[INFO] fetching crate cargo-free 0.1.2...
[INFO] checking cargo-free-0.1.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate cargo-free 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate cargo-free 0.1.2 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 cargo-free 0.1.2
[INFO] finished tweaking crates.io crate cargo-free 0.1.2
[INFO] tweaked toml for crates.io crate cargo-free 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate cargo-free 0.1.2 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 indoc v1.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 7b195307e98d95c340cfc7b2d96e46f25ce5511d13ad73b2ab5ad4cb0380a351
[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" "7b195307e98d95c340cfc7b2d96e46f25ce5511d13ad73b2ab5ad4cb0380a351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b195307e98d95c340cfc7b2d96e46f25ce5511d13ad73b2ab5ad4cb0380a351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b195307e98d95c340cfc7b2d96e46f25ce5511d13ad73b2ab5ad4cb0380a351", kill_on_drop: false }`
[INFO] [stdout] 7b195307e98d95c340cfc7b2d96e46f25ce5511d13ad73b2ab5ad4cb0380a351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 776e948b7a0df2439bcd4f3dbcbf87a66350046c713e776a642f004cf1282640
[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" "776e948b7a0df2439bcd4f3dbcbf87a66350046c713e776a642f004cf1282640", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]    Compiling unindent v0.1.6
[INFO] [stderr]     Checking pico-args v0.3.3
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking qstring v0.7.2
[INFO] [stderr]    Compiling indoc v1.0.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[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 v0.19.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking ureq v1.3.0
[INFO] [stderr]     Checking cargo-free v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.62s
[INFO] running `Command { std: "docker" "inspect" "776e948b7a0df2439bcd4f3dbcbf87a66350046c713e776a642f004cf1282640", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "776e948b7a0df2439bcd4f3dbcbf87a66350046c713e776a642f004cf1282640", kill_on_drop: false }`
[INFO] [stdout] 776e948b7a0df2439bcd4f3dbcbf87a66350046c713e776a642f004cf1282640