[INFO] fetching crate a2s 0.2.3...
[INFO] checking a2s-0.2.3 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate a2s 0.2.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate a2s 0.2.3 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a2s 0.2.3
[INFO] finished tweaking crates.io crate a2s 0.2.3
[INFO] tweaked toml for crates.io crate a2s 0.2.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 330e00933cf3a7c5190f63d448a7169ffbae31448aee7af3701a9f5b43cc5065
[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" "330e00933cf3a7c5190f63d448a7169ffbae31448aee7af3701a9f5b43cc5065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "330e00933cf3a7c5190f63d448a7169ffbae31448aee7af3701a9f5b43cc5065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "330e00933cf3a7c5190f63d448a7169ffbae31448aee7af3701a9f5b43cc5065", kill_on_drop: false }`
[INFO] [stdout] 330e00933cf3a7c5190f63d448a7169ffbae31448aee7af3701a9f5b43cc5065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34d20c547f1a1d0d8a1e56966b0bfd5ec8dae303dbc1fe910e6a14c929d91b57
[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" "34d20c547f1a1d0d8a1e56966b0bfd5ec8dae303dbc1fe910e6a14c929d91b57", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking a2s v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.95s
[INFO] running `Command { std: "docker" "inspect" "34d20c547f1a1d0d8a1e56966b0bfd5ec8dae303dbc1fe910e6a14c929d91b57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d20c547f1a1d0d8a1e56966b0bfd5ec8dae303dbc1fe910e6a14c929d91b57", kill_on_drop: false }`
[INFO] [stdout] 34d20c547f1a1d0d8a1e56966b0bfd5ec8dae303dbc1fe910e6a14c929d91b57