[INFO] fetching crate zc 0.1.2...
[INFO] checking zc-0.1.2 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate zc 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate zc 0.1.2 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zc 0.1.2
[INFO] finished tweaking crates.io crate zc 0.1.2
[INFO] tweaked toml for crates.io crate zc 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate zc 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecount v0.6.2
[INFO] [stderr]   Downloaded trybuild v1.0.35
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded dangerous v0.5.0
[INFO] [stderr]   Downloaded zc-derive v0.1.0
[INFO] [stderr]   Downloaded aliasable v0.1.2
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ada11881b8d7720e60a342923f3786bfc357388dd4e3d8a1dd2073755c5dd9b4
[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" "ada11881b8d7720e60a342923f3786bfc357388dd4e3d8a1dd2073755c5dd9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ada11881b8d7720e60a342923f3786bfc357388dd4e3d8a1dd2073755c5dd9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ada11881b8d7720e60a342923f3786bfc357388dd4e3d8a1dd2073755c5dd9b4", kill_on_drop: false }`
[INFO] [stdout] ada11881b8d7720e60a342923f3786bfc357388dd4e3d8a1dd2073755c5dd9b4
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf9a035e431913fb4312b8b4e320b5e29ce0a21fd794e94ac9ac505f2400bdc0
[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" "bf9a035e431913fb4312b8b4e320b5e29ce0a21fd794e94ac9ac505f2400bdc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling trybuild v1.0.35
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aliasable v0.1.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking dangerous v0.5.0
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling zc-derive v0.1.0
[INFO] [stderr]     Checking zc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.92s
[INFO] running `Command { std: "docker" "inspect" "bf9a035e431913fb4312b8b4e320b5e29ce0a21fd794e94ac9ac505f2400bdc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9a035e431913fb4312b8b4e320b5e29ce0a21fd794e94ac9ac505f2400bdc0", kill_on_drop: false }`
[INFO] [stdout] bf9a035e431913fb4312b8b4e320b5e29ce0a21fd794e94ac9ac505f2400bdc0