[INFO] cloning repository https://github.com/kepet19/skim-switcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kepet19/skim-switcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkepet19%2Fskim-switcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkepet19%2Fskim-switcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbee711f402176562b6d5b0d058949938151e02b
[INFO] checking kepet19/skim-switcher against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkepet19%2Fskim-switcher" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kepet19/skim-switcher on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kepet19/skim-switcher
[INFO] finished tweaking git repo https://github.com/kepet19/skim-switcher
[INFO] tweaked toml for git repo https://github.com/kepet19/skim-switcher written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/kepet19/skim-switcher already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29d16ebb00bc602691b19ec39b881127096aa7baa9032a36545f71ed4163ecd1
[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" "29d16ebb00bc602691b19ec39b881127096aa7baa9032a36545f71ed4163ecd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29d16ebb00bc602691b19ec39b881127096aa7baa9032a36545f71ed4163ecd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29d16ebb00bc602691b19ec39b881127096aa7baa9032a36545f71ed4163ecd1", kill_on_drop: false }`
[INFO] [stdout] 29d16ebb00bc602691b19ec39b881127096aa7baa9032a36545f71ed4163ecd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d97a4baee9e3ce6e16189cd955b759a54cfcd700747887937251bc111a45be43
[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" "d97a4baee9e3ce6e16189cd955b759a54cfcd700747887937251bc111a45be43", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]     Checking fuzzy-matcher v0.3.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.18
[INFO] [stderr]     Checking rayon-core v1.8.1
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking timer v0.2.0
[INFO] [stderr]     Checking tuikit v0.3.3
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking skim v0.8.2
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking swayipc v2.7.2
[INFO] [stderr]     Checking skim_switcher v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "d97a4baee9e3ce6e16189cd955b759a54cfcd700747887937251bc111a45be43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97a4baee9e3ce6e16189cd955b759a54cfcd700747887937251bc111a45be43", kill_on_drop: false }`
[INFO] [stdout] d97a4baee9e3ce6e16189cd955b759a54cfcd700747887937251bc111a45be43