[INFO] fetching crate safehouse 0.1.0...
[INFO] checking safehouse-0.1.0 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate safehouse 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate safehouse 0.1.0 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate safehouse 0.1.0
[INFO] finished tweaking crates.io crate safehouse 0.1.0
[INFO] tweaked toml for crates.io crate safehouse 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate safehouse 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 316b0f5b4c9ca2a16613c54d3a3528cc98167f82faaec93031da04fa74efed4e
[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" "316b0f5b4c9ca2a16613c54d3a3528cc98167f82faaec93031da04fa74efed4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "316b0f5b4c9ca2a16613c54d3a3528cc98167f82faaec93031da04fa74efed4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316b0f5b4c9ca2a16613c54d3a3528cc98167f82faaec93031da04fa74efed4e", kill_on_drop: false }`
[INFO] [stdout] 316b0f5b4c9ca2a16613c54d3a3528cc98167f82faaec93031da04fa74efed4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 140ca5ea7408739b4168d419bb47bb88eaa0cb13bd1cfd8c6eedf27ac017c4d1
[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" "140ca5ea7408739b4168d419bb47bb88eaa0cb13bd1cfd8c6eedf27ac017c4d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking safehouse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.79s
[INFO] running `Command { std: "docker" "inspect" "140ca5ea7408739b4168d419bb47bb88eaa0cb13bd1cfd8c6eedf27ac017c4d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140ca5ea7408739b4168d419bb47bb88eaa0cb13bd1cfd8c6eedf27ac017c4d1", kill_on_drop: false }`
[INFO] [stdout] 140ca5ea7408739b4168d419bb47bb88eaa0cb13bd1cfd8c6eedf27ac017c4d1