[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 beta-2021-09-08 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-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stofte/FastFormat on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-57/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" "+beta-2021-09-08" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-xml v0.18.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f477abbd6a7f54141aaac9fa0b544bba53ed04eaadf29243e5a72d221c782ab5
[INFO] running `Command { std: "docker" "start" "-a" "f477abbd6a7f54141aaac9fa0b544bba53ed04eaadf29243e5a72d221c782ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f477abbd6a7f54141aaac9fa0b544bba53ed04eaadf29243e5a72d221c782ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f477abbd6a7f54141aaac9fa0b544bba53ed04eaadf29243e5a72d221c782ab5", kill_on_drop: false }`
[INFO] [stdout] f477abbd6a7f54141aaac9fa0b544bba53ed04eaadf29243e5a72d221c782ab5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1356b203f1d4eae4ee4d96aac1ea6e480a17022deb94df649f34bbb5b78cb05d
[INFO] running `Command { std: "docker" "start" "-a" "1356b203f1d4eae4ee4d96aac1ea6e480a17022deb94df649f34bbb5b78cb05d", 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 51.97s
[INFO] running `Command { std: "docker" "inspect" "1356b203f1d4eae4ee4d96aac1ea6e480a17022deb94df649f34bbb5b78cb05d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1356b203f1d4eae4ee4d96aac1ea6e480a17022deb94df649f34bbb5b78cb05d", kill_on_drop: false }`
[INFO] [stdout] 1356b203f1d4eae4ee4d96aac1ea6e480a17022deb94df649f34bbb5b78cb05d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db023dcd4e99db35f895547e5f25549b1b18ebd7454622f27abb323076adba7b
[INFO] running `Command { std: "docker" "start" "-a" "db023dcd4e99db35f895547e5f25549b1b18ebd7454622f27abb323076adba7b", 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 1.01s
[INFO] running `Command { std: "docker" "inspect" "db023dcd4e99db35f895547e5f25549b1b18ebd7454622f27abb323076adba7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db023dcd4e99db35f895547e5f25549b1b18ebd7454622f27abb323076adba7b", kill_on_drop: false }`
[INFO] [stdout] db023dcd4e99db35f895547e5f25549b1b18ebd7454622f27abb323076adba7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 96ca42c4b840b93d98eac8a43de4a2ea1a7b288deecf9384a66052354bca7bb2
[INFO] running `Command { std: "docker" "start" "-a" "96ca42c4b840b93d98eac8a43de4a2ea1a7b288deecf9384a66052354bca7bb2", 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 1.91s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fastformat-73ed8341cb8f25bf)
[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-73ed8341cb8f25bf` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "96ca42c4b840b93d98eac8a43de4a2ea1a7b288deecf9384a66052354bca7bb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96ca42c4b840b93d98eac8a43de4a2ea1a7b288deecf9384a66052354bca7bb2", kill_on_drop: false }`
[INFO] [stdout] 96ca42c4b840b93d98eac8a43de4a2ea1a7b288deecf9384a66052354bca7bb2