[INFO] fetching crate integer-encoding 3.0.3...
[INFO] testing integer-encoding-3.0.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate integer-encoding 3.0.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate integer-encoding 3.0.3 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate integer-encoding 3.0.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate integer-encoding 3.0.3
[INFO] tweaked toml for crates.io crate integer-encoding 3.0.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate integer-encoding 3.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e52e914ffb4e57ac491a447cabdd5ab56e8295d3bc07a977a132f1a47c594a31
[INFO] running `Command { std: "docker" "start" "-a" "e52e914ffb4e57ac491a447cabdd5ab56e8295d3bc07a977a132f1a47c594a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e52e914ffb4e57ac491a447cabdd5ab56e8295d3bc07a977a132f1a47c594a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e52e914ffb4e57ac491a447cabdd5ab56e8295d3bc07a977a132f1a47c594a31", kill_on_drop: false }`
[INFO] [stdout] e52e914ffb4e57ac491a447cabdd5ab56e8295d3bc07a977a132f1a47c594a31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b226fbd22e782eaac84abc0da47bac52d755db2f03561d5f99452c7590c45ae
[INFO] running `Command { std: "docker" "start" "-a" "0b226fbd22e782eaac84abc0da47bac52d755db2f03561d5f99452c7590c45ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling integer-encoding v3.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "0b226fbd22e782eaac84abc0da47bac52d755db2f03561d5f99452c7590c45ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b226fbd22e782eaac84abc0da47bac52d755db2f03561d5f99452c7590c45ae", kill_on_drop: false }`
[INFO] [stdout] 0b226fbd22e782eaac84abc0da47bac52d755db2f03561d5f99452c7590c45ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d62d0eed9f1aa3048b08ca8152161b07a772badfdcc23e4bd7c2d4682c40aeb1
[INFO] running `Command { std: "docker" "start" "-a" "d62d0eed9f1aa3048b08ca8152161b07a772badfdcc23e4bd7c2d4682c40aeb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling tokio v1.15.0
[INFO] [stderr]    Compiling integer-encoding v3.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/varint_tests.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let mut encoded: Vec<u8> = (0x112233 as u64).encode_var_vec();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "d62d0eed9f1aa3048b08ca8152161b07a772badfdcc23e4bd7c2d4682c40aeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62d0eed9f1aa3048b08ca8152161b07a772badfdcc23e4bd7c2d4682c40aeb1", kill_on_drop: false }`
[INFO] [stdout] d62d0eed9f1aa3048b08ca8152161b07a772badfdcc23e4bd7c2d4682c40aeb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebdee736790fd7e74e10488753c8c1db519b1874854fc2ac369e658765ea4f7a
[INFO] running `Command { std: "docker" "start" "-a" "ebdee736790fd7e74e10488753c8c1db519b1874854fc2ac369e658765ea4f7a", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 23 tests
[INFO] [stderr]    --> src/varint_tests.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let mut encoded: Vec<u8> = (0x112233 as u64).encode_var_vec();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `integer-encoding` (lib test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/integer_encoding-527e7bd451491d78)
[INFO] [stdout] test fixed_tests::tests::test_all_identity ... ok
[INFO] [stdout] test fixed_tests::tests::test_u16_enc ... ok
[INFO] [stdout] test fixed_tests::tests::test_u32_enc ... ok
[INFO] [stdout] test fixed_tests::tests::test_i32_enc_light ... ok
[INFO] [stdout] test fixed_tests::tests::test_i16_enc ... ok
[INFO] [stdout] test fixed_tests::tests::test_i32_enc ... ok
[INFO] [stdout] test fixed_tests::tests::test_reader_writer ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_extra_bytes_i64 ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_extra_bytes_u64 ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_max_i64 ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_min_i64 ... ok
[INFO] [stdout] test varint_tests::tests::test_decode_max_u64 ... ok
[INFO] [stdout] test varint_tests::tests::test_encode_i16 ... ok
[INFO] [stdout] test varint_tests::tests::test_encode_i64 ... ok
[INFO] [stdout] test varint_tests::tests::test_encode_u64 ... ok
[INFO] [stdout] test varint_tests::tests::test_reader_writer ... ok
[INFO] [stdout] test varint_tests::tests::test_identity_u64 ... ok
[INFO] [stdout] test varint_tests::tests::test_required_space ... ok
[INFO] [stdout] test varint_tests::tests::test_regression_22 ... ok
[INFO] [stdout] test varint_tests::tests::test_unterminated_varint ... ok
[INFO] [stdout] test varint_tests::tests::test_unterminated_varint_2 ... ok
[INFO] [stderr]    Doc-tests integer-encoding
[INFO] [stdout] test fixed_tests::tests::test_invalid_decode_size - should panic ... ok
[INFO] [stdout] test fixed_tests::tests::test_invalid_encode_size - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebdee736790fd7e74e10488753c8c1db519b1874854fc2ac369e658765ea4f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdee736790fd7e74e10488753c8c1db519b1874854fc2ac369e658765ea4f7a", kill_on_drop: false }`
[INFO] [stdout] ebdee736790fd7e74e10488753c8c1db519b1874854fc2ac369e658765ea4f7a