[INFO] fetching crate fmt2io 0.2.1...
[INFO] testing fmt2io-0.2.1 against master#1ef7943ee607160a564655b6596f83670ef95df5 for pr-146098-6
[INFO] extracting crate fmt2io 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate fmt2io 0.2.1
[INFO] finished tweaking crates.io crate fmt2io 0.2.1
[INFO] tweaked toml for crates.io crate fmt2io 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fmt2io 0.2.1 on toolchain 1ef7943ee607160a564655b6596f83670ef95df5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "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" "+1ef7943ee607160a564655b6596f83670ef95df5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1ef7943ee607160a564655b6596f83670ef95df5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fmt2io v1.0.0
[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" "+1ef7943ee607160a564655b6596f83670ef95df5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8bc12d139f866ef5e48b9ce9a811d9f71bec060bf0515358020b3cd40d0bad7
[INFO] running `Command { std: "docker" "start" "-a" "f8bc12d139f866ef5e48b9ce9a811d9f71bec060bf0515358020b3cd40d0bad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8bc12d139f866ef5e48b9ce9a811d9f71bec060bf0515358020b3cd40d0bad7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bc12d139f866ef5e48b9ce9a811d9f71bec060bf0515358020b3cd40d0bad7", kill_on_drop: false }`
[INFO] [stdout] f8bc12d139f866ef5e48b9ce9a811d9f71bec060bf0515358020b3cd40d0bad7
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75c49f918b582bbcedc3ba1f2586812e8532b3a4602dbda5aae6fb874f0a6469
[INFO] running `Command { std: "docker" "start" "-a" "75c49f918b582bbcedc3ba1f2586812e8532b3a4602dbda5aae6fb874f0a6469", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling fmt2io v1.0.0
[INFO] [stderr]    Compiling fmt2io v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "75c49f918b582bbcedc3ba1f2586812e8532b3a4602dbda5aae6fb874f0a6469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c49f918b582bbcedc3ba1f2586812e8532b3a4602dbda5aae6fb874f0a6469", kill_on_drop: false }`
[INFO] [stdout] 75c49f918b582bbcedc3ba1f2586812e8532b3a4602dbda5aae6fb874f0a6469
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4bf4d82667733299857249e87edd30871fbb9bf621c3b0ae5f2b9064cc6495b
[INFO] running `Command { std: "docker" "start" "-a" "a4bf4d82667733299857249e87edd30871fbb9bf621c3b0ae5f2b9064cc6495b", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling fmt2io v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "a4bf4d82667733299857249e87edd30871fbb9bf621c3b0ae5f2b9064cc6495b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4bf4d82667733299857249e87edd30871fbb9bf621c3b0ae5f2b9064cc6495b", kill_on_drop: false }`
[INFO] [stdout] a4bf4d82667733299857249e87edd30871fbb9bf621c3b0ae5f2b9064cc6495b
[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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1ef7943ee607160a564655b6596f83670ef95df5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1adc8e869d9d4731fb4e65cc177554a754d7ebb9c83a10b008e1427df663cae3
[INFO] running `Command { std: "docker" "start" "-a" "1adc8e869d9d4731fb4e65cc177554a754d7ebb9c83a10b008e1427df663cae3", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmt2io-e72ec0d8f026c707)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests fmt2io
[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] error[E0464]: multiple candidates for `rlib` dependency `fmt2io` found
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | extern crate fmt2io;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: candidate #1: /opt/rustwide/target/debug/deps/libfmt2io-634a268602c5cacc.rlib
[INFO] [stderr]    = note: candidate #2: /opt/rustwide/target/debug/deps/libfmt2io-8eecbdb4cbe2a8b8.rlib
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 1 previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0464`.
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1ef7943ee607160a564655b6596f83670ef95df5/bin/rustdoc --edition=2015 --crate-type lib --color auto --crate-name fmt2io --test src/lib.rs --test-run-directory /opt/rustwide/workdir -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern fmt2io=/opt/rustwide/target/debug/deps/libfmt2io-8eecbdb4cbe2a8b8.rlib --extern fmt2io=/opt/rustwide/target/debug/deps/libfmt2io-634a268602c5cacc.rlib -C embed-bitcode=no --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' --cap-lints=forbid --error-format human` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "1adc8e869d9d4731fb4e65cc177554a754d7ebb9c83a10b008e1427df663cae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1adc8e869d9d4731fb4e65cc177554a754d7ebb9c83a10b008e1427df663cae3", kill_on_drop: false }`
[INFO] [stdout] 1adc8e869d9d4731fb4e65cc177554a754d7ebb9c83a10b008e1427df663cae3
