[INFO] fetching crate arc-swap 1.0.0...
[INFO] checking arc-swap-1.0.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate arc-swap 1.0.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate arc-swap 1.0.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arc-swap 1.0.0
[INFO] finished tweaking crates.io crate arc-swap 1.0.0
[INFO] tweaked toml for crates.io crate arc-swap 1.0.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55b5456a3f13d9e27c1adf68bef44deed6dc85b315cf066a22ea3965b4acd2af
[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" "55b5456a3f13d9e27c1adf68bef44deed6dc85b315cf066a22ea3965b4acd2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55b5456a3f13d9e27c1adf68bef44deed6dc85b315cf066a22ea3965b4acd2af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b5456a3f13d9e27c1adf68bef44deed6dc85b315cf066a22ea3965b4acd2af", kill_on_drop: false }`
[INFO] [stdout] 55b5456a3f13d9e27c1adf68bef44deed6dc85b315cf066a22ea3965b4acd2af
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45a5ead64f623ae2491e0fc16c47b495c0f1ced725d1f061ce54913acab8d885
[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" "45a5ead64f623ae2491e0fc16c47b495c0f1ced725d1f061ce54913acab8d885", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking arc-swap v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking version-sync v0.9.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.75s
[INFO] running `Command { std: "docker" "inspect" "45a5ead64f623ae2491e0fc16c47b495c0f1ced725d1f061ce54913acab8d885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45a5ead64f623ae2491e0fc16c47b495c0f1ced725d1f061ce54913acab8d885", kill_on_drop: false }`
[INFO] [stdout] 45a5ead64f623ae2491e0fc16c47b495c0f1ced725d1f061ce54913acab8d885