[INFO] fetching crate tskit-derive 0.2.0...
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] crate tskit-derive 0.2.0 is already in cache
[INFO] checking tskit-derive-0.2.0 against master#21de280cccb4eb02ead6bf0af40e2355a9136d6f for pr-100043
[INFO] extracting crate tskit-derive 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate tskit-derive 0.2.0 on toolchain 21de280cccb4eb02ead6bf0af40e2355a9136d6f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tskit-derive 0.2.0
[INFO] finished tweaking crates.io crate tskit-derive 0.2.0
[INFO] tweaked toml for crates.io crate tskit-derive 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 908c83629296323c3b4f56365b5d52317997892f69ed23f6b58618b2d5bfc212
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "908c83629296323c3b4f56365b5d52317997892f69ed23f6b58618b2d5bfc212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "908c83629296323c3b4f56365b5d52317997892f69ed23f6b58618b2d5bfc212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908c83629296323c3b4f56365b5d52317997892f69ed23f6b58618b2d5bfc212", kill_on_drop: false }`
[INFO] [stdout] 908c83629296323c3b4f56365b5d52317997892f69ed23f6b58618b2d5bfc212
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+21de280cccb4eb02ead6bf0af40e2355a9136d6f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b04b19c7e66937c120af1c1916946a25e1ef3eaa8d001924db303a4d90b92b65
[INFO] running `Command { std: "docker" "start" "-a" "b04b19c7e66937c120af1c1916946a25e1ef3eaa8d001924db303a4d90b92b65", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tskit-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "b04b19c7e66937c120af1c1916946a25e1ef3eaa8d001924db303a4d90b92b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04b19c7e66937c120af1c1916946a25e1ef3eaa8d001924db303a4d90b92b65", kill_on_drop: false }`
[INFO] [stdout] b04b19c7e66937c120af1c1916946a25e1ef3eaa8d001924db303a4d90b92b65