[INFO] fetching crate concourse-resource 0.2.0...
[INFO] checking concourse-resource-0.2.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate concourse-resource 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate concourse-resource 0.2.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate concourse-resource 0.2.0
[INFO] finished tweaking crates.io crate concourse-resource 0.2.0
[INFO] tweaked toml for crates.io crate concourse-resource 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate concourse-resource 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concourse-resource-derive v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2ec4666fea36676f812d9d02307b9f04dc3c1cc2af3a82fcb8ecf79691afb9b
[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" "a2ec4666fea36676f812d9d02307b9f04dc3c1cc2af3a82fcb8ecf79691afb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2ec4666fea36676f812d9d02307b9f04dc3c1cc2af3a82fcb8ecf79691afb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ec4666fea36676f812d9d02307b9f04dc3c1cc2af3a82fcb8ecf79691afb9b", kill_on_drop: false }`
[INFO] [stdout] a2ec4666fea36676f812d9d02307b9f04dc3c1cc2af3a82fcb8ecf79691afb9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 2337154165bd944a9a0aa42022589bd019e9606e798f4f55d010ae494e3ed61e
[INFO] running `Command { std: "docker" "start" "-a" "2337154165bd944a9a0aa42022589bd019e9606e798f4f55d010ae494e3ed61e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling concourse-resource-derive v0.1.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking concourse-resource v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.56s
[INFO] running `Command { std: "docker" "inspect" "2337154165bd944a9a0aa42022589bd019e9606e798f4f55d010ae494e3ed61e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2337154165bd944a9a0aa42022589bd019e9606e798f4f55d010ae494e3ed61e", kill_on_drop: false }`
[INFO] [stdout] 2337154165bd944a9a0aa42022589bd019e9606e798f4f55d010ae494e3ed61e