[INFO] fetching crate mlg 0.1.1...
[INFO] testing mlg-0.1.1 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate mlg 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate mlg 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mlg 0.1.1
[INFO] tweaked toml for crates.io crate mlg 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mlg 0.1.1 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 77 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1034fa646a980a8b4c798607f50ed1e80f541e2943b424659db586b2f4884382
[INFO] running `Command { std: "docker" "start" "-a" "1034fa646a980a8b4c798607f50ed1e80f541e2943b424659db586b2f4884382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1034fa646a980a8b4c798607f50ed1e80f541e2943b424659db586b2f4884382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1034fa646a980a8b4c798607f50ed1e80f541e2943b424659db586b2f4884382", kill_on_drop: false }`
[INFO] [stdout] 1034fa646a980a8b4c798607f50ed1e80f541e2943b424659db586b2f4884382
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8207f5c24aea4f185c0009fe102bb52548b2a2155ccfe7f2fe30eb0d44b5468
[INFO] running `Command { std: "docker" "start" "-a" "e8207f5c24aea4f185c0009fe102bb52548b2a2155ccfe7f2fe30eb0d44b5468", kill_on_drop: false }`
[INFO] [stderr]    Compiling mlg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "e8207f5c24aea4f185c0009fe102bb52548b2a2155ccfe7f2fe30eb0d44b5468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8207f5c24aea4f185c0009fe102bb52548b2a2155ccfe7f2fe30eb0d44b5468", kill_on_drop: false }`
[INFO] [stdout] e8207f5c24aea4f185c0009fe102bb52548b2a2155ccfe7f2fe30eb0d44b5468
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be1b659b19ff56cff55de2a9d1390a175f7b5eca4f4e5179c689907736bbde42
[INFO] running `Command { std: "docker" "start" "-a" "be1b659b19ff56cff55de2a9d1390a175f7b5eca4f4e5179c689907736bbde42", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling mlg v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.63s
[INFO] running `Command { std: "docker" "inspect" "be1b659b19ff56cff55de2a9d1390a175f7b5eca4f4e5179c689907736bbde42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be1b659b19ff56cff55de2a9d1390a175f7b5eca4f4e5179c689907736bbde42", kill_on_drop: false }`
[INFO] [stdout] be1b659b19ff56cff55de2a9d1390a175f7b5eca4f4e5179c689907736bbde42
[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=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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f32831fe40343b60336739ae736da44c7e1f8d45dec0ce45feb36bf9ba7d31ae
[INFO] running `Command { std: "docker" "start" "-a" "f32831fe40343b60336739ae736da44c7e1f8d45dec0ce45feb36bf9ba7d31ae", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mlg-6cff3f3e00d5f6b3)
[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]      Running test/test.rs (/opt/rustwide/target/debug/deps/test-32e0867fa44dc8c4)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_append ... ok
[INFO] [stdout] test the_next_offset_is_returned_correctly ... ok
[INFO] [stdout] test test_batch_read_less_records_than_requested ... ok
[INFO] [stdout] test test_write_read_consistency ... ok
[INFO] [stdout] test test_read_two_records ... ok
[INFO] [stdout] test test_concurrent_reads_after_write ... ok
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] test test_concurrent_writes ... ok
[INFO] [stdout] test test_batch_read_data_integrity_and_order ... ok
[INFO] [stdout] test test_batch_read_exact_number_of_requested_records ... ok
[INFO] [stdout] test test_batch_read_when_no_records_exist_returns_error ... ok
[INFO] [stderr]    Doc-tests mlg
[INFO] [stdout] test test_batch_read_when_more_records_exist_than_requested ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[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" "f32831fe40343b60336739ae736da44c7e1f8d45dec0ce45feb36bf9ba7d31ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f32831fe40343b60336739ae736da44c7e1f8d45dec0ce45feb36bf9ba7d31ae", kill_on_drop: false }`
[INFO] [stdout] f32831fe40343b60336739ae736da44c7e1f8d45dec0ce45feb36bf9ba7d31ae