[INFO] fetching crate stackfmt 0.1.2...
[INFO] testing stackfmt-0.1.2 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate stackfmt 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate stackfmt 0.1.2
[INFO] finished tweaking crates.io crate stackfmt 0.1.2
[INFO] tweaked toml for crates.io crate stackfmt 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate stackfmt 0.1.2 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f02f794d1d59d65063449ea2fbbedd08b5ff9100c9b6f1e8ff93b85c1603db42
[INFO] running `Command { std: "docker" "start" "-a" "f02f794d1d59d65063449ea2fbbedd08b5ff9100c9b6f1e8ff93b85c1603db42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02f794d1d59d65063449ea2fbbedd08b5ff9100c9b6f1e8ff93b85c1603db42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02f794d1d59d65063449ea2fbbedd08b5ff9100c9b6f1e8ff93b85c1603db42", kill_on_drop: false }`
[INFO] [stdout] f02f794d1d59d65063449ea2fbbedd08b5ff9100c9b6f1e8ff93b85c1603db42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23d372d811580f3682f1f4c048afcd524950ae78d6a4ccb0c0e6a47ef884fe60
[INFO] running `Command { std: "docker" "start" "-a" "23d372d811580f3682f1f4c048afcd524950ae78d6a4ccb0c0e6a47ef884fe60", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackfmt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "23d372d811580f3682f1f4c048afcd524950ae78d6a4ccb0c0e6a47ef884fe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23d372d811580f3682f1f4c048afcd524950ae78d6a4ccb0c0e6a47ef884fe60", kill_on_drop: false }`
[INFO] [stdout] 23d372d811580f3682f1f4c048afcd524950ae78d6a4ccb0c0e6a47ef884fe60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2027af38cbc9aeff28a8b1998af21bf478610a580ea7aed1d88173b3dcde0607
[INFO] running `Command { std: "docker" "start" "-a" "2027af38cbc9aeff28a8b1998af21bf478610a580ea7aed1d88173b3dcde0607", kill_on_drop: false }`
[INFO] [stderr]    Compiling stackfmt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "2027af38cbc9aeff28a8b1998af21bf478610a580ea7aed1d88173b3dcde0607", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2027af38cbc9aeff28a8b1998af21bf478610a580ea7aed1d88173b3dcde0607", kill_on_drop: false }`
[INFO] [stdout] 2027af38cbc9aeff28a8b1998af21bf478610a580ea7aed1d88173b3dcde0607
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a19abaa1fcd58084a9872abf1aab7ec20f1da0cab430d366f7f164d32f347fdb
[INFO] running `Command { std: "docker" "start" "-a" "a19abaa1fcd58084a9872abf1aab7ec20f1da0cab430d366f7f164d32f347fdb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/stackfmt-2ed765701ce04842)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test stackfmt::tests::find_closest_boundary_test_ascii ... ok
[INFO] [stdout] test stackfmt::tests::format_truncate_ascii ... ok
[INFO] [stdout] test stackfmt::tests::format_truncate_ascii_second ... ok
[INFO] [stdout] test stackfmt::tests::find_closest_boundary_test_unicode ... ok
[INFO] [stdout] test stackfmt::tests::format_truncate_unicode ... ok
[INFO] [stdout] test stackfmt::tests::is_not_first_utf8_test ... ok
[INFO] [stdout] test stackfmt::tests::format_ok ... ok
[INFO] [stdout] test stackfmt::tests::format_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stackfmt
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/stackfmt.rs - stackfmt::WriteTo (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/stackfmt.rs - stackfmt::fmt_truncate (line 105) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a19abaa1fcd58084a9872abf1aab7ec20f1da0cab430d366f7f164d32f347fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19abaa1fcd58084a9872abf1aab7ec20f1da0cab430d366f7f164d32f347fdb", kill_on_drop: false }`
[INFO] [stdout] a19abaa1fcd58084a9872abf1aab7ec20f1da0cab430d366f7f164d32f347fdb