[INFO] fetching crate n2 0.0.0...
[INFO] testing n2-0.0.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate n2 0.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate n2 0.0.0
[INFO] finished tweaking crates.io crate n2 0.0.0
[INFO] tweaked toml for crates.io crate n2 0.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate n2 0.0.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55cd38c217bc0ebab27e640f7e299daabd0c5d3587a3d891bf482e8f4dd24857
[INFO] running `Command { std: "docker" "start" "-a" "55cd38c217bc0ebab27e640f7e299daabd0c5d3587a3d891bf482e8f4dd24857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55cd38c217bc0ebab27e640f7e299daabd0c5d3587a3d891bf482e8f4dd24857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55cd38c217bc0ebab27e640f7e299daabd0c5d3587a3d891bf482e8f4dd24857", kill_on_drop: false }`
[INFO] [stdout] 55cd38c217bc0ebab27e640f7e299daabd0c5d3587a3d891bf482e8f4dd24857
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e529aaef78d7eb59e2d85fdea5fbd3420fde810f79179c15c2598d2a5501dc55
[INFO] running `Command { std: "docker" "start" "-a" "e529aaef78d7eb59e2d85fdea5fbd3420fde810f79179c15c2598d2a5501dc55", kill_on_drop: false }`
[INFO] [stderr]    Compiling n2 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "e529aaef78d7eb59e2d85fdea5fbd3420fde810f79179c15c2598d2a5501dc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e529aaef78d7eb59e2d85fdea5fbd3420fde810f79179c15c2598d2a5501dc55", kill_on_drop: false }`
[INFO] [stdout] e529aaef78d7eb59e2d85fdea5fbd3420fde810f79179c15c2598d2a5501dc55
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36116b81c2ac4331d714e679f1e2758778c0da0b13f1f191d2ff5581f126c416
[INFO] running `Command { std: "docker" "start" "-a" "36116b81c2ac4331d714e679f1e2758778c0da0b13f1f191d2ff5581f126c416", kill_on_drop: false }`
[INFO] [stderr]    Compiling n2 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "36116b81c2ac4331d714e679f1e2758778c0da0b13f1f191d2ff5581f126c416", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36116b81c2ac4331d714e679f1e2758778c0da0b13f1f191d2ff5581f126c416", kill_on_drop: false }`
[INFO] [stdout] 36116b81c2ac4331d714e679f1e2758778c0da0b13f1f191d2ff5581f126c416
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8d3df4f80724827945c7f4b2a7ddea98153c031e3d366c2408c45cd3748f6920
[INFO] running `Command { std: "docker" "start" "-a" "8d3df4f80724827945c7f4b2a7ddea98153c031e3d366c2408c45cd3748f6920", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/n2-107a29f0e737bc4d)
[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] [stderr]    Doc-tests n2
[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" "8d3df4f80724827945c7f4b2a7ddea98153c031e3d366c2408c45cd3748f6920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3df4f80724827945c7f4b2a7ddea98153c031e3d366c2408c45cd3748f6920", kill_on_drop: false }`
[INFO] [stdout] 8d3df4f80724827945c7f4b2a7ddea98153c031e3d366c2408c45cd3748f6920