[INFO] fetching crate tunnelto_lib 0.1.19...
[INFO] checking tunnelto_lib-0.1.19 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate tunnelto_lib 0.1.19 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate tunnelto_lib 0.1.19 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tunnelto_lib 0.1.19
[INFO] finished tweaking crates.io crate tunnelto_lib 0.1.19
[INFO] tweaked toml for crates.io crate tunnelto_lib 0.1.19 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d6dc77744724205f54327354caf035dc0834cc80de8bed7445d25e1e189c97b
[INFO] running `Command { std: "docker" "start" "-a" "3d6dc77744724205f54327354caf035dc0834cc80de8bed7445d25e1e189c97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d6dc77744724205f54327354caf035dc0834cc80de8bed7445d25e1e189c97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d6dc77744724205f54327354caf035dc0834cc80de8bed7445d25e1e189c97b", kill_on_drop: false }`
[INFO] [stdout] 3d6dc77744724205f54327354caf035dc0834cc80de8bed7445d25e1e189c97b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccd1880f138e7fc753f6880a3a7c296a93681ce5b11b66593c5eab2fad77d38f
[INFO] running `Command { std: "docker" "start" "-a" "ccd1880f138e7fc753f6880a3a7c296a93681ce5b11b66593c5eab2fad77d38f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking libc v0.2.108
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]    Compiling quote v1.0.10
[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]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking tunnelto_lib v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.37s
[INFO] running `Command { std: "docker" "inspect" "ccd1880f138e7fc753f6880a3a7c296a93681ce5b11b66593c5eab2fad77d38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccd1880f138e7fc753f6880a3a7c296a93681ce5b11b66593c5eab2fad77d38f", kill_on_drop: false }`
[INFO] [stdout] ccd1880f138e7fc753f6880a3a7c296a93681ce5b11b66593c5eab2fad77d38f