[INFO] cloning repository https://github.com/kendase3/mappenstance2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kendase3/mappenstance2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkendase3%2Fmappenstance2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkendase3%2Fmappenstance2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9257cae18365fc3444e351a159c5a9519b1e9558
[INFO] checking kendase3/mappenstance2 against try#804fff1ae95da9d03bd44eee27f258020a575dab for pr-146013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkendase3%2Fmappenstance2" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kendase3/mappenstance2
[INFO] finished tweaking git repo https://github.com/kendase3/mappenstance2
[INFO] tweaked toml for git repo https://github.com/kendase3/mappenstance2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kendase3/mappenstance2 on toolchain 804fff1ae95da9d03bd44eee27f258020a575dab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kendase3/mappenstance2 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" "+804fff1ae95da9d03bd44eee27f258020a575dab" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 33a4157e66655ca4a329f63419c9aec39601de4d731f17ea73c299b937ed1d51
[INFO] running `Command { std: "docker" "start" "-a" "33a4157e66655ca4a329f63419c9aec39601de4d731f17ea73c299b937ed1d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33a4157e66655ca4a329f63419c9aec39601de4d731f17ea73c299b937ed1d51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33a4157e66655ca4a329f63419c9aec39601de4d731f17ea73c299b937ed1d51", kill_on_drop: false }`
[INFO] [stdout] 33a4157e66655ca4a329f63419c9aec39601de4d731f17ea73c299b937ed1d51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+804fff1ae95da9d03bd44eee27f258020a575dab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5860d35df7d7506e9acc5342968ac695c1cb36fb96f3c5e637d07e7a75d2cc82
[INFO] running `Command { std: "docker" "start" "-a" "5860d35df7d7506e9acc5342968ac695c1cb36fb96f3c5e637d07e7a75d2cc82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr] error: could not compile `rand` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/804fff1ae95da9d03bd44eee27f258020a575dab/bin/rustc --crate-name rand --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rand-0.8.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="getrandom"' --cfg 'feature="libc"' --cfg 'feature="rand_chacha"' --cfg 'feature="rand_hc"' --cfg 'feature="std"' --cfg 'feature="std_rng"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("alloc", "default", "getrandom", "libc", "log", "nightly", "packed_simd", "rand_chacha", "rand_hc", "serde", "serde1", "simd_support", "small_rng", "std", "std_rng"))' -C metadata=9a207092df0b006c -C extra-filename=-3aaf4dabb3ef3ca9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern libc=/opt/rustwide/target/debug/deps/liblibc-47a4aca904956ed2.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-ecb90ba10a0cca1d.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-03d0a99acd334b28.rmeta --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] running `Command { std: "docker" "inspect" "5860d35df7d7506e9acc5342968ac695c1cb36fb96f3c5e637d07e7a75d2cc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5860d35df7d7506e9acc5342968ac695c1cb36fb96f3c5e637d07e7a75d2cc82", kill_on_drop: false }`
[INFO] [stdout] 5860d35df7d7506e9acc5342968ac695c1cb36fb96f3c5e637d07e7a75d2cc82