[INFO] cloning repository https://github.com/taiki-e/cargo-hack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/taiki-e/cargo-hack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiki-e%2Fcargo-hack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiki-e%2Fcargo-hack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84b9e6a74485e4b0aa86ab88a94fa3f188786655
[INFO] checking taiki-e/cargo-hack against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftaiki-e%2Fcargo-hack" "/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/taiki-e/cargo-hack on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/taiki-e/cargo-hack
[INFO] finished tweaking git repo https://github.com/taiki-e/cargo-hack
[INFO] tweaked toml for git repo https://github.com/taiki-e/cargo-hack written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/taiki-e/cargo-hack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasi v0.10.1+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded fs-err v2.5.0
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded easy-ext v0.2.6
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded rand v0.8.2
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31f73d5ca9138384525d70e1cd11a7186dd164a26baf6111fe7d7c195c9688c6
[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" "31f73d5ca9138384525d70e1cd11a7186dd164a26baf6111fe7d7c195c9688c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31f73d5ca9138384525d70e1cd11a7186dd164a26baf6111fe7d7c195c9688c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f73d5ca9138384525d70e1cd11a7186dd164a26baf6111fe7d7c195c9688c6", kill_on_drop: false }`
[INFO] [stdout] 31f73d5ca9138384525d70e1cd11a7186dd164a26baf6111fe7d7c195c9688c6
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b1058bbb253f9ceb02a5e5b0d82db473ef1ba5cc4dbb8ca0d53ba5399e34c53
[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" "1b1058bbb253f9ceb02a5e5b0d82db473ef1ba5cc4dbb8ca0d53ba5399e34c53", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling serde v1.0.120
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fs-err v2.5.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking cargo-hack v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling easy-ext v0.2.6
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.11s
[INFO] running `Command { std: "docker" "inspect" "1b1058bbb253f9ceb02a5e5b0d82db473ef1ba5cc4dbb8ca0d53ba5399e34c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b1058bbb253f9ceb02a5e5b0d82db473ef1ba5cc4dbb8ca0d53ba5399e34c53", kill_on_drop: false }`
[INFO] [stdout] 1b1058bbb253f9ceb02a5e5b0d82db473ef1ba5cc4dbb8ca0d53ba5399e34c53