[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] checking fabrlyn/b2x against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabrlyn%2Fb2x" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabrlyn/b2x on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-87/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1ebca21f085b9b4fa07993c4003be4a5324bdce91253230c81158d8861594a9
[INFO] running `Command { std: "docker" "start" "-a" "d1ebca21f085b9b4fa07993c4003be4a5324bdce91253230c81158d8861594a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1ebca21f085b9b4fa07993c4003be4a5324bdce91253230c81158d8861594a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1ebca21f085b9b4fa07993c4003be4a5324bdce91253230c81158d8861594a9", kill_on_drop: false }`
[INFO] [stdout] d1ebca21f085b9b4fa07993c4003be4a5324bdce91253230c81158d8861594a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4fdafcbedae37d47f883166f6f89cfa0755cee4e1edb2b77fb82a60487ead79d
[INFO] running `Command { std: "docker" "start" "-a" "4fdafcbedae37d47f883166f6f89cfa0755cee4e1edb2b77fb82a60487ead79d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking os_str_bytes v3.1.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.4
[INFO] [stderr]     Checking clap v3.0.0-beta.4
[INFO] [stderr]     Checking 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] [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 dev [unoptimized + debuginfo] target(s) in 16.48s
[INFO] running `Command { std: "docker" "inspect" "4fdafcbedae37d47f883166f6f89cfa0755cee4e1edb2b77fb82a60487ead79d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fdafcbedae37d47f883166f6f89cfa0755cee4e1edb2b77fb82a60487ead79d", kill_on_drop: false }`
[INFO] [stdout] 4fdafcbedae37d47f883166f6f89cfa0755cee4e1edb2b77fb82a60487ead79d