[INFO] fetching crate async-stream-http-tunnel-grader 0.1.4...
[INFO] checking async-stream-http-tunnel-grader-0.1.4 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate async-stream-http-tunnel-grader 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate async-stream-http-tunnel-grader 0.1.4
[INFO] finished tweaking crates.io crate async-stream-http-tunnel-grader 0.1.4
[INFO] tweaked toml for crates.io crate async-stream-http-tunnel-grader 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-stream-http-tunnel-grader 0.1.4 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding async-http1-lite v0.1.5 (available: v0.3.2)
[INFO] [stderr]       Adding async-net v0.1.2 (available: v2.0.0)
[INFO] [stderr]       Adding async-stream-packed v0.1.16 (available: v0.2.2)
[INFO] [stderr]       Adding base64 v0.12.3 (available: v0.22.1)
[INFO] [stderr]       Adding futures-lite v0.1.11 (available: v2.6.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2087b07cfe73b7cc35544b3a2f0e635113821a00d37c1140083c8a4c694fead
[INFO] running `Command { std: "docker" "start" "-a" "a2087b07cfe73b7cc35544b3a2f0e635113821a00d37c1140083c8a4c694fead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2087b07cfe73b7cc35544b3a2f0e635113821a00d37c1140083c8a4c694fead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2087b07cfe73b7cc35544b3a2f0e635113821a00d37c1140083c8a4c694fead", kill_on_drop: false }`
[INFO] [stdout] a2087b07cfe73b7cc35544b3a2f0e635113821a00d37c1140083c8a4c694fead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d4ab94d06a96420a0f93099e83892c20db2aa3b115093ce05557ab9ced66a9
[INFO] running `Command { std: "docker" "start" "-a" "e3d4ab94d06a96420a0f93099e83892c20db2aa3b115093ce05557ab9ced66a9", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking waker-fn v1.2.0
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking fastrand v1.9.0
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking cache-padded v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking concurrent-queue v1.2.4
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking polling v0.1.9
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking async-net v0.1.2
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]     Checking async-stream-packed v0.1.16
[INFO] [stderr]     Checking async-stream-http-tunnel-grader v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.61s
[INFO] running `Command { std: "docker" "inspect" "e3d4ab94d06a96420a0f93099e83892c20db2aa3b115093ce05557ab9ced66a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d4ab94d06a96420a0f93099e83892c20db2aa3b115093ce05557ab9ced66a9", kill_on_drop: false }`
[INFO] [stdout] e3d4ab94d06a96420a0f93099e83892c20db2aa3b115093ce05557ab9ced66a9