[INFO] fetching crate sway-alttab 1.1.2...
[INFO] checking sway-alttab-1.1.2 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate sway-alttab 1.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sway-alttab 1.1.2 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sway-alttab 1.1.2
[INFO] finished tweaking crates.io crate sway-alttab 1.1.2
[INFO] tweaked toml for crates.io crate sway-alttab 1.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate sway-alttab 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded swayipc v2.2.4
[INFO] [stderr]   Downloaded daemonize v0.4.1
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3059c2fb9458ccc1ae38be01fd012283e2ffd604b60f2755e2b3058f3cc8713
[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" "a3059c2fb9458ccc1ae38be01fd012283e2ffd604b60f2755e2b3058f3cc8713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3059c2fb9458ccc1ae38be01fd012283e2ffd604b60f2755e2b3058f3cc8713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3059c2fb9458ccc1ae38be01fd012283e2ffd604b60f2755e2b3058f3cc8713", kill_on_drop: false }`
[INFO] [stdout] a3059c2fb9458ccc1ae38be01fd012283e2ffd604b60f2755e2b3058f3cc8713
[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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4464049ab248459ff8eb1f255988d5f690e71519afc0aadad1a7e05f23af213b
[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" "4464049ab248459ff8eb1f255988d5f690e71519afc0aadad1a7e05f23af213b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking boxfnonce v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking daemonize v0.4.1
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking swayipc v2.2.4
[INFO] [stderr]     Checking sway-alttab v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.52s
[INFO] running `Command { std: "docker" "inspect" "4464049ab248459ff8eb1f255988d5f690e71519afc0aadad1a7e05f23af213b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4464049ab248459ff8eb1f255988d5f690e71519afc0aadad1a7e05f23af213b", kill_on_drop: false }`
[INFO] [stdout] 4464049ab248459ff8eb1f255988d5f690e71519afc0aadad1a7e05f23af213b