[INFO] cloning repository https://github.com/fabrlyn/b2x
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fabrlyn/b2x" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fb2x", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fb2x'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89b8b9dcb1763403893c38fdbb8aab831f81fe5b
[INFO] testing fabrlyn/b2x against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fb2x" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabrlyn/b2x 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 git repo https://github.com/fabrlyn/b2x
[INFO] finished tweaking git repo https://github.com/fabrlyn/b2x
[INFO] tweaked toml for git repo https://github.com/fabrlyn/b2x written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/fabrlyn/b2x already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 95f80a527666e77691ecbab73e1af64855c002f2f9837c83ca9092f1c6b37450
[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" "95f80a527666e77691ecbab73e1af64855c002f2f9837c83ca9092f1c6b37450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95f80a527666e77691ecbab73e1af64855c002f2f9837c83ca9092f1c6b37450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95f80a527666e77691ecbab73e1af64855c002f2f9837c83ca9092f1c6b37450", kill_on_drop: false }`
[INFO] [stdout] 95f80a527666e77691ecbab73e1af64855c002f2f9837c83ca9092f1c6b37450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] e514642b45536a0d7f919d21468bbfa76a03bcda944f1504a26d3b1eae1aefc9
[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" "e514642b45536a0d7f919d21468bbfa76a03bcda944f1504a26d3b1eae1aefc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling os_str_bytes v3.1.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling clap v3.0.0-beta.4
[INFO] [stderr]    Compiling b2x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `as_big_endian_i8`
[INFO] [stdout]   --> src/binary/chunk.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub fn as_big_endian_i8(chunk: &[u8]) -> i8 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_big_endian_i16`
[INFO] [stdout]   --> src/binary/chunk.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 | pub fn as_big_endian_i16(chunk: &[u8]) -> i16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_big_endian_i32`
[INFO] [stdout]   --> src/binary/chunk.rs:74:8
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub fn as_big_endian_i32(chunk: &[u8]) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_big_endian_i64`
[INFO] [stdout]   --> src/binary/chunk.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub fn as_big_endian_i64(chunk: &[u8]) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_little_endian_i8`
[INFO] [stdout]    --> src/binary/chunk.rs:111:8
[INFO] [stdout]     |
[INFO] [stdout] 111 | pub fn as_little_endian_i8(chunk: &[u8]) -> i8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_little_endian_i16`
[INFO] [stdout]    --> src/binary/chunk.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn as_little_endian_i16(chunk: &[u8]) -> i16 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_little_endian_i32`
[INFO] [stdout]    --> src/binary/chunk.rs:143:8
[INFO] [stdout]     |
[INFO] [stdout] 143 | pub fn as_little_endian_i32(chunk: &[u8]) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_little_endian_i64`
[INFO] [stdout]    --> src/binary/chunk.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 159 | pub fn as_little_endian_i64(chunk: &[u8]) -> i64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_big_endian_f32`
[INFO] [stdout]    --> src/binary/chunk.rs:211:8
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub fn as_big_endian_f32(chunk: &[u8]) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_little_endian_f32`
[INFO] [stdout]    --> src/binary/chunk.rs:215:8
[INFO] [stdout]     |
[INFO] [stdout] 215 | pub fn as_little_endian_f32(chunk: &[u8]) -> f32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_big_endian_f64`
[INFO] [stdout]    --> src/binary/chunk.rs:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 | pub fn as_big_endian_f64(chunk: &[u8]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `as_little_endian_f64`
[INFO] [stdout]    --> src/binary/chunk.rs:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 | pub fn as_little_endian_f64(chunk: &[u8]) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/cli/mod.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     output: Output,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.85s
[INFO] running `Command { std: "docker" "inspect" "e514642b45536a0d7f919d21468bbfa76a03bcda944f1504a26d3b1eae1aefc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e514642b45536a0d7f919d21468bbfa76a03bcda944f1504a26d3b1eae1aefc9", kill_on_drop: false }`
[INFO] [stdout] e514642b45536a0d7f919d21468bbfa76a03bcda944f1504a26d3b1eae1aefc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 3ff5401785481d137986d065db84c61fc874e2a65ca7846306276306b5b83e99
[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" "3ff5401785481d137986d065db84c61fc874e2a65ca7846306276306b5b83e99", kill_on_drop: false }`
[INFO] [stderr]    Compiling b2x v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `output`
[INFO] [stdout]   --> src/cli/mod.rs:90:5
[INFO] [stdout]    |
[INFO] [stdout] 90 |     output: Output,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 3.00s
[INFO] running `Command { std: "docker" "inspect" "3ff5401785481d137986d065db84c61fc874e2a65ca7846306276306b5b83e99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff5401785481d137986d065db84c61fc874e2a65ca7846306276306b5b83e99", kill_on_drop: false }`
[INFO] [stdout] 3ff5401785481d137986d065db84c61fc874e2a65ca7846306276306b5b83e99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 945f8ea1d8722292228e677ca13e7c2fdda69a78e42ac7e66d9fc138f6dee7af
[INFO] running `Command { std: "docker" "start" "-a" "945f8ea1d8722292228e677ca13e7c2fdda69a78e42ac7e66d9fc138f6dee7af", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `output`
[INFO] [stderr]   --> src/cli/mod.rs:90:5
[INFO] [stderr]    |
[INFO] [stderr] 90 |     output: Output,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `b2x` (bin "b2x" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/b2x-e167ee9281709ae2)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test binary::chunk::tests::as_big_endian_f64 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_i8 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_u16 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_u64 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_u8 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_u32 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_i64 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_f32 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_f64 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_i16 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_i32 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_i64 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_u16 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_u8 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_f32 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_i32 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_i8 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_u64 ... ok
[INFO] [stdout] test binary::chunk::tests::as_big_endian_i16 ... ok
[INFO] [stdout] test binary::chunk::tests::as_little_endian_u32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "945f8ea1d8722292228e677ca13e7c2fdda69a78e42ac7e66d9fc138f6dee7af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945f8ea1d8722292228e677ca13e7c2fdda69a78e42ac7e66d9fc138f6dee7af", kill_on_drop: false }`
[INFO] [stdout] 945f8ea1d8722292228e677ca13e7c2fdda69a78e42ac7e66d9fc138f6dee7af