[INFO] cloning repository https://github.com/vmx/serde_ipld_dagjson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vmx/serde_ipld_dagjson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmx%2Fserde_ipld_dagjson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmx%2Fserde_ipld_dagjson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 777c87a6c36025c27ceeae07c3d0f538a5b165e8
[INFO] checking vmx/serde_ipld_dagjson against try#2277c63fa464d237b17b68d3b87f9fbb89e58a3e for pr-133570-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvmx%2Fserde_ipld_dagjson" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vmx/serde_ipld_dagjson on toolchain 2277c63fa464d237b17b68d3b87f9fbb89e58a3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vmx/serde_ipld_dagjson
[INFO] finished tweaking git repo https://github.com/vmx/serde_ipld_dagjson
[INFO] tweaked toml for git repo https://github.com/vmx/serde_ipld_dagjson written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/vmx/serde_ipld_dagjson 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" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ipld-core v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d1c84d8730b22f5d0f710a0fb241316b56c2b70823e0745411931ba3a20a813c
[INFO] running `Command { std: "docker" "start" "-a" "d1c84d8730b22f5d0f710a0fb241316b56c2b70823e0745411931ba3a20a813c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1c84d8730b22f5d0f710a0fb241316b56c2b70823e0745411931ba3a20a813c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1c84d8730b22f5d0f710a0fb241316b56c2b70823e0745411931ba3a20a813c", kill_on_drop: false }`
[INFO] [stdout] d1c84d8730b22f5d0f710a0fb241316b56c2b70823e0745411931ba3a20a813c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+2277c63fa464d237b17b68d3b87f9fbb89e58a3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d6a97b5263d1c59b2a8ae6253f5235d323009dec245b45b2d0f59c25d72fbac
[INFO] running `Command { std: "docker" "start" "-a" "7d6a97b5263d1c59b2a8ae6253f5235d323009dec245b45b2d0f59c25d72fbac", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.197
[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]    Compiling serde_json v1.0.111
[INFO] [stderr]     Checking ryu v1.0.16
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking core2 v0.4.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[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 multihash v0.19.1
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking cid v0.11.1
[INFO] [stderr]     Checking ipld-core v0.4.0
[INFO] [stderr]     Checking serde_ipld_dagjson v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.77s
[INFO] running `Command { std: "docker" "inspect" "7d6a97b5263d1c59b2a8ae6253f5235d323009dec245b45b2d0f59c25d72fbac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6a97b5263d1c59b2a8ae6253f5235d323009dec245b45b2d0f59c25d72fbac", kill_on_drop: false }`
[INFO] [stdout] 7d6a97b5263d1c59b2a8ae6253f5235d323009dec245b45b2d0f59c25d72fbac