[INFO] fetching crate rust7 0.1.2...
[INFO] testing rust7-0.1.2 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate rust7 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate rust7 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rust7 0.1.2
[INFO] tweaked toml for crates.io crate rust7 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust7 0.1.2 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rust7 0.1.2 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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22737dc8e4ad6c3c5c963ac9cd2a8ea8294150872ff6e3c155dbe298e050ff28
[INFO] running `Command { std: "docker" "start" "-a" "22737dc8e4ad6c3c5c963ac9cd2a8ea8294150872ff6e3c155dbe298e050ff28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22737dc8e4ad6c3c5c963ac9cd2a8ea8294150872ff6e3c155dbe298e050ff28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22737dc8e4ad6c3c5c963ac9cd2a8ea8294150872ff6e3c155dbe298e050ff28", kill_on_drop: false }`
[INFO] [stdout] 22737dc8e4ad6c3c5c963ac9cd2a8ea8294150872ff6e3c155dbe298e050ff28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 486798b6135f3be133e282976d644b3033803cfda91a9b23721cdb71ea4e414e
[INFO] running `Command { std: "docker" "start" "-a" "486798b6135f3be133e282976d644b3033803cfda91a9b23721cdb71ea4e414e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust7 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "486798b6135f3be133e282976d644b3033803cfda91a9b23721cdb71ea4e414e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486798b6135f3be133e282976d644b3033803cfda91a9b23721cdb71ea4e414e", kill_on_drop: false }`
[INFO] [stdout] 486798b6135f3be133e282976d644b3033803cfda91a9b23721cdb71ea4e414e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b311036db03858084ac923412cf2ca789e69a11d8938874458e7c373e0acb3c1
[INFO] running `Command { std: "docker" "start" "-a" "b311036db03858084ac923412cf2ca789e69a11d8938874458e7c373e0acb3c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust7 v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "b311036db03858084ac923412cf2ca789e69a11d8938874458e7c373e0acb3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b311036db03858084ac923412cf2ca789e69a11d8938874458e7c373e0acb3c1", kill_on_drop: false }`
[INFO] [stdout] b311036db03858084ac923412cf2ca789e69a11d8938874458e7c373e0acb3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e170b3258980716be739ce78931814f08e68b273335fcf003b96179863d7d534
[INFO] running `Command { std: "docker" "start" "-a" "e170b3258980716be739ce78931814f08e68b273335fcf003b96179863d7d534", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rust7-b796dd08d73a36aa)
[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 rust7
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/client.rs - client::S7Client::read_bit (line 887) ... FAILED
[INFO] [stdout] test src/client.rs - client::S7Client::write_bit (line 954) ... FAILED
[INFO] [stdout] test src/client.rs - client::S7Client::disconnect (line 490) ... FAILED
[INFO] [stdout] test src/client.rs - client::S7Client::connect_tsap (line 381) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/client.rs - client::S7Client::read_bit (line 887) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `reading`
[INFO] [stdout]  --> src/client.rs:888:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | Even reading a single bit requires an entire telegram.
[INFO] [stdout]   |      ^^^^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/client.rs - client::S7Client::write_bit (line 954) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `a`
[INFO] [stdout]  --> src/client.rs:955:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | Writing a bit affects only that bit, leaving adjacent bits in the byte unchanged. 
[INFO] [stdout]   |         ^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/client.rs - client::S7Client::disconnect (line 490) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `Client`
[INFO] [stdout]  --> src/client.rs:491:3
[INFO] [stdout]   |
[INFO] [stdout] 1 | A Client should be disconnected on low-level error (see read_area() and write_area() suggestion)
[INFO] [stdout]   |   ^^^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/client.rs - client::S7Client::connect_tsap (line 381) stdout ----
[INFO] [stdout] error: expected one of `!` or `::`, found `connection`
[INFO] [stdout]  --> src/client.rs:382:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | The connection port used is 102 (S7Protocol Port) unless you
[INFO] [stdout]   |     ^^^^^^^^^^ expected one of `!` or `::`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/client.rs - client::S7Client::connect_tsap (line 381)
[INFO] [stdout]     src/client.rs - client::S7Client::disconnect (line 490)
[INFO] [stdout]     src/client.rs - client::S7Client::read_bit (line 887)
[INFO] [stdout]     src/client.rs - client::S7Client::write_bit (line 954)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "e170b3258980716be739ce78931814f08e68b273335fcf003b96179863d7d534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e170b3258980716be739ce78931814f08e68b273335fcf003b96179863d7d534", kill_on_drop: false }`
[INFO] [stdout] e170b3258980716be739ce78931814f08e68b273335fcf003b96179863d7d534