[INFO] fetching crate unshare 0.7.0... [INFO] testing unshare-0.7.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate unshare 0.7.0 into /workspace/builds/worker-4-tc1/source [INFO] started tweaking crates.io crate unshare 0.7.0 [INFO] finished tweaking crates.io crate unshare 0.7.0 [INFO] tweaked toml for crates.io crate unshare 0.7.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate unshare 0.7.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate unshare 0.7.0 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded argparse v0.2.2 [INFO] [stderr] Downloaded libc v0.2.94 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 443397ea9b1734f865e91cac404ae6aac44e2168914b9b4760f95676a7802993 [INFO] running `Command { std: "docker" "start" "-a" "443397ea9b1734f865e91cac404ae6aac44e2168914b9b4760f95676a7802993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "443397ea9b1734f865e91cac404ae6aac44e2168914b9b4760f95676a7802993", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "443397ea9b1734f865e91cac404ae6aac44e2168914b9b4760f95676a7802993", kill_on_drop: false }` [INFO] [stdout] 443397ea9b1734f865e91cac404ae6aac44e2168914b9b4760f95676a7802993 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c028c75b7699230907d9ed6b0b83164b804b748f45bd5a1ea0c2d9589a643a91 [INFO] running `Command { std: "docker" "start" "-a" "c028c75b7699230907d9ed6b0b83164b804b748f45bd5a1ea0c2d9589a643a91", kill_on_drop: false }` [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling nix v0.20.0 [INFO] [stderr] Compiling unshare v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/error.rs:93:28 [INFO] [stdout] | [INFO] [stdout] 93 | BeforeUnfreeze(Box), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - BeforeUnfreeze(Box), [INFO] [stdout] 93 + BeforeUnfreeze(Box), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/child.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 294 | extern { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:75:25 [INFO] [stdout] | [INFO] [stdout] 75 | type BoxError = Box; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 75 - type BoxError = Box; [INFO] [stdout] 75 + type BoxError = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fd_lookup` is never read [INFO] [stdout] --> src/run.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct ChildInfo<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub fd_lookup: &'a HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.11s [INFO] running `Command { std: "docker" "inspect" "c028c75b7699230907d9ed6b0b83164b804b748f45bd5a1ea0c2d9589a643a91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c028c75b7699230907d9ed6b0b83164b804b748f45bd5a1ea0c2d9589a643a91", kill_on_drop: false }` [INFO] [stdout] c028c75b7699230907d9ed6b0b83164b804b748f45bd5a1ea0c2d9589a643a91 [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c2d38937ee93c41de14776ab714deb12ec39cd4c30e040c7830892573c0d782b [INFO] running `Command { std: "docker" "start" "-a" "c2d38937ee93c41de14776ab714deb12ec39cd4c30e040c7830892573c0d782b", kill_on_drop: false }` [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling argparse v0.2.2 [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/error.rs:93:28 [INFO] [stdout] | [INFO] [stdout] 93 | BeforeUnfreeze(Box), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - BeforeUnfreeze(Box), [INFO] [stdout] 93 + BeforeUnfreeze(Box), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/child.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 294 | extern { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:75:25 [INFO] [stdout] | [INFO] [stdout] 75 | type BoxError = Box; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 75 - type BoxError = Box; [INFO] [stdout] 75 + type BoxError = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fd_lookup` is never read [INFO] [stdout] --> src/run.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct ChildInfo<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub fd_lookup: &'a HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [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 unshare v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/error.rs:93:28 [INFO] [stdout] | [INFO] [stdout] 93 | BeforeUnfreeze(Box), [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 93 - BeforeUnfreeze(Box), [INFO] [stdout] 93 + BeforeUnfreeze(Box), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stdout] --> src/child.rs:294:5 [INFO] [stdout] | [INFO] [stdout] 294 | extern { [INFO] [stdout] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(missing_abi)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:75:25 [INFO] [stdout] | [INFO] [stdout] 75 | type BoxError = Box; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 75 - type BoxError = Box; [INFO] [stdout] 75 + type BoxError = Box; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `fd_lookup` is never read [INFO] [stdout] --> src/run.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 37 | pub struct ChildInfo<'a> { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 49 | pub fd_lookup: &'a HashMap, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.18s [INFO] running `Command { std: "docker" "inspect" "c2d38937ee93c41de14776ab714deb12ec39cd4c30e040c7830892573c0d782b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c2d38937ee93c41de14776ab714deb12ec39cd4c30e040c7830892573c0d782b", kill_on_drop: false }` [INFO] [stdout] c2d38937ee93c41de14776ab714deb12ec39cd4c30e040c7830892573c0d782b [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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e5b469942cc3ce322b8bfca3e725d18e61da2bced1cdec767f460e659dd78c52 [INFO] running `Command { std: "docker" "start" "-a" "e5b469942cc3ce322b8bfca3e725d18e61da2bced1cdec767f460e659dd78c52", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stdout] [INFO] [stderr] --> src/error.rs:93:28 [INFO] [stdout] running 6 tests [INFO] [stderr] | [INFO] [stderr] 93 | BeforeUnfreeze(Box), [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 93 - BeforeUnfreeze(Box), [INFO] [stderr] 93 + BeforeUnfreeze(Box), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `extern` declarations without an explicit ABI are deprecated [INFO] [stderr] --> src/child.rs:294:5 [INFO] [stderr] | [INFO] [stderr] 294 | extern { [INFO] [stderr] | ^^^^^^ help: explicitly specify the "C" ABI: `extern "C"` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(missing_abi)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:75:25 [INFO] [stderr] | [INFO] [stderr] 75 | type BoxError = Box; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 75 - type BoxError = Box; [INFO] [stderr] 75 + type BoxError = Box; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: field `fd_lookup` is never read [INFO] [stderr] --> src/run.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 37 | pub struct ChildInfo<'a> { [INFO] [stderr] | --------- field in this struct [INFO] [stderr] ... [INFO] [stderr] 49 | pub fd_lookup: &'a HashMap, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `unshare` (lib) generated 4 warnings (run `cargo fix --lib -p unshare` to apply 3 suggestions) [INFO] [stderr] warning: `unshare` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unshare-525e09866a02ca36) [INFO] [stdout] test child::test::test_format ... ok [INFO] [stdout] test debug::test::test_comprehensive ... ok [INFO] [stdout] test debug::test::test_no_env ... ok [INFO] [stdout] test debug::test::test_pretty ... ok [INFO] [stdout] test debug::test::test_debug ... ok [INFO] [stdout] test child::test::test_random ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s [INFO] [stdout] [INFO] [stderr] Doc-tests unshare [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/error.rs:93:28 [INFO] [stderr] | [INFO] [stderr] 93 | BeforeUnfreeze(Box), [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 93 - BeforeUnfreeze(Box), [INFO] [stderr] 93 + BeforeUnfreeze(Box), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/lib.rs:75:25 [INFO] [stderr] | [INFO] [stderr] 75 | type BoxError = Box; [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 75 - type BoxError = Box; [INFO] [stderr] 75 + type BoxError = Box; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/linux.rs - linux::Command::env_var_with_pid (line 258) ... ignored [INFO] [stdout] test src/zombies.rs - zombies::child_events (line 142) ... ignored [INFO] [stdout] test src/zombies.rs - zombies::reap_zombies (line 58) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e5b469942cc3ce322b8bfca3e725d18e61da2bced1cdec767f460e659dd78c52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e5b469942cc3ce322b8bfca3e725d18e61da2bced1cdec767f460e659dd78c52", kill_on_drop: false }` [INFO] [stdout] e5b469942cc3ce322b8bfca3e725d18e61da2bced1cdec767f460e659dd78c52