[INFO] fetching crate treentern 0.1.1...
[INFO] testing treentern-0.1.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate treentern 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate treentern 0.1.1
[INFO] finished tweaking crates.io crate treentern 0.1.1
[INFO] tweaked toml for crates.io crate treentern 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate treentern 0.1.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "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" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a96a7f9e02327e0034e8203638ee90e8222d2148fe24b1d1d54bffa54db58d6a
[INFO] running `Command { std: "docker" "start" "-a" "a96a7f9e02327e0034e8203638ee90e8222d2148fe24b1d1d54bffa54db58d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a96a7f9e02327e0034e8203638ee90e8222d2148fe24b1d1d54bffa54db58d6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a96a7f9e02327e0034e8203638ee90e8222d2148fe24b1d1d54bffa54db58d6a", kill_on_drop: false }`
[INFO] [stdout] a96a7f9e02327e0034e8203638ee90e8222d2148fe24b1d1d54bffa54db58d6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47eb57a4da7ef7d8ca11bfcecc89fce313d95bf056b1cf2b0a2b5d2ee7d1df99
[INFO] running `Command { std: "docker" "start" "-a" "47eb57a4da7ef7d8ca11bfcecc89fce313d95bf056b1cf2b0a2b5d2ee7d1df99", kill_on_drop: false }`
[INFO] [stderr]    Compiling treentern v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "47eb57a4da7ef7d8ca11bfcecc89fce313d95bf056b1cf2b0a2b5d2ee7d1df99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47eb57a4da7ef7d8ca11bfcecc89fce313d95bf056b1cf2b0a2b5d2ee7d1df99", kill_on_drop: false }`
[INFO] [stdout] 47eb57a4da7ef7d8ca11bfcecc89fce313d95bf056b1cf2b0a2b5d2ee7d1df99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a26db9bc7ec5d6b595351f19b3bc0fa68bf73e70c35d8ab8c235104f50bd54e
[INFO] running `Command { std: "docker" "start" "-a" "6a26db9bc7ec5d6b595351f19b3bc0fa68bf73e70c35d8ab8c235104f50bd54e", kill_on_drop: false }`
[INFO] [stderr]    Compiling treentern v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "6a26db9bc7ec5d6b595351f19b3bc0fa68bf73e70c35d8ab8c235104f50bd54e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a26db9bc7ec5d6b595351f19b3bc0fa68bf73e70c35d8ab8c235104f50bd54e", kill_on_drop: false }`
[INFO] [stdout] 6a26db9bc7ec5d6b595351f19b3bc0fa68bf73e70c35d8ab8c235104f50bd54e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43d6961e734546e7d72f4b86c6296f951e07516b2f5ccd35be3a543575b53516
[INFO] running `Command { std: "docker" "start" "-a" "43d6961e734546e7d72f4b86c6296f951e07516b2f5ccd35be3a543575b53516", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/treentern-00389feb4211eb92)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test arena::test::insert_arena ... ok
[INFO] [stdout] test test::intern_string ... ok
[INFO] [stdout] test test::intern_str ... ok
[INFO] [stdout] test arena::test::unsized_type ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests treentern
[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" "43d6961e734546e7d72f4b86c6296f951e07516b2f5ccd35be3a543575b53516", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43d6961e734546e7d72f4b86c6296f951e07516b2f5ccd35be3a543575b53516", kill_on_drop: false }`
[INFO] [stdout] 43d6961e734546e7d72f4b86c6296f951e07516b2f5ccd35be3a543575b53516