[INFO] fetching crate extras-filecoin 0.2.0...
[INFO] testing extras-filecoin-0.2.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate extras-filecoin 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate extras-filecoin 0.2.0
[INFO] finished tweaking crates.io crate extras-filecoin 0.2.0
[INFO] tweaked toml for crates.io crate extras-filecoin 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate extras-filecoin 0.2.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 98 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[INFO] [stderr]       Adding cid v0.8.6 (available: v0.11.1)
[INFO] [stderr]       Adding frc42_dispatch v3.2.0 (available: v3.3.0)
[INFO] [stderr]       Adding frc42_hasher v1.5.0 (available: v1.6.0)
[INFO] [stderr]       Adding frc42_macros v1.2.0 (available: v1.3.0)
[INFO] [stderr]       Adding fvm_ipld_bitfield v0.5.4 (available: v0.7.2)
[INFO] [stderr]       Adding fvm_ipld_encoding v0.3.3 (available: v0.5.3)
[INFO] [stderr]       Adding fvm_sdk v3.2.0 (available: v3.13.2)
[INFO] [stderr]       Adding fvm_shared v3.2.0 (available: v3.13.2)
[INFO] [stderr]       Adding proc-macro-crate v1.1.3 (available: v1.3.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1eaae126a7e09af2d046ca3b284493fd70139a0630e0211a0b0d548e44efc7d
[INFO] running `Command { std: "docker" "start" "-a" "f1eaae126a7e09af2d046ca3b284493fd70139a0630e0211a0b0d548e44efc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1eaae126a7e09af2d046ca3b284493fd70139a0630e0211a0b0d548e44efc7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1eaae126a7e09af2d046ca3b284493fd70139a0630e0211a0b0d548e44efc7d", kill_on_drop: false }`
[INFO] [stdout] f1eaae126a7e09af2d046ca3b284493fd70139a0630e0211a0b0d548e44efc7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e53017f0a98721d1d6cc751c42fdf37d1249fde7423aa95cbb5267e4c22072e
[INFO] running `Command { std: "docker" "start" "-a" "8e53017f0a98721d1d6cc751c42fdf37d1249fde7423aa95cbb5267e4c22072e", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `proc-macro-error v1.0.4`
[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 `proc-macro-error v1.0.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro-error-1.0.4`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "8e53017f0a98721d1d6cc751c42fdf37d1249fde7423aa95cbb5267e4c22072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e53017f0a98721d1d6cc751c42fdf37d1249fde7423aa95cbb5267e4c22072e", kill_on_drop: false }`
[INFO] [stdout] 8e53017f0a98721d1d6cc751c42fdf37d1249fde7423aa95cbb5267e4c22072e