[INFO] cloning repository https://github.com/kirisaki/rust-lambda
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kirisaki/rust-lambda" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirisaki%2Frust-lambda", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirisaki%2Frust-lambda'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e71fbc5ddfef1bce1c1c46042e96c3911d9edb1
[INFO] testing kirisaki/rust-lambda against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkirisaki%2Frust-lambda" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kirisaki/rust-lambda on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kirisaki/rust-lambda
[INFO] finished tweaking git repo https://github.com/kirisaki/rust-lambda
[INFO] tweaked toml for git repo https://github.com/kirisaki/rust-lambda written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kirisaki/rust-lambda already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05fb837e24a5f764c0f1b566d0792d9fe6e55a81a4de64b7434c265706a25477
[INFO] running `Command { std: "docker" "start" "-a" "05fb837e24a5f764c0f1b566d0792d9fe6e55a81a4de64b7434c265706a25477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05fb837e24a5f764c0f1b566d0792d9fe6e55a81a4de64b7434c265706a25477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fb837e24a5f764c0f1b566d0792d9fe6e55a81a4de64b7434c265706a25477", kill_on_drop: false }`
[INFO] [stdout] 05fb837e24a5f764c0f1b566d0792d9fe6e55a81a4de64b7434c265706a25477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a3efac6eee13530ce09f1d455eba318b9c8c8b02a83ab4ff45d3612cbfb3eb5
[INFO] running `Command { std: "docker" "start" "-a" "9a3efac6eee13530ce09f1d455eba318b9c8c8b02a83ab4ff45d3612cbfb3eb5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::collections::hash_set::Union` that must be used
[INFO] [stdout]   --> src/main.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 e2.union(&e3);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the union as an iterator, without modifying either input set
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "9a3efac6eee13530ce09f1d455eba318b9c8c8b02a83ab4ff45d3612cbfb3eb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3efac6eee13530ce09f1d455eba318b9c8c8b02a83ab4ff45d3612cbfb3eb5", kill_on_drop: false }`
[INFO] [stdout] 9a3efac6eee13530ce09f1d455eba318b9c8c8b02a83ab4ff45d3612cbfb3eb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07c9dfff786b8aecf92050756a3bb794d5e1445eedfe3f762610021a3f57511f
[INFO] running `Command { std: "docker" "start" "-a" "07c9dfff786b8aecf92050756a3bb794d5e1445eedfe3f762610021a3f57511f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-lambda v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::collections::hash_set::Union` that must be used
[INFO] [stdout]   --> src/main.rs:66:17
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 e2.union(&e3);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this returns the union as an iterator, without modifying either input set
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "07c9dfff786b8aecf92050756a3bb794d5e1445eedfe3f762610021a3f57511f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c9dfff786b8aecf92050756a3bb794d5e1445eedfe3f762610021a3f57511f", kill_on_drop: false }`
[INFO] [stdout] 07c9dfff786b8aecf92050756a3bb794d5e1445eedfe3f762610021a3f57511f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 54060b951149187d72e28c376fdc64cf1f53b600d445d8158c93c4ad64cad9f4
[INFO] running `Command { std: "docker" "start" "-a" "54060b951149187d72e28c376fdc64cf1f53b600d445d8158c93c4ad64cad9f4", kill_on_drop: false }`
[INFO] [stderr] warning: unused `std::collections::hash_set::Union` that must be used
[INFO] [stderr]   --> src/main.rs:66:17
[INFO] [stderr]    |
[INFO] [stderr] 66 |                 e2.union(&e3);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this returns the union as an iterator, without modifying either input set
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-lambda` (bin "rust-lambda" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_lambda-d4edcbffef6df791)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "54060b951149187d72e28c376fdc64cf1f53b600d445d8158c93c4ad64cad9f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54060b951149187d72e28c376fdc64cf1f53b600d445d8158c93c4ad64cad9f4", kill_on_drop: false }`
[INFO] [stdout] 54060b951149187d72e28c376fdc64cf1f53b600d445d8158c93c4ad64cad9f4