[INFO] fetching crate cardano-serialization-lib 15.0.1-beta.1...
[INFO] testing cardano-serialization-lib-15.0.1-beta.1 against master#160e7623e8cbbf1feab2b6e2a24733a98c7bde9c for pr-145628
[INFO] extracting crate cardano-serialization-lib 15.0.1-beta.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate cardano-serialization-lib 15.0.1-beta.1
[INFO] finished tweaking crates.io crate cardano-serialization-lib 15.0.1-beta.1
[INFO] tweaked toml for crates.io crate cardano-serialization-lib 15.0.1-beta.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cardano-serialization-lib 15.0.1-beta.1 on toolchain 160e7623e8cbbf1feab2b6e2a24733a98c7bde9c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cardano-serialization-lib 15.0.1-beta.1 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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cbor_event v2.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec9f2378d6ac6886b4f5936b561b084eb750f4c7462ebe9244941289d230d14a
[INFO] running `Command { std: "docker" "start" "-a" "ec9f2378d6ac6886b4f5936b561b084eb750f4c7462ebe9244941289d230d14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec9f2378d6ac6886b4f5936b561b084eb750f4c7462ebe9244941289d230d14a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec9f2378d6ac6886b4f5936b561b084eb750f4c7462ebe9244941289d230d14a", kill_on_drop: false }`
[INFO] [stdout] ec9f2378d6ac6886b4f5936b561b084eb750f4c7462ebe9244941289d230d14a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f05d094d7ae4ce97afbc8adde7d07bf8d69dbb2d90162a9a9badb2df96ea1c1
[INFO] running `Command { std: "docker" "start" "-a" "1f05d094d7ae4ce97afbc8adde7d07bf8d69dbb2d90162a9a9badb2df96ea1c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling serde_json v1.0.135
[INFO] [stderr]    Compiling schemars v0.8.21
[INFO] [stderr]    Compiling cc v1.2.9
[INFO] [stderr]    Compiling cpufeatures v0.2.16
[INFO] [stderr]    Compiling cryptoxide v0.4.4
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling noop_proc_macro v0.3.0
[INFO] [stderr]    Compiling cbor_event v2.4.0
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling clear_on_drop v0.2.5
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling ed25519-bip32 v0.4.1
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling schemars_derive v0.8.21
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling hashlink v0.9.1
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling cardano-serialization-lib v15.0.1-beta.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.36s
[INFO] running `Command { std: "docker" "inspect" "1f05d094d7ae4ce97afbc8adde7d07bf8d69dbb2d90162a9a9badb2df96ea1c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f05d094d7ae4ce97afbc8adde7d07bf8d69dbb2d90162a9a9badb2df96ea1c1", kill_on_drop: false }`
[INFO] [stdout] 1f05d094d7ae4ce97afbc8adde7d07bf8d69dbb2d90162a9a9badb2df96ea1c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+160e7623e8cbbf1feab2b6e2a24733a98c7bde9c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160831fcc1b23169c0f75516b09698c3565149606ca73b070a7ba5a1f4b012b5
[INFO] running `Command { std: "docker" "start" "-a" "160831fcc1b23169c0f75516b09698c3565149606ca73b070a7ba5a1f4b012b5", kill_on_drop: false }`
[INFO] [stderr] error: failed to download `libc v0.2.169`
[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 `libc v0.2.169`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.169`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   Read-only file system (os error 30)
[INFO] running `Command { std: "docker" "inspect" "160831fcc1b23169c0f75516b09698c3565149606ca73b070a7ba5a1f4b012b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160831fcc1b23169c0f75516b09698c3565149606ca73b070a7ba5a1f4b012b5", kill_on_drop: false }`
[INFO] [stdout] 160831fcc1b23169c0f75516b09698c3565149606ca73b070a7ba5a1f4b012b5