e7eeda218a5bcb