[INFO] fetching crate byte-slice 0.1.12...
[INFO] testing byte-slice-0.1.12 against 1.55.0 for beta-1.56-1
[INFO] extracting crate byte-slice 0.1.12 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate byte-slice 0.1.12 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byte-slice 0.1.12
[INFO] finished tweaking crates.io crate byte-slice 0.1.12
[INFO] tweaked toml for crates.io crate byte-slice 0.1.12 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a01762443ccc790ed96d00ab68568d15468cb130c5582d6538225f217f4b373
[INFO] running `Command { std: "docker" "start" "-a" "8a01762443ccc790ed96d00ab68568d15468cb130c5582d6538225f217f4b373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a01762443ccc790ed96d00ab68568d15468cb130c5582d6538225f217f4b373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a01762443ccc790ed96d00ab68568d15468cb130c5582d6538225f217f4b373", kill_on_drop: false }`
[INFO] [stdout] 8a01762443ccc790ed96d00ab68568d15468cb130c5582d6538225f217f4b373
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc96135be6f7b7340ba9cfe0a267c53758a4ac5bde7c93deaa0bc11f39f58d91
[INFO] running `Command { std: "docker" "start" "-a" "dc96135be6f7b7340ba9cfe0a267c53758a4ac5bde7c93deaa0bc11f39f58d91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byte-slice v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
[INFO] running `Command { std: "docker" "inspect" "dc96135be6f7b7340ba9cfe0a267c53758a4ac5bde7c93deaa0bc11f39f58d91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc96135be6f7b7340ba9cfe0a267c53758a4ac5bde7c93deaa0bc11f39f58d91", kill_on_drop: false }`
[INFO] [stdout] dc96135be6f7b7340ba9cfe0a267c53758a4ac5bde7c93deaa0bc11f39f58d91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2d4967babf50d5c08e43c309812e42b37f3cc0a99f73690093f5b7bffa5e9d6
[INFO] running `Command { std: "docker" "start" "-a" "a2d4967babf50d5c08e43c309812e42b37f3cc0a99f73690093f5b7bffa5e9d6", 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] [stderr]    Compiling byte-slice v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]   --> src/test.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |     bs_collect_digits8!(c, v, break,
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]    --> src/test.rs:140:29
[INFO] [stdout]     |
[INFO] [stdout] 140 |     bs_collect_digits16!(c, v, break,
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]    --> src/test.rs:197:29
[INFO] [stdout]     |
[INFO] [stdout] 197 |     bs_collect_digits32!(c, v, break,
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `v` is never read
[INFO] [stdout]    --> src/test.rs:254:29
[INFO] [stdout]     |
[INFO] [stdout] 254 |     bs_collect_digits64!(c, v, break,
[INFO] [stdout]     |                             ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "a2d4967babf50d5c08e43c309812e42b37f3cc0a99f73690093f5b7bffa5e9d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d4967babf50d5c08e43c309812e42b37f3cc0a99f73690093f5b7bffa5e9d6", kill_on_drop: false }`
[INFO] [stdout] a2d4967babf50d5c08e43c309812e42b37f3cc0a99f73690093f5b7bffa5e9d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 431c94838b8745d46d0bf09dd996092e2daa35f4aa656a7257dddca0a706ff89
[INFO] running `Command { std: "docker" "start" "-a" "431c94838b8745d46d0bf09dd996092e2daa35f4aa656a7257dddca0a706ff89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]   --> src/test.rs:83:28
[INFO] [stderr]    |
[INFO] [stderr] 83 |     bs_collect_digits8!(c, v, break,
[INFO] [stderr]    |                            ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]    --> src/test.rs:140:29
[INFO] [stderr]     |
[INFO] [stderr] 140 |     bs_collect_digits16!(c, v, break,
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]    --> src/test.rs:197:29
[INFO] [stderr]     |
[INFO] [stderr] 197 |     bs_collect_digits32!(c, v, break,
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `v` is never read
[INFO] [stderr]    --> src/test.rs:254:29
[INFO] [stderr]     |
[INFO] [stderr] 254 |     bs_collect_digits64!(c, v, break,
[INFO] [stderr]     |                             ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `byte-slice` (lib test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/byte_slice-5e46b95ffbe209f7)
[INFO] [stdout] 
[INFO] [stdout] running 96 tests
[INFO] [stdout] test test::bs_is_eos ... ok
[INFO] [stdout] test test::collect_digits16_eos ... ok
[INFO] [stdout] test test::collect_digits16_max ... ok
[INFO] [stdout] test test::collect_digits16_stop ... ok
[INFO] [stdout] test test::collect_digits16_test ... ok
[INFO] [stdout] test test::collect_digits32_eos ... ok
[INFO] [stdout] test test::collect_digits32_max ... ok
[INFO] [stdout] test test::collect_digits32_stop ... ok
[INFO] [stdout] test test::collect_digits32_test ... ok
[INFO] [stdout] test test::collect_digits64_eos ... ok
[INFO] [stdout] test test::collect_digits64_max ... ok
[INFO] [stdout] test test::collect_digits64_stop ... ok
[INFO] [stdout] test test::collect_digits64_test ... ok
[INFO] [stdout] test test::collect_digits8_eos ... ok
[INFO] [stdout] test test::collect_digits8_max ... ok
[INFO] [stdout] test test::collect_digits8_stop ... ok
[INFO] [stdout] test test::collect_digits8_test ... ok
[INFO] [stdout] test test::collect_eos ... ok
[INFO] [stdout] test test::collect_hex16 ... ok
[INFO] [stdout] test test::collect_hex16_break ... ok
[INFO] [stdout] test test::collect_hex16_max ... ok
[INFO] [stdout] test test::collect_hex32 ... ok
[INFO] [stdout] test test::collect_hex16_test ... ok
[INFO] [stdout] test test::collect_hex32_max ... ok
[INFO] [stdout] test test::collect_hex32_break ... ok
[INFO] [stdout] test test::collect_hex32_test ... ok
[INFO] [stdout] test test::collect_hex64 ... ok
[INFO] [stdout] test test::collect_hex64_break ... ok
[INFO] [stdout] test test::collect_hex64_max ... ok
[INFO] [stdout] test test::collect_hex64_test ... ok
[INFO] [stdout] test test::collect_hex8 ... ok
[INFO] [stdout] test test::collect_hex8_max ... ok
[INFO] [stdout] test test::collect_length ... ok
[INFO] [stdout] test test::collect_hex8_break ... ok
[INFO] [stdout] test test::collect_length_check ... ok
[INFO] [stdout] test test::collect_one ... ok
[INFO] [stdout] test test::collect_until ... ok
[INFO] [stdout] test test::collect_until_eos ... ok
[INFO] [stdout] test test::collect_hex8_test ... ok
[INFO] [stdout] test test::collect_when ... ok
[INFO] [stderr]    Doc-tests byte-slice
[INFO] [stdout] test test::collect_when_eos ... ok
[INFO] [stdout] test test::collect_word ... ok
[INFO] [stdout] test test::count ... ok
[INFO] [stdout] test test::count_when ... ok
[INFO] [stdout] test test::find1 ... ok
[INFO] [stdout] test test::find2 ... ok
[INFO] [stdout] test test::find3 ... ok
[INFO] [stdout] test test::find4 ... ok
[INFO] [stdout] test test::find_pattern1 ... ok
[INFO] [stdout] test test::find_pattern2 ... ok
[INFO] [stdout] test test::find_pattern3 ... ok
[INFO] [stdout] test test::find_pattern4 ... ok
[INFO] [stdout] test test::has_bytes ... ok
[INFO] [stdout] test test::index ... ok
[INFO] [stdout] test test::is_alpha ... ok
[INFO] [stdout] test test::is_control ... ok
[INFO] [stdout] test test::is_digit ... ok
[INFO] [stdout] test test::is_hex ... ok
[INFO] [stdout] test test::is_not_visible_7bit ... ok
[INFO] [stdout] test test::is_not_visible_8bit ... ok
[INFO] [stdout] test test::is_visible_7bit ... ok
[INFO] [stdout] test test::is_visible_8bit ... ok
[INFO] [stdout] test test::jump ... ok
[INFO] [stdout] test test::mark ... ok
[INFO] [stdout] test test::peek ... ok
[INFO] [stdout] test test::remaining ... ok
[INFO] [stdout] test test::replay ... ok
[INFO] [stdout] test test::rewind ... ok
[INFO] [stdout] test test::rewind_to ... ok
[INFO] [stdout] test test::slice_length ... ok
[INFO] [stdout] test test::starts_with ... ok
[INFO] [stdout] test test::starts_with1 ... ok
[INFO] [stdout] test test::starts_with10 ... ok
[INFO] [stdout] test test::starts_with11 ... ok
[INFO] [stdout] test test::starts_with13 ... ok
[INFO] [stdout] test test::starts_with12 ... ok
[INFO] [stdout] test test::starts_with14 ... ok
[INFO] [stdout] test test::starts_with15 ... ok
[INFO] [stdout] test test::starts_with16 ... ok
[INFO] [stdout] test test::starts_with17 ... ok
[INFO] [stdout] test test::starts_with18 ... ok
[INFO] [stdout] test test::starts_with19 ... ok
[INFO] [stdout] test test::starts_with2 ... ok
[INFO] [stdout] test test::starts_with20 ... ok
[INFO] [stdout] test test::starts_with21 ... ok
[INFO] [stdout] test test::starts_with22 ... ok
[INFO] [stdout] test test::starts_with24 ... ok
[INFO] [stdout] test test::starts_with23 ... ok
[INFO] [stdout] test test::starts_with25 ... ok
[INFO] [stdout] test test::starts_with3 ... ok
[INFO] [stdout] test test::starts_with4 ... ok
[INFO] [stdout] test test::starts_with5 ... ok
[INFO] [stdout] test test::starts_with6 ... ok
[INFO] [stdout] test test::starts_with7 ... ok
[INFO] [stdout] test test::starts_with8 ... ok
[INFO] [stdout] test test::starts_with9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 96 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "431c94838b8745d46d0bf09dd996092e2daa35f4aa656a7257dddca0a706ff89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "431c94838b8745d46d0bf09dd996092e2daa35f4aa656a7257dddca0a706ff89", kill_on_drop: false }`
[INFO] [stdout] 431c94838b8745d46d0bf09dd996092e2daa35f4aa656a7257dddca0a706ff89