[INFO] fetching crate vboxhelper 0.2.0... [INFO] testing vboxhelper-0.2.0 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] extracting crate vboxhelper 0.2.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate vboxhelper 0.2.0 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vboxhelper 0.2.0 [INFO] finished tweaking crates.io crate vboxhelper 0.2.0 [INFO] tweaked toml for crates.io crate vboxhelper 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate vboxhelper 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 6977ae2f88382cdb3842a2ba11a000dcb941cae761e4def0849671ffd95e59e4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6977ae2f88382cdb3842a2ba11a000dcb941cae761e4def0849671ffd95e59e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6977ae2f88382cdb3842a2ba11a000dcb941cae761e4def0849671ffd95e59e4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6977ae2f88382cdb3842a2ba11a000dcb941cae761e4def0849671ffd95e59e4", kill_on_drop: false }` [INFO] [stdout] 6977ae2f88382cdb3842a2ba11a000dcb941cae761e4def0849671ffd95e59e4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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] 7466c6a0b7463e2ec850805bc41b2f7bc8df4ed244ac84c8483128b2bcf68f4c [INFO] running `Command { std: "docker" "start" "-a" "7466c6a0b7463e2ec850805bc41b2f7bc8df4ed244ac84c8483128b2bcf68f4c", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling uuid v0.8.1 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling eui48 v1.1.0 [INFO] [stderr] Compiling vboxhelper v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `re_ml1` [INFO] [stdout] --> src/lib.rs:207:7 [INFO] [stdout] | [INFO] [stdout] 207 | let re_ml1 = Regex::new(r#"^(?P[^"=]+)="(?P[^"=]*)"$"#).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `re_ml1` [INFO] [stdout] --> src/lib.rs:208:7 [INFO] [stdout] | [INFO] [stdout] 208 | let re_ml1 = Regex::new(r#"^"(?P[^"=]+)"="(?P[^"=]*)"$"#).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `root_uuid` is never read [INFO] [stdout] --> src/snapshot.rs:200:11 [INFO] [stdout] | [INFO] [stdout] 200 | let mut root_uuid: Option = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_uuid` is never read [INFO] [stdout] --> src/snapshot.rs:201:11 [INFO] [stdout] | [INFO] [stdout] 201 | let mut current_uuid: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Keep` [INFO] [stdout] --> src/strutils.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | Keep, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.61s [INFO] running `Command { std: "docker" "inspect" "7466c6a0b7463e2ec850805bc41b2f7bc8df4ed244ac84c8483128b2bcf68f4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7466c6a0b7463e2ec850805bc41b2f7bc8df4ed244ac84c8483128b2bcf68f4c", kill_on_drop: false }` [INFO] [stdout] 7466c6a0b7463e2ec850805bc41b2f7bc8df4ed244ac84c8483128b2bcf68f4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d764d33b524b9b754db19ff97aa4e1aad0750b3de6815b24b35dc7e61092e8b4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d764d33b524b9b754db19ff97aa4e1aad0750b3de6815b24b35dc7e61092e8b4", kill_on_drop: false }` [INFO] [stderr] Compiling vboxhelper v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `re_ml1` [INFO] [stdout] --> src/lib.rs:207:7 [INFO] [stdout] | [INFO] [stdout] 207 | let re_ml1 = Regex::new(r#"^(?P[^"=]+)="(?P[^"=]*)"$"#).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `re_ml1` [INFO] [stdout] --> src/lib.rs:208:7 [INFO] [stdout] | [INFO] [stdout] 208 | let re_ml1 = Regex::new(r#"^"(?P[^"=]+)"="(?P[^"=]*)"$"#).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `root_uuid` is never read [INFO] [stdout] --> src/snapshot.rs:200:11 [INFO] [stdout] | [INFO] [stdout] 200 | let mut root_uuid: Option = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_uuid` is never read [INFO] [stdout] --> src/snapshot.rs:201:11 [INFO] [stdout] | [INFO] [stdout] 201 | let mut current_uuid: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Keep` [INFO] [stdout] --> src/strutils.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | Keep, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `re_ml1` [INFO] [stdout] --> src/lib.rs:207:7 [INFO] [stdout] | [INFO] [stdout] 207 | let re_ml1 = Regex::new(r#"^(?P[^"=]+)="(?P[^"=]*)"$"#).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `re_ml1` [INFO] [stdout] --> src/lib.rs:208:7 [INFO] [stdout] | [INFO] [stdout] 208 | let re_ml1 = Regex::new(r#"^"(?P[^"=]+)"="(?P[^"=]*)"$"#).unwrap(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `root_uuid` is never read [INFO] [stdout] --> src/snapshot.rs:200:11 [INFO] [stdout] | [INFO] [stdout] 200 | let mut root_uuid: Option = None; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_uuid` is never read [INFO] [stdout] --> src/snapshot.rs:201:11 [INFO] [stdout] | [INFO] [stdout] 201 | let mut current_uuid: Option = None; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Keep` [INFO] [stdout] --> src/strutils.rs:3:3 [INFO] [stdout] | [INFO] [stdout] 3 | Keep, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.62s [INFO] running `Command { std: "docker" "inspect" "d764d33b524b9b754db19ff97aa4e1aad0750b3de6815b24b35dc7e61092e8b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d764d33b524b9b754db19ff97aa4e1aad0750b3de6815b24b35dc7e61092e8b4", kill_on_drop: false }` [INFO] [stdout] d764d33b524b9b754db19ff97aa4e1aad0750b3de6815b24b35dc7e61092e8b4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e30290f52eaf3119554981c91a85258328b8e23a66afed01049ec042a28380e9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e30290f52eaf3119554981c91a85258328b8e23a66afed01049ec042a28380e9", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `re_ml1` [INFO] [stderr] --> src/lib.rs:207:7 [INFO] [stderr] | [INFO] [stderr] 207 | let re_ml1 = Regex::new(r#"^(?P[^"=]+)="(?P[^"=]*)"$"#).unwrap(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `re_ml1` [INFO] [stderr] --> src/lib.rs:208:7 [INFO] [stderr] | [INFO] [stderr] 208 | let re_ml1 = Regex::new(r#"^"(?P[^"=]+)"="(?P[^"=]*)"$"#).unwrap(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `root_uuid` is never read [INFO] [stderr] --> src/snapshot.rs:200:11 [INFO] [stderr] | [INFO] [stderr] 200 | let mut root_uuid: Option = None; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `current_uuid` is never read [INFO] [stderr] --> src/snapshot.rs:201:11 [INFO] [stderr] | [INFO] [stderr] 201 | let mut current_uuid: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Keep` [INFO] [stderr] --> src/strutils.rs:3:3 [INFO] [stderr] | [INFO] [stderr] 3 | Keep, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `re_ml1` [INFO] [stderr] --> src/lib.rs:207:7 [INFO] [stderr] | [INFO] [stderr] 207 | let re_ml1 = Regex::new(r#"^(?P[^"=]+)="(?P[^"=]*)"$"#).unwrap(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `re_ml1` [INFO] [stderr] --> src/lib.rs:208:7 [INFO] [stderr] | [INFO] [stderr] 208 | let re_ml1 = Regex::new(r#"^"(?P[^"=]+)"="(?P[^"=]*)"$"#).unwrap(); [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_re_ml1` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `root_uuid` is never read [INFO] [stderr] --> src/snapshot.rs:200:11 [INFO] [stderr] | [INFO] [stderr] 200 | let mut root_uuid: Option = None; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: value assigned to `current_uuid` is never read [INFO] [stderr] --> src/snapshot.rs:201:11 [INFO] [stderr] | [INFO] [stderr] 201 | let mut current_uuid: Option = None; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Keep` [INFO] [stderr] --> src/strutils.rs:3:3 [INFO] [stderr] | [INFO] [stderr] 3 | Keep, [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/vboxhelper-62fe35d6ec38a864) [INFO] [stderr] Doc-tests vboxhelper [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] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - wait_for_croak (line 387) ... ok [INFO] [stdout] test src/lib.rs - (line 13) ... ok [INFO] [stdout] test src/vmid.rs - vmid::VmId (line 17) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.28s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e30290f52eaf3119554981c91a85258328b8e23a66afed01049ec042a28380e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e30290f52eaf3119554981c91a85258328b8e23a66afed01049ec042a28380e9", kill_on_drop: false }` [INFO] [stdout] e30290f52eaf3119554981c91a85258328b8e23a66afed01049ec042a28380e9