[INFO] fetching crate ascii-hangman 5.6.0...
[INFO] checking ascii-hangman-5.6.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate ascii-hangman 5.6.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate ascii-hangman 5.6.0 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 crates.io crate ascii-hangman 5.6.0
[INFO] finished tweaking crates.io crate ascii-hangman 5.6.0
[INFO] tweaked toml for crates.io crate ascii-hangman 5.6.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate ascii-hangman 5.6.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6ed2b1249fd8c7658123bc77115a1c35aeac1d35d55402544a37f568a0b3738c
[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" "6ed2b1249fd8c7658123bc77115a1c35aeac1d35d55402544a37f568a0b3738c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ed2b1249fd8c7658123bc77115a1c35aeac1d35d55402544a37f568a0b3738c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed2b1249fd8c7658123bc77115a1c35aeac1d35d55402544a37f568a0b3738c", kill_on_drop: false }`
[INFO] [stdout] 6ed2b1249fd8c7658123bc77115a1c35aeac1d35d55402544a37f568a0b3738c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] b7232e0fad65e4afb712cf560d8c4034eb95bff49cb17577d7f863ae1c2e2aef
[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" "b7232e0fad65e4afb712cf560d8c4034eb95bff49cb17577d7f863ae1c2e2aef", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking mio v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking ascii-hangman-backend v5.6.0
[INFO] [stderr]     Checking ascii-hangman v5.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.54s
[INFO] running `Command { std: "docker" "inspect" "b7232e0fad65e4afb712cf560d8c4034eb95bff49cb17577d7f863ae1c2e2aef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7232e0fad65e4afb712cf560d8c4034eb95bff49cb17577d7f863ae1c2e2aef", kill_on_drop: false }`
[INFO] [stdout] b7232e0fad65e4afb712cf560d8c4034eb95bff49cb17577d7f863ae1c2e2aef