[INFO] fetching crate slabruntime 0.1.0...
[INFO] testing slabruntime-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate slabruntime 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate slabruntime 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate slabruntime 0.1.0
[INFO] tweaked toml for crates.io crate slabruntime 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate slabruntime 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slabruntime 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd4dcaec3e582b2cadff838060954a579bfba03cf344144bcc7ea89c0799bf65
[INFO] running `Command { std: "docker" "start" "-a" "cd4dcaec3e582b2cadff838060954a579bfba03cf344144bcc7ea89c0799bf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd4dcaec3e582b2cadff838060954a579bfba03cf344144bcc7ea89c0799bf65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4dcaec3e582b2cadff838060954a579bfba03cf344144bcc7ea89c0799bf65", kill_on_drop: false }`
[INFO] [stdout] cd4dcaec3e582b2cadff838060954a579bfba03cf344144bcc7ea89c0799bf65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06693586d0f4e6737b6d065bb255158fd8de6745db9dab6faf3738368859d51
[INFO] running `Command { std: "docker" "start" "-a" "a06693586d0f4e6737b6d065bb255158fd8de6745db9dab6faf3738368859d51", kill_on_drop: false }`
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling pkg-config v0.3.30
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling rusb v0.9.4
[INFO] [stderr]    Compiling cc v1.1.18
[INFO] [stderr]    Compiling libusb1-sys v0.7.0
[INFO] [stderr]    Compiling slabruntime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `CP2101_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const CP2101_PARTNUM: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2102_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const CP2102_PARTNUM: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2103_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const CP2103_PARTNUM: u8 = 0x03;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2104_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const CP2104_PARTNUM: u8 = 0x04;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2105_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const CP2105_PARTNUM: u8 = 0x05;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2108_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const CP2108_PARTNUM: u8 = 0x08;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "a06693586d0f4e6737b6d065bb255158fd8de6745db9dab6faf3738368859d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06693586d0f4e6737b6d065bb255158fd8de6745db9dab6faf3738368859d51", kill_on_drop: false }`
[INFO] [stdout] a06693586d0f4e6737b6d065bb255158fd8de6745db9dab6faf3738368859d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ddbf4abb3a553bd4434120a1547bd7c7d114f33107fe7daf2780815ad2f7fac
[INFO] running `Command { std: "docker" "start" "-a" "7ddbf4abb3a553bd4434120a1547bd7c7d114f33107fe7daf2780815ad2f7fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling slabruntime v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `CP2101_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const CP2101_PARTNUM: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2102_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const CP2102_PARTNUM: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2103_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const CP2103_PARTNUM: u8 = 0x03;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2104_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const CP2104_PARTNUM: u8 = 0x04;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2105_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const CP2105_PARTNUM: u8 = 0x05;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2108_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const CP2108_PARTNUM: u8 = 0x08;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2101_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub const CP2101_PARTNUM: u8 = 0x01;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2102_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub const CP2102_PARTNUM: u8 = 0x02;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2103_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub const CP2103_PARTNUM: u8 = 0x03;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2104_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const CP2104_PARTNUM: u8 = 0x04;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2105_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:17:11
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub const CP2105_PARTNUM: u8 = 0x05;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CP2108_PARTNUM` is never used
[INFO] [stdout]   --> src/constants.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const CP2108_PARTNUM: u8 = 0x08;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "7ddbf4abb3a553bd4434120a1547bd7c7d114f33107fe7daf2780815ad2f7fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ddbf4abb3a553bd4434120a1547bd7c7d114f33107fe7daf2780815ad2f7fac", kill_on_drop: false }`
[INFO] [stdout] 7ddbf4abb3a553bd4434120a1547bd7c7d114f33107fe7daf2780815ad2f7fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eb4587727d1e383ec37eab85e37c79a48f60b572a3ee5d1819a54ffa3e6c8baf
[INFO] running `Command { std: "docker" "start" "-a" "eb4587727d1e383ec37eab85e37c79a48f60b572a3ee5d1819a54ffa3e6c8baf", kill_on_drop: false }`
[INFO] [stderr] warning: constant `CP2101_PARTNUM` is never used
[INFO] [stderr]   --> src/constants.rs:13:11
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub const CP2101_PARTNUM: u8 = 0x01;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CP2102_PARTNUM` is never used
[INFO] [stderr]   --> src/constants.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub const CP2102_PARTNUM: u8 = 0x02;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CP2103_PARTNUM` is never used
[INFO] [stderr]   --> src/constants.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub const CP2103_PARTNUM: u8 = 0x03;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CP2104_PARTNUM` is never used
[INFO] [stderr]   --> src/constants.rs:16:11
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub const CP2104_PARTNUM: u8 = 0x04;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CP2105_PARTNUM` is never used
[INFO] [stderr]   --> src/constants.rs:17:11
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub const CP2105_PARTNUM: u8 = 0x05;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CP2108_PARTNUM` is never used
[INFO] [stderr]   --> src/constants.rs:18:11
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub const CP2108_PARTNUM: u8 = 0x08;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `slabruntime` (lib) generated 6 warnings
[INFO] [stderr] warning: `slabruntime` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/slabruntime-116d57a9b9c90035)
[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 slabruntime
[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" "eb4587727d1e383ec37eab85e37c79a48f60b572a3ee5d1819a54ffa3e6c8baf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4587727d1e383ec37eab85e37c79a48f60b572a3ee5d1819a54ffa3e6c8baf", kill_on_drop: false }`
[INFO] [stdout] eb4587727d1e383ec37eab85e37c79a48f60b572a3ee5d1819a54ffa3e6c8baf