[INFO] cloning repository https://github.com/mkroman/aceman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mkroman/aceman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Faceman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Faceman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b287b6aaa2df22cd2b465e526d445a0d8cb71d40
[INFO] testing mkroman/aceman against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmkroman%2Faceman" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mkroman/aceman
[INFO] finished tweaking git repo https://github.com/mkroman/aceman
[INFO] tweaked toml for git repo https://github.com/mkroman/aceman written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mkroman/aceman on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mkroman/aceman 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.116
[INFO] [stderr]   Downloaded security-framework-sys v0.4.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.58
[INFO] [stderr]   Downloaded miniz_oxide v0.4.2
[INFO] [stderr]   Downloaded cc v1.0.60
[INFO] [stderr]   Downloaded flate2 v1.0.17
[INFO] [stderr]   Downloaded js-sys v0.3.45
[INFO] [stderr]   Downloaded reqwest v0.10.8
[INFO] [stderr]   Downloaded serde v1.0.116
[INFO] [stderr]   Downloaded hyper v0.13.8
[INFO] [stderr]   Downloaded async-compression v0.3.5
[INFO] [stderr]   Downloaded hashbrown v0.9.0
[INFO] [stderr]   Downloaded syn v1.0.41
[INFO] [stderr]   Downloaded openssl v0.10.30
[INFO] [stderr]   Downloaded security-framework v0.4.4
[INFO] [stderr]   Downloaded native-tls v0.2.4
[INFO] [stderr]   Downloaded socket2 v0.3.15
[INFO] [stderr]   Downloaded proc-macro2 v1.0.21
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.18
[INFO] [stderr]   Downloaded libc v0.2.77
[INFO] [stderr]   Downloaded web-sys v0.3.45
[INFO] [stderr]   Downloaded encoding_rs v0.8.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48f9f7bdf9a6ddcd0c4360f8132161db331f62d65e271957a890d0264d1c7605
[INFO] running `Command { std: "docker" "start" "-a" "48f9f7bdf9a6ddcd0c4360f8132161db331f62d65e271957a890d0264d1c7605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48f9f7bdf9a6ddcd0c4360f8132161db331f62d65e271957a890d0264d1c7605", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48f9f7bdf9a6ddcd0c4360f8132161db331f62d65e271957a890d0264d1c7605", kill_on_drop: false }`
[INFO] [stdout] 48f9f7bdf9a6ddcd0c4360f8132161db331f62d65e271957a890d0264d1c7605
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 630590caf6aa994c7809a9f6213a1861bfad5785f36c9c53b62455ca5a43aeb9
[INFO] running `Command { std: "docker" "start" "-a" "630590caf6aa994c7809a9f6213a1861bfad5785f36c9c53b62455ca5a43aeb9", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `iovec v0.1.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   unable to get packages from source
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to unpack package `iovec v0.1.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/iovec-0.1.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "630590caf6aa994c7809a9f6213a1861bfad5785f36c9c53b62455ca5a43aeb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "630590caf6aa994c7809a9f6213a1861bfad5785f36c9c53b62455ca5a43aeb9", kill_on_drop: false }`
[INFO] [stdout] 630590caf6aa994c7809a9f6213a1861bfad5785f36c9c53b62455ca5a43aeb9