[INFO] fetching crate embassy-time 0.5.0...
[INFO] testing embassy-time-0.5.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate embassy-time 0.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate embassy-time 0.5.0
[INFO] finished tweaking crates.io crate embassy-time 0.5.0
[INFO] tweaked toml for crates.io crate embassy-time 0.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate embassy-time 0.5.0 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 embassy-time 0.5.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded embassy-time-queue-utils v0.3.0
[INFO] [stderr]   Downloaded embassy-executor-timer-queue v0.1.0
[INFO] [stderr]   Downloaded serial_test_derive v0.9.0
[INFO] [stderr]   Downloaded serial_test v0.9.0
[INFO] [stderr]   Downloaded embassy-executor v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 54e9e456cea10824a6c62fa74f7a6f0bd2f90ff67ff3229cc978e036400289fe
[INFO] running `Command { std: "docker" "start" "-a" "54e9e456cea10824a6c62fa74f7a6f0bd2f90ff67ff3229cc978e036400289fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e9e456cea10824a6c62fa74f7a6f0bd2f90ff67ff3229cc978e036400289fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e9e456cea10824a6c62fa74f7a6f0bd2f90ff67ff3229cc978e036400289fe", kill_on_drop: false }`
[INFO] [stdout] 54e9e456cea10824a6c62fa74f7a6f0bd2f90ff67ff3229cc978e036400289fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dbb557a78da7fbb4b07ea6276b2ddc6388b1ee29063b094b7bd7c21acc937377
[INFO] running `Command { std: "docker" "start" "-a" "dbb557a78da7fbb4b07ea6276b2ddc6388b1ee29063b094b7bd7c21acc937377", kill_on_drop: false }`
[INFO] [stderr]    Compiling embassy-time-driver v0.2.1
[INFO] [stderr]    Compiling nb v1.1.0
[INFO] [stderr]    Compiling embedded-hal-async v1.0.0
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling embedded-hal v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling critical-section v1.2.0
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.7
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling embassy-time v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "dbb557a78da7fbb4b07ea6276b2ddc6388b1ee29063b094b7bd7c21acc937377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbb557a78da7fbb4b07ea6276b2ddc6388b1ee29063b094b7bd7c21acc937377", kill_on_drop: false }`
[INFO] [stdout] dbb557a78da7fbb4b07ea6276b2ddc6388b1ee29063b094b7bd7c21acc937377
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 8b02717ad1b1798a908387015da31d45c256fe1a4acf7aea844e7b7523bf25ec
[INFO] running `Command { std: "docker" "start" "-a" "8b02717ad1b1798a908387015da31d45c256fe1a4acf7aea844e7b7523bf25ec", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `futures-task v0.3.31`
[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 `futures-task v0.3.31`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-task-0.3.31`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "8b02717ad1b1798a908387015da31d45c256fe1a4acf7aea844e7b7523bf25ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b02717ad1b1798a908387015da31d45c256fe1a4acf7aea844e7b7523bf25ec", kill_on_drop: false }`
[INFO] [stdout] 8b02717ad1b1798a908387015da31d45c256fe1a4acf7aea844e7b7523bf25ec