[INFO] fetching crate string-join 0.1.2...
[INFO] testing string-join-0.1.2 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate string-join 0.1.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate string-join 0.1.2
[INFO] finished tweaking crates.io crate string-join 0.1.2
[INFO] tweaked toml for crates.io crate string-join 0.1.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate string-join 0.1.2 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3155a6e52bb15545b373547fec226dc48a4b220b6f44c34c57a202c24fe176e7
[INFO] running `Command { std: "docker" "start" "-a" "3155a6e52bb15545b373547fec226dc48a4b220b6f44c34c57a202c24fe176e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3155a6e52bb15545b373547fec226dc48a4b220b6f44c34c57a202c24fe176e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3155a6e52bb15545b373547fec226dc48a4b220b6f44c34c57a202c24fe176e7", kill_on_drop: false }`
[INFO] [stdout] 3155a6e52bb15545b373547fec226dc48a4b220b6f44c34c57a202c24fe176e7
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d01d1668a74a816d99526b1de9efb4db4355a0cddb240ca905f7dbbcf43ac79
[INFO] running `Command { std: "docker" "start" "-a" "5d01d1668a74a816d99526b1de9efb4db4355a0cddb240ca905f7dbbcf43ac79", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-join v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "5d01d1668a74a816d99526b1de9efb4db4355a0cddb240ca905f7dbbcf43ac79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d01d1668a74a816d99526b1de9efb4db4355a0cddb240ca905f7dbbcf43ac79", kill_on_drop: false }`
[INFO] [stdout] 5d01d1668a74a816d99526b1de9efb4db4355a0cddb240ca905f7dbbcf43ac79
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc6dfa7bdd90735d14ef94ce9541f4f4735fdadcb25f9c7e36ab9c6980c4b6a5
[INFO] running `Command { std: "docker" "start" "-a" "dc6dfa7bdd90735d14ef94ce9541f4f4735fdadcb25f9c7e36ab9c6980c4b6a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling string-join v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "dc6dfa7bdd90735d14ef94ce9541f4f4735fdadcb25f9c7e36ab9c6980c4b6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6dfa7bdd90735d14ef94ce9541f4f4735fdadcb25f9c7e36ab9c6980c4b6a5", kill_on_drop: false }`
[INFO] [stdout] dc6dfa7bdd90735d14ef94ce9541f4f4735fdadcb25f9c7e36ab9c6980c4b6a5
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5638631fc903fa46412ee8504d29102ed9ac6b0b623b8ac08efe16813a59edcf
[INFO] running `Command { std: "docker" "start" "-a" "5638631fc903fa46412ee8504d29102ed9ac6b0b623b8ac08efe16813a59edcf", 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/string_join-74108220035f6e02)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test as_ref::tests::join_hashset ... ok
[INFO] [stdout] test as_ref::tests::join_with_borrowed_string ... ok
[INFO] [stdout] test as_ref::tests::join_with_cow_string ... ok
[INFO] [stdout] test as_ref::tests::join_with_heap_string ... ok
[INFO] [stdout] test display::tests::join_with_borrowed_string ... ok
[INFO] [stdout] test display::tests::join_with_cow_string ... ok
[INFO] [stdout] test as_ref::tests::write_join_to_file ... ok
[INFO] [stdout] test display::tests::join_with_heap_string ... ok
[INFO] [stdout] test display::tests::join_hashset ... ok
[INFO] [stdout] test display::tests::write_join_to_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests string_join
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 15) - compile ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5638631fc903fa46412ee8504d29102ed9ac6b0b623b8ac08efe16813a59edcf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5638631fc903fa46412ee8504d29102ed9ac6b0b623b8ac08efe16813a59edcf", kill_on_drop: false }`
[INFO] [stdout] 5638631fc903fa46412ee8504d29102ed9ac6b0b623b8ac08efe16813a59edcf