[INFO] fetching crate mixin 0.2.0...
[INFO] checking mixin-0.2.0 against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] extracting crate mixin 0.2.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mixin 0.2.0 on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mixin 0.2.0
[INFO] finished tweaking crates.io crate mixin 0.2.0
[INFO] tweaked toml for crates.io crate mixin 0.2.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "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] 4867fb71bcbed19da8eb08a9f547b10bda508ff03a3917cf58085cd94ead5ee8
[INFO] running `Command { std: "docker" "start" "-a" "4867fb71bcbed19da8eb08a9f547b10bda508ff03a3917cf58085cd94ead5ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4867fb71bcbed19da8eb08a9f547b10bda508ff03a3917cf58085cd94ead5ee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4867fb71bcbed19da8eb08a9f547b10bda508ff03a3917cf58085cd94ead5ee8", kill_on_drop: false }`
[INFO] [stdout] 4867fb71bcbed19da8eb08a9f547b10bda508ff03a3917cf58085cd94ead5ee8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98df4e399e716361078ebd2205295d76e1e9ea3cc7825b57cdfe37ddab70bf20
[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" "98df4e399e716361078ebd2205295d76e1e9ea3cc7825b57cdfe37ddab70bf20", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking mixin v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.80s
[INFO] running `Command { std: "docker" "inspect" "98df4e399e716361078ebd2205295d76e1e9ea3cc7825b57cdfe37ddab70bf20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98df4e399e716361078ebd2205295d76e1e9ea3cc7825b57cdfe37ddab70bf20", kill_on_drop: false }`
[INFO] [stdout] 98df4e399e716361078ebd2205295d76e1e9ea3cc7825b57cdfe37ddab70bf20