[INFO] cloning repository https://github.com/mdx97/boyo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdx97/boyo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdx97%2Fboyo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdx97%2Fboyo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ab52aed4997322e5fca5633c71c2c596abb7fbc2
[INFO] checking mdx97/boyo against try#e58ab0492e70733577a2aa8f09aa11a81ccf8005 for pr-113457
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdx97%2Fboyo" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mdx97/boyo on toolchain e58ab0492e70733577a2aa8f09aa11a81ccf8005
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e58ab0492e70733577a2aa8f09aa11a81ccf8005" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mdx97/boyo
[INFO] finished tweaking git repo https://github.com/mdx97/boyo
[INFO] tweaked toml for git repo https://github.com/mdx97/boyo written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mdx97/boyo 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" "+e58ab0492e70733577a2aa8f09aa11a81ccf8005" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e58ab0492e70733577a2aa8f09aa11a81ccf8005" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bedf4d3278db29d55cc062e7d5f312b74eb3276dac49f03fc986dde672fa928c
[INFO] running `Command { std: "docker" "start" "-a" "bedf4d3278db29d55cc062e7d5f312b74eb3276dac49f03fc986dde672fa928c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bedf4d3278db29d55cc062e7d5f312b74eb3276dac49f03fc986dde672fa928c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bedf4d3278db29d55cc062e7d5f312b74eb3276dac49f03fc986dde672fa928c", kill_on_drop: false }`
[INFO] [stdout] bedf4d3278db29d55cc062e7d5f312b74eb3276dac49f03fc986dde672fa928c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+e58ab0492e70733577a2aa8f09aa11a81ccf8005" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 733b487ef5be253731e64971236267785762010687caa8cdb7253b8aae7ca878
[INFO] running `Command { std: "docker" "start" "-a" "733b487ef5be253731e64971236267785762010687caa8cdb7253b8aae7ca878", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr] thread 'rustc' panicked at 'assertion failed: pos.get() <= self.position()', compiler/rustc_metadata/src/rmeta/encoder.rs:447:9
[INFO] [stderr] error: could not compile `libc` (lib)
[INFO] running `Command { std: "docker" "inspect" "733b487ef5be253731e64971236267785762010687caa8cdb7253b8aae7ca878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "733b487ef5be253731e64971236267785762010687caa8cdb7253b8aae7ca878", kill_on_drop: false }`
[INFO] [stdout] 733b487ef5be253731e64971236267785762010687caa8cdb7253b8aae7ca878