[INFO] fetching crate ec2_instance_metadata 0.2.2...
[INFO] checking ec2_instance_metadata-0.2.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate ec2_instance_metadata 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate ec2_instance_metadata 0.2.2 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 ec2_instance_metadata 0.2.2
[INFO] finished tweaking crates.io crate ec2_instance_metadata 0.2.2
[INFO] tweaked toml for crates.io crate ec2_instance_metadata 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate ec2_instance_metadata 0.2.2 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]  Downloading crates ...
[INFO] [stderr]   Downloaded ureq v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46ac556a0ad6bf59dc6bfa9bf442b1ff2b6efa46f6b7daa5ae2b53b567ba3aa9
[INFO] running `Command { std: "docker" "start" "-a" "46ac556a0ad6bf59dc6bfa9bf442b1ff2b6efa46f6b7daa5ae2b53b567ba3aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "46ac556a0ad6bf59dc6bfa9bf442b1ff2b6efa46f6b7daa5ae2b53b567ba3aa9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ac556a0ad6bf59dc6bfa9bf442b1ff2b6efa46f6b7daa5ae2b53b567ba3aa9", kill_on_drop: false }`
[INFO] [stdout] 46ac556a0ad6bf59dc6bfa9bf442b1ff2b6efa46f6b7daa5ae2b53b567ba3aa9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 903df7c3a25e6bc0e462c3824fde629bea3eb3eaf7255d12642b95ee4d785f9f
[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" "903df7c3a25e6bc0e462c3824fde629bea3eb3eaf7255d12642b95ee4d785f9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking base64 v0.12.2
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking cookie v0.13.3
[INFO] [stderr]     Checking ureq v1.3.0
[INFO] [stderr]     Checking ec2_instance_metadata v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.51s
[INFO] running `Command { std: "docker" "inspect" "903df7c3a25e6bc0e462c3824fde629bea3eb3eaf7255d12642b95ee4d785f9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "903df7c3a25e6bc0e462c3824fde629bea3eb3eaf7255d12642b95ee4d785f9f", kill_on_drop: false }`
[INFO] [stdout] 903df7c3a25e6bc0e462c3824fde629bea3eb3eaf7255d12642b95ee4d785f9f