[INFO] fetching crate nil 0.15.0...
[INFO] testing nil-0.15.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate nil 0.15.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nil 0.15.0
[INFO] finished tweaking crates.io crate nil 0.15.0
[INFO] tweaked toml for crates.io crate nil 0.15.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nil 0.15.0 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] crate crates.io crate nil 0.15.0 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" "+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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] eb73868caf944d141ee240264152dd9bf93201399642f6e1a12968a93e2e4e09
[INFO] running `Command { std: "docker" "start" "-a" "eb73868caf944d141ee240264152dd9bf93201399642f6e1a12968a93e2e4e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb73868caf944d141ee240264152dd9bf93201399642f6e1a12968a93e2e4e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb73868caf944d141ee240264152dd9bf93201399642f6e1a12968a93e2e4e09", kill_on_drop: false }`
[INFO] [stdout] eb73868caf944d141ee240264152dd9bf93201399642f6e1a12968a93e2e4e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e2d050fa08f4c33a7d3e38d6a425c4baf162c76ca8e015bc91f29349ec69b18b
[INFO] running `Command { std: "docker" "start" "-a" "e2d050fa08f4c33a7d3e38d6a425c4baf162c76ca8e015bc91f29349ec69b18b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling smallvec v1.15.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]    Compiling nil v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.02s
[INFO] running `Command { std: "docker" "inspect" "e2d050fa08f4c33a7d3e38d6a425c4baf162c76ca8e015bc91f29349ec69b18b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2d050fa08f4c33a7d3e38d6a425c4baf162c76ca8e015bc91f29349ec69b18b", kill_on_drop: false }`
[INFO] [stdout] e2d050fa08f4c33a7d3e38d6a425c4baf162c76ca8e015bc91f29349ec69b18b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 107470a162b8e5a671ad10c68ee7c575d24bbafb798734cb90e94ed37f4eee79
[INFO] running `Command { std: "docker" "start" "-a" "107470a162b8e5a671ad10c68ee7c575d24bbafb798734cb90e94ed37f4eee79", kill_on_drop: false }`
[INFO] [stderr]    Compiling nil v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "107470a162b8e5a671ad10c68ee7c575d24bbafb798734cb90e94ed37f4eee79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "107470a162b8e5a671ad10c68ee7c575d24bbafb798734cb90e94ed37f4eee79", kill_on_drop: false }`
[INFO] [stdout] 107470a162b8e5a671ad10c68ee7c575d24bbafb798734cb90e94ed37f4eee79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 24b987d63930ba44fb790ccb1c086a07db9285fa56665d10aa8c08d1942a95c4
[INFO] running `Command { std: "docker" "start" "-a" "24b987d63930ba44fb790ccb1c086a07db9285fa56665d10aa8c08d1942a95c4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nil-16afcf7f706f9f48)
[INFO] [stderr]    Doc-tests nil
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - flat (line 55) ... ignored
[INFO] [stdout] test src/lib.rs - flat (line 62) ... ignored
[INFO] [stdout] test src/lib.rs - ShortToString (line 88) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "24b987d63930ba44fb790ccb1c086a07db9285fa56665d10aa8c08d1942a95c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24b987d63930ba44fb790ccb1c086a07db9285fa56665d10aa8c08d1942a95c4", kill_on_drop: false }`
[INFO] [stdout] 24b987d63930ba44fb790ccb1c086a07db9285fa56665d10aa8c08d1942a95c4