[INFO] cloning repository https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whs-dot-hk/rust-lambda-test-2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Frust-lambda-test-2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Frust-lambda-test-2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6cf3993eca52268b28da9bb2b6a19a01ef8a49af
[INFO] testing whs-dot-hk/rust-lambda-test-2 against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Frust-lambda-test-2" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/rust-lambda-test-2 on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] finished tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] tweaked toml for git repo https://github.com/whs-dot-hk/rust-lambda-test-2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/whs-dot-hk/rust-lambda-test-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lambda_runtime v0.7.0
[INFO] [stderr]   Downloaded lambda_runtime_api_client v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d20732dc9b96d02e2aaf2ced6954d8e801cbc1f7587d9975c39b02f03770c659
[INFO] running `Command { std: "docker" "start" "-a" "d20732dc9b96d02e2aaf2ced6954d8e801cbc1f7587d9975c39b02f03770c659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d20732dc9b96d02e2aaf2ced6954d8e801cbc1f7587d9975c39b02f03770c659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d20732dc9b96d02e2aaf2ced6954d8e801cbc1f7587d9975c39b02f03770c659", kill_on_drop: false }`
[INFO] [stdout] d20732dc9b96d02e2aaf2ced6954d8e801cbc1f7587d9975c39b02f03770c659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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 -Copt-level=3" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98d1009bb265ee454789139854860cb7bb9497cb1ad51993057728896c448453
[INFO] running `Command { std: "docker" "start" "-a" "98d1009bb265ee454789139854860cb7bb9497cb1ad51993057728896c448453", kill_on_drop: false }`
[INFO] [stderr] error: failed to create directory `/opt/rustwide/target/debug/.fingerprint/aws_lambda_events-438f636c55f376ea`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "98d1009bb265ee454789139854860cb7bb9497cb1ad51993057728896c448453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d1009bb265ee454789139854860cb7bb9497cb1ad51993057728896c448453", kill_on_drop: false }`
[INFO] [stdout] 98d1009bb265ee454789139854860cb7bb9497cb1ad51993057728896c448453
[INFO] testing whs-dot-hk/rust-lambda-test-2 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Frust-lambda-test-2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/rust-lambda-test-2 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] finished tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] tweaked toml for git repo https://github.com/whs-dot-hk/rust-lambda-test-2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/whs-dot-hk/rust-lambda-test-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a39b08e50c9d3424c53800234554ac906e3652252fe5f7de8d14100fabeb4a9f
[INFO] running `Command { std: "docker" "start" "-a" "a39b08e50c9d3424c53800234554ac906e3652252fe5f7de8d14100fabeb4a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a39b08e50c9d3424c53800234554ac906e3652252fe5f7de8d14100fabeb4a9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a39b08e50c9d3424c53800234554ac906e3652252fe5f7de8d14100fabeb4a9f", kill_on_drop: false }`
[INFO] [stdout] a39b08e50c9d3424c53800234554ac906e3652252fe5f7de8d14100fabeb4a9f
[INFO] testing whs-dot-hk/rust-lambda-test-2 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Frust-lambda-test-2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/rust-lambda-test-2 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] finished tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] tweaked toml for git repo https://github.com/whs-dot-hk/rust-lambda-test-2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/whs-dot-hk/rust-lambda-test-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3f4dcd3dbd0aefb44efa0c14aa592ae8e2b96e8b6b0bdd629aefdebb4b29538
[INFO] running `Command { std: "docker" "start" "-a" "a3f4dcd3dbd0aefb44efa0c14aa592ae8e2b96e8b6b0bdd629aefdebb4b29538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3f4dcd3dbd0aefb44efa0c14aa592ae8e2b96e8b6b0bdd629aefdebb4b29538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f4dcd3dbd0aefb44efa0c14aa592ae8e2b96e8b6b0bdd629aefdebb4b29538", kill_on_drop: false }`
[INFO] [stdout] a3f4dcd3dbd0aefb44efa0c14aa592ae8e2b96e8b6b0bdd629aefdebb4b29538
[INFO] testing whs-dot-hk/rust-lambda-test-2 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Frust-lambda-test-2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/rust-lambda-test-2 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] finished tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] tweaked toml for git repo https://github.com/whs-dot-hk/rust-lambda-test-2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/whs-dot-hk/rust-lambda-test-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06ec7fecfd451e6129331991337f8550f0e726b7e7efda2311c20eb9c9792207
[INFO] running `Command { std: "docker" "start" "-a" "06ec7fecfd451e6129331991337f8550f0e726b7e7efda2311c20eb9c9792207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06ec7fecfd451e6129331991337f8550f0e726b7e7efda2311c20eb9c9792207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ec7fecfd451e6129331991337f8550f0e726b7e7efda2311c20eb9c9792207", kill_on_drop: false }`
[INFO] [stdout] 06ec7fecfd451e6129331991337f8550f0e726b7e7efda2311c20eb9c9792207
[INFO] testing whs-dot-hk/rust-lambda-test-2 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Frust-lambda-test-2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/rust-lambda-test-2 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] finished tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] tweaked toml for git repo https://github.com/whs-dot-hk/rust-lambda-test-2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/whs-dot-hk/rust-lambda-test-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22ff80d350e906033d6a3af14108b2782ad0c8aa55aec00cf4ab025774b4c9d5
[INFO] running `Command { std: "docker" "start" "-a" "22ff80d350e906033d6a3af14108b2782ad0c8aa55aec00cf4ab025774b4c9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22ff80d350e906033d6a3af14108b2782ad0c8aa55aec00cf4ab025774b4c9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22ff80d350e906033d6a3af14108b2782ad0c8aa55aec00cf4ab025774b4c9d5", kill_on_drop: false }`
[INFO] [stdout] 22ff80d350e906033d6a3af14108b2782ad0c8aa55aec00cf4ab025774b4c9d5
[INFO] testing whs-dot-hk/rust-lambda-test-2 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhs-dot-hk%2Frust-lambda-test-2" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whs-dot-hk/rust-lambda-test-2 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] finished tweaking git repo https://github.com/whs-dot-hk/rust-lambda-test-2
[INFO] tweaked toml for git repo https://github.com/whs-dot-hk/rust-lambda-test-2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/whs-dot-hk/rust-lambda-test-2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c901c4d1a4275114b925d5901916b01f96b4ba0908fc917d4020cc26fc1c2365
[INFO] running `Command { std: "docker" "start" "-a" "c901c4d1a4275114b925d5901916b01f96b4ba0908fc917d4020cc26fc1c2365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c901c4d1a4275114b925d5901916b01f96b4ba0908fc917d4020cc26fc1c2365", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c901c4d1a4275114b925d5901916b01f96b4ba0908fc917d4020cc26fc1c2365", kill_on_drop: false }`
[INFO] [stdout] c901c4d1a4275114b925d5901916b01f96b4ba0908fc917d4020cc26fc1c2365
[ERROR] this task or one of its parent failed!
[ERROR] command failed: exit status: 1
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.