[INFO] fetching crate mkserial 1.0.3...
[INFO] testing mkserial-1.0.3 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mkserial 1.0.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mkserial 1.0.3
[INFO] finished tweaking crates.io crate mkserial 1.0.3
[INFO] tweaked toml for crates.io crate mkserial 1.0.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mkserial 1.0.3 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mkserial 1.0.3 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c63448493b01cfb65fd4348af772df8b535e02669d40d24caeab6f24d023c89
[INFO] running `Command { std: "docker" "start" "-a" "2c63448493b01cfb65fd4348af772df8b535e02669d40d24caeab6f24d023c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c63448493b01cfb65fd4348af772df8b535e02669d40d24caeab6f24d023c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c63448493b01cfb65fd4348af772df8b535e02669d40d24caeab6f24d023c89", kill_on_drop: false }`
[INFO] [stdout] 2c63448493b01cfb65fd4348af772df8b535e02669d40d24caeab6f24d023c89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dead6adb57e7cc5585bfaab3042727039118ac16f0830ee9aa09ff3dbd146137
[INFO] running `Command { std: "docker" "start" "-a" "dead6adb57e7cc5585bfaab3042727039118ac16f0830ee9aa09ff3dbd146137", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mkserial v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.05s
[INFO] running `Command { std: "docker" "inspect" "dead6adb57e7cc5585bfaab3042727039118ac16f0830ee9aa09ff3dbd146137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dead6adb57e7cc5585bfaab3042727039118ac16f0830ee9aa09ff3dbd146137", kill_on_drop: false }`
[INFO] [stdout] dead6adb57e7cc5585bfaab3042727039118ac16f0830ee9aa09ff3dbd146137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf25e140daed970f0cb6c42acccec0b42a9f673f020aa58c390c3ad8ab44a443
[INFO] running `Command { std: "docker" "start" "-a" "bf25e140daed970f0cb6c42acccec0b42a9f673f020aa58c390c3ad8ab44a443", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling mkserial v1.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 34.46s
[INFO] running `Command { std: "docker" "inspect" "bf25e140daed970f0cb6c42acccec0b42a9f673f020aa58c390c3ad8ab44a443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf25e140daed970f0cb6c42acccec0b42a9f673f020aa58c390c3ad8ab44a443", kill_on_drop: false }`
[INFO] [stdout] bf25e140daed970f0cb6c42acccec0b42a9f673f020aa58c390c3ad8ab44a443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8c7d0736a35ab2be1afa8431d51cd3db2929b6127df707c3ac5681bae5f89765
[INFO] running `Command { std: "docker" "start" "-a" "8c7d0736a35ab2be1afa8431d51cd3db2929b6127df707c3ac5681bae5f89765", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mkserial-ecc268f733c993cd)
[INFO] [stderr]      Running tests/sample.rs (/opt/rustwide/target/debug/deps/sample-80038c3a9a822df5)
[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 2 tests
[INFO] [stdout] test sample_many ... ignored
[INFO] [stdout] test sample_few ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 31.79s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8c7d0736a35ab2be1afa8431d51cd3db2929b6127df707c3ac5681bae5f89765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c7d0736a35ab2be1afa8431d51cd3db2929b6127df707c3ac5681bae5f89765", kill_on_drop: false }`
[INFO] [stdout] 8c7d0736a35ab2be1afa8431d51cd3db2929b6127df707c3ac5681bae5f89765