[INFO] cloning repository https://github.com/ktmlm/nspawn-lite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ktmlm/nspawn-lite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktmlm%2Fnspawn-lite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktmlm%2Fnspawn-lite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9d9630bcfebeb4cb3615f236169726cff6a4c3a
[INFO] building ktmlm/nspawn-lite/c9d9630bcfebeb4cb3615f236169726cff6a4c3a against master#f5209000832c9d3bc29c91f4daef4ca9f28dc797+target=wasm32-wasip1 for pr-149868
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktmlm%2Fnspawn-lite" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-6-tc1/source/.cargo/config
[INFO] started tweaking git repo https://github.com/ktmlm/nspawn-lite
[INFO] finished tweaking git repo https://github.com/ktmlm/nspawn-lite
[INFO] tweaked toml for git repo https://github.com/ktmlm/nspawn-lite written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ktmlm/nspawn-lite on toolchain f5209000832c9d3bc29c91f4daef4ca9f28dc797
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ktmlm/nspawn-lite 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" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://gitee.com/kt10/myutil.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding myutil v0.1.0 (https://gitee.com/kt10/myutil.git?branch=master#fda8c1de)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.56
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.64
[INFO] [stderr]   Downloaded hermit-abi v0.1.14
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.64
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.64
[INFO] [stderr]   Downloaded standback v0.2.9
[INFO] [stderr]   Downloaded time v0.2.16
[INFO] [stderr]   Downloaded time-macros v0.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.56
[INFO] [stderr]   Downloaded syn v1.0.33
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8abffb2edb2ff877776ec41024466c001f2a001afc94d4122bcc0e5e1645129
[INFO] running `Command { std: "docker" "start" "-a" "c8abffb2edb2ff877776ec41024466c001f2a001afc94d4122bcc0e5e1645129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8abffb2edb2ff877776ec41024466c001f2a001afc94d4122bcc0e5e1645129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8abffb2edb2ff877776ec41024466c001f2a001afc94d4122bcc0e5e1645129", kill_on_drop: false }`
[INFO] [stdout] c8abffb2edb2ff877776ec41024466c001f2a001afc94d4122bcc0e5e1645129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+f5209000832c9d3bc29c91f4daef4ca9f28dc797" "build" "--frozen" "--message-format=json" "--target" "wasm32-wasip1", kill_on_drop: false }`
[INFO] [stdout] 920ca31b428fec7b4cfadcebd694cfd6b51275820cf0c2c4cea5d6a78990d0fa
[INFO] running `Command { std: "docker" "start" "-a" "920ca31b428fec7b4cfadcebd694cfd6b51275820cf0c2c4cea5d6a78990d0fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling time-macros v0.1.0
[INFO] [stderr]    Compiling myutil v0.1.0 (https://gitee.com/kt10/myutil.git?branch=master#fda8c1de)
[INFO] [stderr]    Compiling nspawn-lite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `nix::mount`, `nix::mount`, `nix::sched`, `nix::unistd`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     mount::{self, umount2, MntFlags, MsFlags},
[INFO] [stdout]   |     ^^^^^   ^^^^ no `mount` in the root
[INFO] [stdout]   |     |
[INFO] [stdout]   |     could not find `mount` in `nix`
[INFO] [stdout] 5 |     sched::{clone, CloneFlags},
[INFO] [stdout]   |     ^^^^^ could not find `sched` in `nix`
[INFO] [stdout] 6 |     unistd::{chdir, execv, pivot_root},
[INFO] [stdout]   |     ^^^^^^ could not find `unistd` in `nix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `SIGCHLD` in crate `libc`
[INFO] [stdout]   --> src/main.rs:77:20
[INFO] [stdout]    |
[INFO] [stdout] 77 |         Some(libc::SIGCHLD),
[INFO] [stdout]    |                    ^^^^^^^ not found in `libc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nspawn-lite` (bin "nspawn-lite") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "920ca31b428fec7b4cfadcebd694cfd6b51275820cf0c2c4cea5d6a78990d0fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920ca31b428fec7b4cfadcebd694cfd6b51275820cf0c2c4cea5d6a78990d0fa", kill_on_drop: false }`
[INFO] [stdout] 920ca31b428fec7b4cfadcebd694cfd6b51275820cf0c2c4cea5d6a78990d0fa