[INFO] fetching crate fselect 0.9.0...
[INFO] testing fselect-0.9.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate fselect 0.9.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fselect 0.9.0
[INFO] finished tweaking crates.io crate fselect 0.9.0
[INFO] tweaked toml for crates.io crate fselect 0.9.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fselect 0.9.0 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 crates.io crate fselect 0.9.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ppmd-rust v1.2.1
[INFO] [stderr]   Downloaded i24 v1.0.1
[INFO] [stderr]   Downloaded wana_kana v4.0.0
[INFO] [stderr]   Downloaded human-time-macros v0.1.8
[INFO] [stderr]   Downloaded human-time v0.1.6
[INFO] [stderr]   Downloaded imagesize v0.14.0
[INFO] [stderr]   Downloaded scanlex v0.1.4
[INFO] [stderr]   Downloaded chrono-english v0.1.7
[INFO] [stderr]   Downloaded lscolors v0.20.0
[INFO] [stderr]   Downloaded bitstream-io v3.2.0
[INFO] [stderr]   Downloaded kamadak-exif v0.6.1
[INFO] [stderr]   Downloaded matroska v0.30.0
[INFO] [stderr]   Downloaded mp4parse v0.17.0
[INFO] [stderr]   Downloaded fallible_collections v0.4.9
[INFO] [stderr]   Downloaded rustyline v16.0.0
[INFO] [stderr]   Downloaded ureq v3.0.12
[INFO] [stderr]   Downloaded rbase64 v2.0.3
[INFO] [stderr]   Downloaded ureq-proto v0.4.2
[INFO] [stderr]   Downloaded wavers v1.5.1
[INFO] [stderr]   Downloaded libbz2-rs-sys v0.2.1
[INFO] [stderr]   Downloaded update-informer v1.3.0
[INFO] [stderr]   Downloaded uzers v0.12.1
[INFO] [stderr]   Downloaded zip v4.3.0
[INFO] [stderr]   Downloaded svg v0.18.0
[INFO] [stderr]   Downloaded tree_magic_db v3.0.1
[INFO] [stderr]   Downloaded tree_magic_mini v3.1.6
[INFO] [stderr]   Downloaded bzip2 v0.6.0
[INFO] [stderr]   Downloaded liblzma v0.4.2
[INFO] [stderr]   Downloaded mp3-metadata v0.4.0
[INFO] [stderr]   Downloaded liblzma-sys v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 1ff56bd3257f4aaf47672ba63d25d61e217b906a239f41c36c56694f4392afd8
[INFO] running `Command { std: "docker" "start" "-a" "1ff56bd3257f4aaf47672ba63d25d61e217b906a239f41c36c56694f4392afd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff56bd3257f4aaf47672ba63d25d61e217b906a239f41c36c56694f4392afd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff56bd3257f4aaf47672ba63d25d61e217b906a239f41c36c56694f4392afd8", kill_on_drop: false }`
[INFO] [stdout] 1ff56bd3257f4aaf47672ba63d25d61e217b906a239f41c36c56694f4392afd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ee5b7437cdea5c9283acb46706396669f1ee48c3ebadb498ca0c60886754550c
[INFO] running `Command { std: "docker" "start" "-a" "ee5b7437cdea5c9283acb46706396669f1ee48c3ebadb498ca0c60886754550c", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `idna v1.0.3`
[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 `idna v1.0.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/idna-1.0.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "ee5b7437cdea5c9283acb46706396669f1ee48c3ebadb498ca0c60886754550c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5b7437cdea5c9283acb46706396669f1ee48c3ebadb498ca0c60886754550c", kill_on_drop: false }`
[INFO] [stdout] ee5b7437cdea5c9283acb46706396669f1ee48c3ebadb498ca0c60886754550c