[INFO] fetching crate nachricht-serde 0.4.0...
[INFO] testing nachricht-serde-0.4.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1
[INFO] extracting crate nachricht-serde 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate nachricht-serde 0.4.0
[INFO] finished tweaking crates.io crate nachricht-serde 0.4.0
[INFO] tweaked toml for crates.io crate nachricht-serde 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nachricht-serde 0.4.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nachricht v0.4.0
[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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f22c0c9fe474dc9d301f4824f573556341d7db27d2dd9f03921294ff12f72366
[INFO] running `Command { std: "docker" "start" "-a" "f22c0c9fe474dc9d301f4824f573556341d7db27d2dd9f03921294ff12f72366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f22c0c9fe474dc9d301f4824f573556341d7db27d2dd9f03921294ff12f72366", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22c0c9fe474dc9d301f4824f573556341d7db27d2dd9f03921294ff12f72366", kill_on_drop: false }`
[INFO] [stdout] f22c0c9fe474dc9d301f4824f573556341d7db27d2dd9f03921294ff12f72366
[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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2d40bdf63005caa21f641371a58f10375995eb1074e2b6ad5402bcb69faf066
[INFO] running `Command { std: "docker" "start" "-a" "b2d40bdf63005caa21f641371a58f10375995eb1074e2b6ad5402bcb69faf066", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nachricht v0.4.0
[INFO] [stderr]    Compiling nachricht-serde v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "b2d40bdf63005caa21f641371a58f10375995eb1074e2b6ad5402bcb69faf066", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2d40bdf63005caa21f641371a58f10375995eb1074e2b6ad5402bcb69faf066", kill_on_drop: false }`
[INFO] [stdout] b2d40bdf63005caa21f641371a58f10375995eb1074e2b6ad5402bcb69faf066
[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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 038a80a10e42a896cd67438f467a937e671d75a998a55e45a6a57736c3685a1c
[INFO] running `Command { std: "docker" "start" "-a" "038a80a10e42a896cd67438f467a937e671d75a998a55e45a6a57736c3685a1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling nachricht-serde v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TupleStruct` is never constructed
[INFO] [stdout]    --> src/lib.rs:162:12
[INFO] [stdout]     |
[INFO] [stdout] 162 |     struct TupleStruct(char, char, char);
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 8.98s
[INFO] running `Command { std: "docker" "inspect" "038a80a10e42a896cd67438f467a937e671d75a998a55e45a6a57736c3685a1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "038a80a10e42a896cd67438f467a937e671d75a998a55e45a6a57736c3685a1c", kill_on_drop: false }`
[INFO] [stdout] 038a80a10e42a896cd67438f467a937e671d75a998a55e45a6a57736c3685a1c
[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=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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b89d266db07c4643601d32a32bbbcd1e71f9769fbbeb7dd66b46677b3a4afeb8
[INFO] running `Command { std: "docker" "start" "-a" "b89d266db07c4643601d32a32bbbcd1e71f9769fbbeb7dd66b46677b3a4afeb8", kill_on_drop: false }`
[INFO] [stderr] warning: struct `TupleStruct` is never constructed
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:162:12
[INFO] [stdout] running 1 test
[INFO] [stderr]     |
[INFO] [stdout] test tests::roundtrip ... ok
[INFO] [stderr] 162 |     struct TupleStruct(char, char, char);
[INFO] [stdout] 
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `nachricht-serde` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nachricht_serde-16582fd2527ac604)
[INFO] [stderr]    Doc-tests nachricht_serde
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b89d266db07c4643601d32a32bbbcd1e71f9769fbbeb7dd66b46677b3a4afeb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b89d266db07c4643601d32a32bbbcd1e71f9769fbbeb7dd66b46677b3a4afeb8", kill_on_drop: false }`
[INFO] [stdout] b89d266db07c4643601d32a32bbbcd1e71f9769fbbeb7dd66b46677b3a4afeb8