[INFO] cloning repository https://github.com/vmalloc/_segfault_reproduce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vmalloc/_segfault_reproduce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmalloc%2F_segfault_reproduce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmalloc%2F_segfault_reproduce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f7db56a6b1e6b62f30596985beb93e388f3ec9c
[INFO] building vmalloc/_segfault_reproduce against try#0179c3cb935eb588d407cb784f436ae84d99db5c for pr-107620-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmalloc%2F_segfault_reproduce" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vmalloc/_segfault_reproduce on toolchain 0179c3cb935eb588d407cb784f436ae84d99db5c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vmalloc/_segfault_reproduce
[INFO] finished tweaking git repo https://github.com/vmalloc/_segfault_reproduce
[INFO] tweaked toml for git repo https://github.com/vmalloc/_segfault_reproduce written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vmalloc/_segfault_reproduce already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a156c52a3c2755bfc2d25e6f1fc010d1bd47ce09f6a37882cf9735afad61b270
[INFO] running `Command { std: "docker" "start" "-a" "a156c52a3c2755bfc2d25e6f1fc010d1bd47ce09f6a37882cf9735afad61b270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a156c52a3c2755bfc2d25e6f1fc010d1bd47ce09f6a37882cf9735afad61b270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a156c52a3c2755bfc2d25e6f1fc010d1bd47ce09f6a37882cf9735afad61b270", kill_on_drop: false }`
[INFO] [stdout] a156c52a3c2755bfc2d25e6f1fc010d1bd47ce09f6a37882cf9735afad61b270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+0179c3cb935eb588d407cb784f436ae84d99db5c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 178ffa22e04d5abce286099b53e42ca4b28511e11b6ee21f2002e89803088d50
[INFO] running `Command { std: "docker" "start" "-a" "178ffa22e04d5abce286099b53e42ca4b28511e11b6ee21f2002e89803088d50", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling lock_api v0.3.3
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling parking_lot v0.10.0
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.4
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling r2d2 v0.8.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling clicolors-control v1.0.1
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling console v0.9.2
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling better-panic v0.2.0
[INFO] [stderr] thread 'rustc' panicked at 'assertion failed: pos.get() <= self.position()', compiler/rustc_metadata/src/rmeta/encoder.rs:426:9
[INFO] [stderr] LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `better-panic`
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `serde`
[INFO] [stderr] LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn`
[INFO] running `Command { std: "docker" "inspect" "178ffa22e04d5abce286099b53e42ca4b28511e11b6ee21f2002e89803088d50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178ffa22e04d5abce286099b53e42ca4b28511e11b6ee21f2002e89803088d50", kill_on_drop: false }`
[INFO] [stdout] 178ffa22e04d5abce286099b53e42ca4b28511e11b6ee21f2002e89803088d50