[INFO] fetching crate select 0.6.0-alpha.1...
[INFO] checking select-0.6.0-alpha.1 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate select 0.6.0-alpha.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate select 0.6.0-alpha.1 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate select 0.6.0-alpha.1
[INFO] finished tweaking crates.io crate select 0.6.0-alpha.1
[INFO] tweaked toml for crates.io crate select 0.6.0-alpha.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate select 0.6.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tendril v0.4.1
[INFO] [stderr]   Downloaded string_cache v0.8.0
[INFO] [stderr]   Downloaded html5ever v0.25.1
[INFO] [stderr]   Downloaded markup5ever_rcdom v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7301ce14fbf29e9673d5160b4ef204be16c580a4a1eb83b8233b9f6708af50bd
[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" "7301ce14fbf29e9673d5160b4ef204be16c580a4a1eb83b8233b9f6708af50bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7301ce14fbf29e9673d5160b4ef204be16c580a4a1eb83b8233b9f6708af50bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7301ce14fbf29e9673d5160b4ef204be16c580a4a1eb83b8233b9f6708af50bd", kill_on_drop: false }`
[INFO] [stdout] 7301ce14fbf29e9673d5160b4ef204be16c580a4a1eb83b8233b9f6708af50bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0bb594461b5605649df22457db243133965f2290155500845b44804121a138a3
[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" "0bb594461b5605649df22457db243133965f2290155500845b44804121a138a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling syn v1.0.45
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking bit-vec v0.6.2
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling string_cache_codegen v0.5.1
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]    Compiling speculate v0.1.2
[INFO] [stderr]    Compiling html5ever v0.25.1
[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]     Checking xml5ever v0.16.1
[INFO] [stderr]     Checking markup5ever_rcdom v0.1.0
[INFO] [stderr]     Checking select v0.6.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.09s
[INFO] running `Command { std: "docker" "inspect" "0bb594461b5605649df22457db243133965f2290155500845b44804121a138a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0bb594461b5605649df22457db243133965f2290155500845b44804121a138a3", kill_on_drop: false }`
[INFO] [stdout] 0bb594461b5605649df22457db243133965f2290155500845b44804121a138a3