[INFO] fetching crate rtic-scope-frontend-dummy 0.1.0-alpha.0...
[INFO] checking rtic-scope-frontend-dummy-0.1.0-alpha.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate rtic-scope-frontend-dummy 0.1.0-alpha.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rtic-scope-frontend-dummy 0.1.0-alpha.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rtic-scope-frontend-dummy 0.1.0-alpha.0
[INFO] finished tweaking crates.io crate rtic-scope-frontend-dummy 0.1.0-alpha.0
[INFO] tweaked toml for crates.io crate rtic-scope-frontend-dummy 0.1.0-alpha.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rtic-scope-frontend-dummy 0.1.0-alpha.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efd5feb43b9cddde020b6a7061dbeaeb5bceb8a83629827d31fe7e69924a88c5
[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" "efd5feb43b9cddde020b6a7061dbeaeb5bceb8a83629827d31fe7e69924a88c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efd5feb43b9cddde020b6a7061dbeaeb5bceb8a83629827d31fe7e69924a88c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd5feb43b9cddde020b6a7061dbeaeb5bceb8a83629827d31fe7e69924a88c5", kill_on_drop: false }`
[INFO] [stdout] efd5feb43b9cddde020b6a7061dbeaeb5bceb8a83629827d31fe7e69924a88c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 50ba5f5313b3f1ba7cb76379df107ec597f19f76e856ebe23801fc148f361466
[INFO] running `Command { std: "docker" "start" "-a" "50ba5f5313b3f1ba7cb76379df107ec597f19f76e856ebe23801fc148f361466", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling cortex-m v0.7.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking wyz v0.4.0
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling cortex-m v0.6.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bitvec v0.22.3
[INFO] [stderr]    Compiling boolean_expression v0.3.11
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking as-slice v0.1.5
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking aligned v0.3.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling bitmatch v0.1.1
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking itm-decode v0.4.0-alpha.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rtic-scope-api v0.1.0-alpha.0
[INFO] [stderr]     Checking rtic-scope-frontend-dummy v0.1.0-alpha.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.00s
[INFO] running `Command { std: "docker" "inspect" "50ba5f5313b3f1ba7cb76379df107ec597f19f76e856ebe23801fc148f361466", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ba5f5313b3f1ba7cb76379df107ec597f19f76e856ebe23801fc148f361466", kill_on_drop: false }`
[INFO] [stdout] 50ba5f5313b3f1ba7cb76379df107ec597f19f76e856ebe23801fc148f361466