[INFO] fetching crate tailsome 1.0.0...
[INFO] testing tailsome-1.0.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate tailsome 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate tailsome 1.0.0
[INFO] finished tweaking crates.io crate tailsome 1.0.0
[INFO] tweaked toml for crates.io crate tailsome 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tailsome 1.0.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] [stderr]       Adding rstest v0.16.0 (available: v0.26.1)
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cfa774cce019bf72779bbcd07f40e0f9a7cf3ec8cb04ce560bafb25a4e4e84ce
[INFO] running `Command { std: "docker" "start" "-a" "cfa774cce019bf72779bbcd07f40e0f9a7cf3ec8cb04ce560bafb25a4e4e84ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfa774cce019bf72779bbcd07f40e0f9a7cf3ec8cb04ce560bafb25a4e4e84ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa774cce019bf72779bbcd07f40e0f9a7cf3ec8cb04ce560bafb25a4e4e84ce", kill_on_drop: false }`
[INFO] [stdout] cfa774cce019bf72779bbcd07f40e0f9a7cf3ec8cb04ce560bafb25a4e4e84ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e3debdf958b451b05295b171376f598308d32174c905549823df02115593d27f
[INFO] running `Command { std: "docker" "start" "-a" "e3debdf958b451b05295b171376f598308d32174c905549823df02115593d27f", kill_on_drop: false }`
[INFO] [stderr]    Compiling tailsome v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "e3debdf958b451b05295b171376f598308d32174c905549823df02115593d27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3debdf958b451b05295b171376f598308d32174c905549823df02115593d27f", kill_on_drop: false }`
[INFO] [stdout] e3debdf958b451b05295b171376f598308d32174c905549823df02115593d27f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] c8dc27eb8c1e0930a27da3def3e8c9b12aea649d1dc5de424f305c18a19a2181
[INFO] running `Command { std: "docker" "start" "-a" "c8dc27eb8c1e0930a27da3def3e8c9b12aea649d1dc5de424f305c18a19a2181", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rstest_macros v0.16.0
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling rstest v0.16.0
[INFO] [stderr]    Compiling tailsome v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 7.13s
[INFO] running `Command { std: "docker" "inspect" "c8dc27eb8c1e0930a27da3def3e8c9b12aea649d1dc5de424f305c18a19a2181", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8dc27eb8c1e0930a27da3def3e8c9b12aea649d1dc5de424f305c18a19a2181", kill_on_drop: false }`
[INFO] [stdout] c8dc27eb8c1e0930a27da3def3e8c9b12aea649d1dc5de424f305c18a19a2181
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4298a3eb6a8c54ad82beaee88692bfea8abc046bd9e7566c22d7cf78043175bf
[INFO] running `Command { std: "docker" "start" "-a" "4298a3eb6a8c54ad82beaee88692bfea8abc046bd9e7566c22d7cf78043175bf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tailsome-a0c50ffcebede0cc)
[INFO] [stderr]      Running tests/result.rs (/opt/rustwide/target/debug/deps/result-500450ea159d3c8f)
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test anything_can_be_err::case_1 ... ok
[INFO] [stdout] test anything_can_be_err::case_2 ... ok
[INFO] [stdout] test anything_can_be_err::case_3 ... ok
[INFO] [stdout] test anything_can_be_err::case_5 ... ok
[INFO] [stdout] test anything_can_be_ok::case_1 ... ok
[INFO] [stdout] test anything_can_be_ok::case_2 ... ok
[INFO] [stdout] test anything_can_be_ok::case_3 ... ok
[INFO] [stdout] test anything_can_be_ok::case_4 ... ok
[INFO] [stdout] test anything_can_be_err::case_4 ... ok
[INFO] [stdout] test anything_can_be_ok::case_5 ... ok
[INFO] [stderr]      Running tests/some.rs (/opt/rustwide/target/debug/deps/some-7523c96c94d8bac0)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test anything_can_be_something::case_2 ... ok
[INFO] [stdout] test anything_can_be_something::case_1 ... ok
[INFO] [stdout] test anything_can_be_something::case_3 ... ok
[INFO] [stdout] test anything_can_be_something::case_4 ... ok
[INFO] [stdout] test anything_can_be_something::case_5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tailsome
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.16s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4298a3eb6a8c54ad82beaee88692bfea8abc046bd9e7566c22d7cf78043175bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4298a3eb6a8c54ad82beaee88692bfea8abc046bd9e7566c22d7cf78043175bf", kill_on_drop: false }`
[INFO] [stdout] 4298a3eb6a8c54ad82beaee88692bfea8abc046bd9e7566c22d7cf78043175bf