[INFO] fetching crate appendreturn 0.1.0...
[INFO] testing appendreturn-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate appendreturn 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate appendreturn 0.1.0
[INFO] finished tweaking crates.io crate appendreturn 0.1.0
[INFO] tweaked toml for crates.io crate appendreturn 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate appendreturn 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate appendreturn 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35da0d653aaff649c3c59b0e1c7cfb20a84c985338fede16fe8d0dd7d23db424
[INFO] running `Command { std: "docker" "start" "-a" "35da0d653aaff649c3c59b0e1c7cfb20a84c985338fede16fe8d0dd7d23db424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35da0d653aaff649c3c59b0e1c7cfb20a84c985338fede16fe8d0dd7d23db424", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35da0d653aaff649c3c59b0e1c7cfb20a84c985338fede16fe8d0dd7d23db424", kill_on_drop: false }`
[INFO] [stdout] 35da0d653aaff649c3c59b0e1c7cfb20a84c985338fede16fe8d0dd7d23db424
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0b9c97776d736aa853198abb8301f76d97fd881b229d0cde26c41da98d784ea
[INFO] running `Command { std: "docker" "start" "-a" "b0b9c97776d736aa853198abb8301f76d97fd881b229d0cde26c41da98d784ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling appendreturn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `Command { std: "docker" "inspect" "b0b9c97776d736aa853198abb8301f76d97fd881b229d0cde26c41da98d784ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b9c97776d736aa853198abb8301f76d97fd881b229d0cde26c41da98d784ea", kill_on_drop: false }`
[INFO] [stdout] b0b9c97776d736aa853198abb8301f76d97fd881b229d0cde26c41da98d784ea
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc2546e73e07c628b59290bab1728211a4ca2e6df2513ae062b288e87352a62f
[INFO] running `Command { std: "docker" "start" "-a" "bc2546e73e07c628b59290bab1728211a4ca2e6df2513ae062b288e87352a62f", kill_on_drop: false }`
[INFO] [stderr]    Compiling appendreturn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "bc2546e73e07c628b59290bab1728211a4ca2e6df2513ae062b288e87352a62f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc2546e73e07c628b59290bab1728211a4ca2e6df2513ae062b288e87352a62f", kill_on_drop: false }`
[INFO] [stdout] bc2546e73e07c628b59290bab1728211a4ca2e6df2513ae062b288e87352a62f
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3153b30c1d664ebf6361fa59f8ac5bb30044889f60a4465b544c55f109052a91
[INFO] running `Command { std: "docker" "start" "-a" "3153b30c1d664ebf6361fa59f8ac5bb30044889f60a4465b544c55f109052a91", 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/appendreturn-733b8ebf7fcf0f86)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests appendreturn
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] test src/lib.rs - String::append_and_return (line 18) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.59s; merged doctests compilation took 0.57s
[INFO] running `Command { std: "docker" "inspect" "3153b30c1d664ebf6361fa59f8ac5bb30044889f60a4465b544c55f109052a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3153b30c1d664ebf6361fa59f8ac5bb30044889f60a4465b544c55f109052a91", kill_on_drop: false }`
[INFO] [stdout] 3153b30c1d664ebf6361fa59f8ac5bb30044889f60a4465b544c55f109052a91