[INFO] fetching crate tunnelto_lib 0.1.10...
[INFO] checking tunnelto_lib-0.1.10 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] extracting crate tunnelto_lib 0.1.10 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tunnelto_lib 0.1.10 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tunnelto_lib 0.1.10
[INFO] finished tweaking crates.io crate tunnelto_lib 0.1.10
[INFO] tweaked toml for crates.io crate tunnelto_lib 0.1.10 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f19297d8a1aebab28bc92f5cd9f3d1309aa08ac70aa5997a68dbed9cab8bcf0
[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" "9f19297d8a1aebab28bc92f5cd9f3d1309aa08ac70aa5997a68dbed9cab8bcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f19297d8a1aebab28bc92f5cd9f3d1309aa08ac70aa5997a68dbed9cab8bcf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f19297d8a1aebab28bc92f5cd9f3d1309aa08ac70aa5997a68dbed9cab8bcf0", kill_on_drop: false }`
[INFO] [stdout] 9f19297d8a1aebab28bc92f5cd9f3d1309aa08ac70aa5997a68dbed9cab8bcf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89aa556462e90752f9ec70f7dbfaa900a120a2b93827b83816ff7d2fc6599da7
[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" "89aa556462e90752f9ec70f7dbfaa900a120a2b93827b83816ff7d2fc6599da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking tunnelto_lib v0.1.10 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.85s
[INFO] running `Command { std: "docker" "inspect" "89aa556462e90752f9ec70f7dbfaa900a120a2b93827b83816ff7d2fc6599da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89aa556462e90752f9ec70f7dbfaa900a120a2b93827b83816ff7d2fc6599da7", kill_on_drop: false }`
[INFO] [stdout] 89aa556462e90752f9ec70f7dbfaa900a120a2b93827b83816ff7d2fc6599da7