[INFO] cloning repository https://github.com/stofte/FastFormat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stofte/FastFormat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstofte%2FFastFormat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstofte%2FFastFormat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 943f6fde85cbf0fe5bf6762fe38f2bb3c57fc072
[INFO] testing stofte/FastFormat against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstofte%2FFastFormat" "/workspace/builds/worker-37/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-37/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stofte/FastFormat 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/stofte/FastFormat
[INFO] finished tweaking git repo https://github.com/stofte/FastFormat
[INFO] tweaked toml for git repo https://github.com/stofte/FastFormat written to /workspace/builds/worker-37/source/Cargo.toml
[INFO] crate git repo https://github.com/stofte/FastFormat 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] [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-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 011245a2f22dc2566ab1c5b3778f5b6c39de352410c1c97ef45c860e58d52c97
[INFO] running `Command { std: "docker" "start" "-a" "011245a2f22dc2566ab1c5b3778f5b6c39de352410c1c97ef45c860e58d52c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "011245a2f22dc2566ab1c5b3778f5b6c39de352410c1c97ef45c860e58d52c97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011245a2f22dc2566ab1c5b3778f5b6c39de352410c1c97ef45c860e58d52c97", kill_on_drop: false }`
[INFO] [stdout] 011245a2f22dc2566ab1c5b3778f5b6c39de352410c1c97ef45c860e58d52c97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a3331f6a60e5e49af4807f2948e3f308b77a31cd242207483679f84bd07ee4d2
[INFO] running `Command { std: "docker" "start" "-a" "a3331f6a60e5e49af4807f2948e3f308b77a31cd242207483679f84bd07ee4d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling quick-xml v0.18.1
[INFO] [stderr]    Compiling fastformat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `iter`
[INFO] [stdout]  --> src/lib.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ptr, iter};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BytesEnd`, `BytesStart`
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use quick_xml::events::{Event, BytesEnd, BytesStart};
[INFO] [stdout]   |                                ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.57s
[INFO] running `Command { std: "docker" "inspect" "a3331f6a60e5e49af4807f2948e3f308b77a31cd242207483679f84bd07ee4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3331f6a60e5e49af4807f2948e3f308b77a31cd242207483679f84bd07ee4d2", kill_on_drop: false }`
[INFO] [stdout] a3331f6a60e5e49af4807f2948e3f308b77a31cd242207483679f84bd07ee4d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] bca97096518daa4ba69250c02bbc4952596775efb96f720ab6224d0eca546ff8
[INFO] running `Command { std: "docker" "start" "-a" "bca97096518daa4ba69250c02bbc4952596775efb96f720ab6224d0eca546ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling fastformat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `iter`
[INFO] [stdout]  --> src/lib.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{ptr, iter};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BytesEnd`, `BytesStart`
[INFO] [stdout]  --> src/lib.rs:6:32
[INFO] [stdout]   |
[INFO] [stdout] 6 | use quick_xml::events::{Event, BytesEnd, BytesStart};
[INFO] [stdout]   |                                ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "bca97096518daa4ba69250c02bbc4952596775efb96f720ab6224d0eca546ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca97096518daa4ba69250c02bbc4952596775efb96f720ab6224d0eca546ff8", kill_on_drop: false }`
[INFO] [stdout] bca97096518daa4ba69250c02bbc4952596775efb96f720ab6224d0eca546ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 3a10f92cafc5b3feacd606ebad6ace5e10e9e51ed659b7e467c7f53a0f4a96cb
[INFO] running `Command { std: "docker" "start" "-a" "3a10f92cafc5b3feacd606ebad6ace5e10e9e51ed659b7e467c7f53a0f4a96cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `iter`
[INFO] [stderr]  --> src/lib.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{ptr, iter};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BytesEnd`, `BytesStart`
[INFO] [stderr]  --> src/lib.rs:6:32
[INFO] [stderr]   |
[INFO] [stderr] 6 | use quick_xml::events::{Event, BytesEnd, BytesStart};
[INFO] [stderr]   |                                ^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `fastformat` (lib test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.88s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fastformat-badefec85d64d404)
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/fastformat-badefec85d64d404` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "3a10f92cafc5b3feacd606ebad6ace5e10e9e51ed659b7e467c7f53a0f4a96cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a10f92cafc5b3feacd606ebad6ace5e10e9e51ed659b7e467c7f53a0f4a96cb", kill_on_drop: false }`
[INFO] [stdout] 3a10f92cafc5b3feacd606ebad6ace5e10e9e51ed659b7e467c7f53a0f4a96cb