[INFO] fetching crate adafruit-7segment 0.1.0...
[INFO] testing adafruit-7segment-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate adafruit-7segment 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate adafruit-7segment 0.1.0
[INFO] finished tweaking crates.io crate adafruit-7segment 0.1.0
[INFO] tweaked toml for crates.io crate adafruit-7segment 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate adafruit-7segment 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 60 packages to latest compatible versions
[INFO] [stderr]       Adding embedded-hal v0.2.7 (available: v1.0.0)
[INFO] [stderr]       Adding embedded-hal-mock v0.4.1 (available: v0.11.1)
[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 nb v1.1.0
[INFO] [stderr]   Downloaded toml v0.7.8
[INFO] [stderr]   Downloaded ascii v1.1.0
[INFO] [stderr]   Downloaded ht16k33 v0.4.0
[INFO] [stderr]   Downloaded version-sync v0.9.5
[INFO] [stderr]   Downloaded embedded-hal-mock v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 954ee044bf2df158985b22ec0de298a3a2c2f824e1106043eb77fbfe0aa06bdc
[INFO] running `Command { std: "docker" "start" "-a" "954ee044bf2df158985b22ec0de298a3a2c2f824e1106043eb77fbfe0aa06bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "954ee044bf2df158985b22ec0de298a3a2c2f824e1106043eb77fbfe0aa06bdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954ee044bf2df158985b22ec0de298a3a2c2f824e1106043eb77fbfe0aa06bdc", kill_on_drop: false }`
[INFO] [stdout] 954ee044bf2df158985b22ec0de298a3a2c2f824e1106043eb77fbfe0aa06bdc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d782932aeb5cc6635ba4aa724f8cc3cde38b2cd0996bc26e5313a60a544a141a
[INFO] running `Command { std: "docker" "start" "-a" "d782932aeb5cc6635ba4aa724f8cc3cde38b2cd0996bc26e5313a60a544a141a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling ascii v1.1.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling ht16k33 v0.4.0
[INFO] [stderr]    Compiling adafruit-7segment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "d782932aeb5cc6635ba4aa724f8cc3cde38b2cd0996bc26e5313a60a544a141a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d782932aeb5cc6635ba4aa724f8cc3cde38b2cd0996bc26e5313a60a544a141a", kill_on_drop: false }`
[INFO] [stdout] d782932aeb5cc6635ba4aa724f8cc3cde38b2cd0996bc26e5313a60a544a141a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 295b44872c3292c70bbffc8afe51dd09eeb1edfcca6e1829ffb78060d803ca57
[INFO] running `Command { std: "docker" "start" "-a" "295b44872c3292c70bbffc8afe51dd09eeb1edfcca6e1829ffb78060d803ca57", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `percent-encoding v2.3.2`
[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 `percent-encoding v2.3.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/percent-encoding-2.3.2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "295b44872c3292c70bbffc8afe51dd09eeb1edfcca6e1829ffb78060d803ca57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "295b44872c3292c70bbffc8afe51dd09eeb1edfcca6e1829ffb78060d803ca57", kill_on_drop: false }`
[INFO] [stdout] 295b44872c3292c70bbffc8afe51dd09eeb1edfcca6e1829ffb78060d803ca57