[INFO] fetching crate m6coll 0.2.0...
[INFO] testing m6coll-0.2.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate m6coll 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate m6coll 0.2.0
[INFO] finished tweaking crates.io crate m6coll 0.2.0
[INFO] tweaked toml for crates.io crate m6coll 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate m6coll 0.2.0 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded m6bitmap v0.1.0
[INFO] [stderr]   Downloaded m6arr v0.2.0
[INFO] [stderr]   Downloaded m6entry v0.1.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8f6ca7e164bedd454e288efec6166950af19428519c4d25b4f4713832f32c0a
[INFO] running `Command { std: "docker" "start" "-a" "b8f6ca7e164bedd454e288efec6166950af19428519c4d25b4f4713832f32c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8f6ca7e164bedd454e288efec6166950af19428519c4d25b4f4713832f32c0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f6ca7e164bedd454e288efec6166950af19428519c4d25b4f4713832f32c0a", kill_on_drop: false }`
[INFO] [stdout] b8f6ca7e164bedd454e288efec6166950af19428519c4d25b4f4713832f32c0a
[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] 9ed5dba0b581fb12dc66551bb9f11dce7c8de4e83362bdf52305819bedccd483
[INFO] running `Command { std: "docker" "start" "-a" "9ed5dba0b581fb12dc66551bb9f11dce7c8de4e83362bdf52305819bedccd483", kill_on_drop: false }`
[INFO] [stderr]    Compiling m6arr v0.2.0
[INFO] [stderr]    Compiling m6bitmap v0.1.0
[INFO] [stderr]    Compiling m6entry v0.1.0
[INFO] [stderr]    Compiling m6coll v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "9ed5dba0b581fb12dc66551bb9f11dce7c8de4e83362bdf52305819bedccd483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ed5dba0b581fb12dc66551bb9f11dce7c8de4e83362bdf52305819bedccd483", kill_on_drop: false }`
[INFO] [stdout] 9ed5dba0b581fb12dc66551bb9f11dce7c8de4e83362bdf52305819bedccd483
[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] 47ee2536631e60dbe935d59b0cfa492a238a9602009e596bb155f406aec6ea9a
[INFO] running `Command { std: "docker" "start" "-a" "47ee2536631e60dbe935d59b0cfa492a238a9602009e596bb155f406aec6ea9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling m6coll v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "47ee2536631e60dbe935d59b0cfa492a238a9602009e596bb155f406aec6ea9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ee2536631e60dbe935d59b0cfa492a238a9602009e596bb155f406aec6ea9a", kill_on_drop: false }`
[INFO] [stdout] 47ee2536631e60dbe935d59b0cfa492a238a9602009e596bb155f406aec6ea9a
[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] 7f3579ee0ef7cfa4e3ee37f753e2cd99ff14ef6f9935c78054880f367a024a14
[INFO] running `Command { std: "docker" "start" "-a" "7f3579ee0ef7cfa4e3ee37f753e2cd99ff14ef6f9935c78054880f367a024a14", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/m6coll-63f5ccf4c57a8424)
[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 m6coll
[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" "7f3579ee0ef7cfa4e3ee37f753e2cd99ff14ef6f9935c78054880f367a024a14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f3579ee0ef7cfa4e3ee37f753e2cd99ff14ef6f9935c78054880f367a024a14", kill_on_drop: false }`
[INFO] [stdout] 7f3579ee0ef7cfa4e3ee37f753e2cd99ff14ef6f9935c78054880f367a024a14