[INFO] fetching crate ec2_instance_metadata 0.3.0...
[INFO] checking ec2_instance_metadata-0.3.0 against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] extracting crate ec2_instance_metadata 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate ec2_instance_metadata 0.3.0 on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ec2_instance_metadata 0.3.0
[INFO] finished tweaking crates.io crate ec2_instance_metadata 0.3.0
[INFO] tweaked toml for crates.io crate ec2_instance_metadata 0.3.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate ec2_instance_metadata 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48b993275819654b661cc483470d82ec4d4c25d51763d69f30b48b550855b488
[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" "48b993275819654b661cc483470d82ec4d4c25d51763d69f30b48b550855b488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48b993275819654b661cc483470d82ec4d4c25d51763d69f30b48b550855b488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48b993275819654b661cc483470d82ec4d4c25d51763d69f30b48b550855b488", kill_on_drop: false }`
[INFO] [stdout] 48b993275819654b661cc483470d82ec4d4c25d51763d69f30b48b550855b488
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] b608c2d0f72bde7c0fcde4680a0cbe76b7ed0ae857a7496d31e3563160efa690
[INFO] running `Command { std: "docker" "start" "-a" "b608c2d0f72bde7c0fcde4680a0cbe76b7ed0ae857a7496d31e3563160efa690", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking chunked_transfer v1.2.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling standback v0.2.9
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling cookie v0.14.2
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking ureq v1.4.0
[INFO] [stderr]     Checking ec2_instance_metadata v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.08s
[INFO] running `Command { std: "docker" "inspect" "b608c2d0f72bde7c0fcde4680a0cbe76b7ed0ae857a7496d31e3563160efa690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b608c2d0f72bde7c0fcde4680a0cbe76b7ed0ae857a7496d31e3563160efa690", kill_on_drop: false }`
[INFO] [stdout] b608c2d0f72bde7c0fcde4680a0cbe76b7ed0ae857a7496d31e3563160efa690