[INFO] fetching crate bitlab 1.0.0...
[INFO] testing bitlab-1.0.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate bitlab 1.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate bitlab 1.0.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bitlab 1.0.0
[INFO] finished tweaking crates.io crate bitlab 1.0.0
[INFO] tweaked toml for crates.io crate bitlab 1.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate bitlab 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0264b6ea81119358797565e5ad3678bd45b2ceaff475f6a6f14013ec693a871
[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" "f0264b6ea81119358797565e5ad3678bd45b2ceaff475f6a6f14013ec693a871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0264b6ea81119358797565e5ad3678bd45b2ceaff475f6a6f14013ec693a871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0264b6ea81119358797565e5ad3678bd45b2ceaff475f6a6f14013ec693a871", kill_on_drop: false }`
[INFO] [stdout] f0264b6ea81119358797565e5ad3678bd45b2ceaff475f6a6f14013ec693a871
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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] 606650d94cb8534583806101781b24cedf58dc8a80692e38d2a89ff35946163e
[INFO] running `Command { std: "docker" "start" "-a" "606650d94cb8534583806101781b24cedf58dc8a80692e38d2a89ff35946163e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling bitlab v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.42s
[INFO] running `Command { std: "docker" "inspect" "606650d94cb8534583806101781b24cedf58dc8a80692e38d2a89ff35946163e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "606650d94cb8534583806101781b24cedf58dc8a80692e38d2a89ff35946163e", kill_on_drop: false }`
[INFO] [stdout] 606650d94cb8534583806101781b24cedf58dc8a80692e38d2a89ff35946163e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ae9b3b0015210fa8de44eacae3e9f6c5b61d4713e29ae501d2c8adaacce1256
[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" "7ae9b3b0015210fa8de44eacae3e9f6c5b61d4713e29ae501d2c8adaacce1256", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitlab v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "7ae9b3b0015210fa8de44eacae3e9f6c5b61d4713e29ae501d2c8adaacce1256", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae9b3b0015210fa8de44eacae3e9f6c5b61d4713e29ae501d2c8adaacce1256", kill_on_drop: false }`
[INFO] [stdout] 7ae9b3b0015210fa8de44eacae3e9f6c5b61d4713e29ae501d2c8adaacce1256
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", 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] 4e1937b8f51c76e3580e8f60c8d47b61134021160f67a08a1a0148a600945982
[INFO] running `Command { std: "docker" "start" "-a" "4e1937b8f51c76e3580e8f60c8d47b61134021160f67a08a1a0148a600945982", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/bitlab-927350174d83e56d
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u16 ... ok
[INFO] [stdout] test tests::inserting_8_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u8 ... ok
[INFO] [stdout] test tests::inserting_64_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::correct_results ... ok
[INFO] [stdout] test tests::test_number_of_bits_required_for_a_singed_integer ... ok
[INFO] [stdout] test tests::test_number_of_bits_required_for_an_unsinged_integer ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u32 ... ok
[INFO] [stdout] test tests::inserting_16_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::range_checks_for_vec_u8 ... ok
[INFO] [stdout] test tests::extract_from_vector ... ok
[INFO] [stdout] test tests::single_bits ... ok
[INFO] [stdout] test tests::source_must_not_change ... ok
[INFO] [stdout] test tests::range_checks_for_integrals ... ok
[INFO] [stdout] test tests::inserting_into_a_vector ... ok
[INFO] [stdout] test tests::inserting_32_bit_vars_into_u64 ... ok
[INFO] [stdout] test tests::panics_as_expected ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-1d70300c511d411b
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test integration_tests ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bitlab
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/lib.rs - (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 26) ... ok
[INFO] [stdout] test src/lib.rs - (line 68) ... ok
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e1937b8f51c76e3580e8f60c8d47b61134021160f67a08a1a0148a600945982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e1937b8f51c76e3580e8f60c8d47b61134021160f67a08a1a0148a600945982", kill_on_drop: false }`
[INFO] [stdout] 4e1937b8f51c76e3580e8f60c8d47b61134021160f67a08a1a0148a600945982