[INFO] fetching crate serde_ipld_dagcbor 0.6.1...
[INFO] checking serde_ipld_dagcbor-0.6.1 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate serde_ipld_dagcbor 0.6.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate serde_ipld_dagcbor 0.6.1 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate serde_ipld_dagcbor 0.6.1
[INFO] finished tweaking crates.io crate serde_ipld_dagcbor 0.6.1
[INFO] tweaked toml for crates.io crate serde_ipld_dagcbor 0.6.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate serde_ipld_dagcbor 0.6.1 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" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cid v0.11.1
[INFO] [stderr]   Downloaded cbor4ii v0.2.14
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.12
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.14
[INFO] [stderr]   Downloaded serde-transcode v1.1.1
[INFO] [stderr]   Downloaded ipld-core v0.4.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.14
[INFO] [stderr]   Downloaded syn v2.0.55
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f65fa258407cbd5c5bc51f61ed16ee1a5316b772439e3b2e6cfe12e3d1c047e9
[INFO] running `Command { std: "docker" "start" "-a" "f65fa258407cbd5c5bc51f61ed16ee1a5316b772439e3b2e6cfe12e3d1c047e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f65fa258407cbd5c5bc51f61ed16ee1a5316b772439e3b2e6cfe12e3d1c047e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65fa258407cbd5c5bc51f61ed16ee1a5316b772439e3b2e6cfe12e3d1c047e9", kill_on_drop: false }`
[INFO] [stdout] f65fa258407cbd5c5bc51f61ed16ee1a5316b772439e3b2e6cfe12e3d1c047e9
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0aca914bd977c2a256a63f0f76d1f7268fbb7aa5ad5c5799fe12ca0bf5e3315
[INFO] running `Command { std: "docker" "start" "-a" "b0aca914bd977c2a256a63f0f76d1f7268fbb7aa5ad5c5799fe12ca0bf5e3315", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling data-encoding v2.5.0
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking base-x v0.2.11
[INFO] [stderr]     Checking unsigned-varint v0.7.2
[INFO] [stderr]     Checking unsigned-varint v0.8.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.12
[INFO] [stderr]     Checking data-encoding-macro v0.1.14
[INFO] [stderr]     Checking multibase v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking multihash v0.19.1
[INFO] [stderr]     Checking cbor4ii v0.2.14
[INFO] [stderr]     Checking serde-transcode v1.1.1
[INFO] [stderr]     Checking cid v0.11.1
[INFO] [stderr]     Checking ipld-core v0.4.1
[INFO] [stderr]     Checking serde_ipld_dagcbor v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.49s
[INFO] running `Command { std: "docker" "inspect" "b0aca914bd977c2a256a63f0f76d1f7268fbb7aa5ad5c5799fe12ca0bf5e3315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0aca914bd977c2a256a63f0f76d1f7268fbb7aa5ad5c5799fe12ca0bf5e3315", kill_on_drop: false }`
[INFO] [stdout] b0aca914bd977c2a256a63f0f76d1f7268fbb7aa5ad5c5799fe12ca0bf5e3315