[INFO] fetching crate cargo-hack 0.4.1...
[INFO] checking cargo-hack-0.4.1 against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] extracting crate cargo-hack 0.4.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate cargo-hack 0.4.1 on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-hack 0.4.1
[INFO] finished tweaking crates.io crate cargo-hack 0.4.1
[INFO] tweaked toml for crates.io crate cargo-hack 0.4.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate cargo-hack 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded easy-ext v0.2.3
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] a8104d9221090bda595c54318ef50a151a92c67c1de886a0129717592f93628e
[INFO] running `Command { std: "docker" "start" "-a" "a8104d9221090bda595c54318ef50a151a92c67c1de886a0129717592f93628e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8104d9221090bda595c54318ef50a151a92c67c1de886a0129717592f93628e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8104d9221090bda595c54318ef50a151a92c67c1de886a0129717592f93628e", kill_on_drop: false }`
[INFO] [stdout] a8104d9221090bda595c54318ef50a151a92c67c1de886a0129717592f93628e
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed4905d20fe87ad256e90bc60e45d678bb33d0f8e0dc9d2e12b33f17db49a8f7
[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" "ed4905d20fe87ad256e90bc60e45d678bb33d0f8e0dc9d2e12b33f17db49a8f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling rustversion v1.0.3
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking anyhow v1.0.33
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking cargo-hack v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling easy-ext v0.2.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.76s
[INFO] running `Command { std: "docker" "inspect" "ed4905d20fe87ad256e90bc60e45d678bb33d0f8e0dc9d2e12b33f17db49a8f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed4905d20fe87ad256e90bc60e45d678bb33d0f8e0dc9d2e12b33f17db49a8f7", kill_on_drop: false }`
[INFO] [stdout] ed4905d20fe87ad256e90bc60e45d678bb33d0f8e0dc9d2e12b33f17db49a8f7