[INFO] cloning repository https://github.com/Lisible/swyt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lisible/swyt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLisible%2Fswyt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLisible%2Fswyt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 420e809a9f1c46b85ecbe7c39838a94a841c79fa
[INFO] checking Lisible/swyt against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLisible%2Fswyt" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lisible/swyt on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lisible/swyt
[INFO] finished tweaking git repo https://github.com/Lisible/swyt
[INFO] tweaked toml for git repo https://github.com/Lisible/swyt written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Lisible/swyt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darwin-libproc v0.1.2
[INFO] [stderr]   Downloaded heim-cpu v0.0.10
[INFO] [stderr]   Downloaded heim-memory v0.0.10
[INFO] [stderr]   Downloaded heim-disk v0.0.10
[INFO] [stderr]   Downloaded darwin-libproc-sys v0.1.2
[INFO] [stderr]   Downloaded platforms v0.2.1
[INFO] [stderr]   Downloaded heim-host v0.0.10
[INFO] [stderr]   Downloaded uom v0.27.0
[INFO] [stderr]   Downloaded heim v0.0.10
[INFO] [stderr]   Downloaded pin-project-internal v0.4.19
[INFO] [stderr]   Downloaded heim-net v0.0.10
[INFO] [stderr]   Downloaded heim-sensors v0.0.5
[INFO] [stderr]   Downloaded pin-project v0.4.19
[INFO] [stderr]   Downloaded heim-common v0.0.10
[INFO] [stderr]   Downloaded heim-runtime v0.0.6
[INFO] [stderr]   Downloaded heim-virt v0.0.10
[INFO] [stderr]   Downloaded raw-cpuid v7.0.3
[INFO] [stderr]   Downloaded heim-process v0.0.10
[INFO] [stderr]   Downloaded hex v0.4.0
[INFO] [stderr]   Downloaded macaddr v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53ea6a639864ff127280da913e665fdfd098df395d4c6f2c528000dfbb78a0e3
[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" "53ea6a639864ff127280da913e665fdfd098df395d4c6f2c528000dfbb78a0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53ea6a639864ff127280da913e665fdfd098df395d4c6f2c528000dfbb78a0e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ea6a639864ff127280da913e665fdfd098df395d4c6f2c528000dfbb78a0e3", kill_on_drop: false }`
[INFO] [stdout] 53ea6a639864ff127280da913e665fdfd098df395d4c6f2c528000dfbb78a0e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b74d86e174e564a25ec95e35cb650730c638f79342e240ea90f8377fdb8e1ff7
[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" "b74d86e174e564a25ec95e35cb650730c638f79342e240ea90f8377fdb8e1ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]    Compiling heim-common v0.0.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling heim-host v0.0.10
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling raw-cpuid v7.0.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking uom v0.27.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.19
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking pin-project v0.4.19
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking heim-runtime v0.0.6
[INFO] [stderr]     Checking heim-cpu v0.0.10
[INFO] [stderr]     Checking heim-net v0.0.10
[INFO] [stderr]     Checking heim-memory v0.0.10
[INFO] [stderr]     Checking heim-sensors v0.0.5
[INFO] [stderr]     Checking heim-disk v0.0.10
[INFO] [stderr]     Checking heim-virt v0.0.10
[INFO] [stderr]     Checking heim-process v0.0.10
[INFO] [stderr]     Checking heim v0.0.10
[INFO] [stderr]     Checking swyt v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 18s
[INFO] running `Command { std: "docker" "inspect" "b74d86e174e564a25ec95e35cb650730c638f79342e240ea90f8377fdb8e1ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b74d86e174e564a25ec95e35cb650730c638f79342e240ea90f8377fdb8e1ff7", kill_on_drop: false }`
[INFO] [stdout] b74d86e174e564a25ec95e35cb650730c638f79342e240ea90f8377fdb8e1ff7