[INFO] fetching crate source 0.2.1...
[INFO] testing source-0.2.1 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate source 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate source 0.2.1
[INFO] finished tweaking crates.io crate source 0.2.1
[INFO] tweaked toml for crates.io crate source 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate source 0.2.1 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]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding utf8-chars v0.1.4 (available: v3.0.5)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 2fc77af505ee57ea636903fd674e408431ffc9851f428fef5e6da1b9e752568f
[INFO] running `Command { std: "docker" "start" "-a" "2fc77af505ee57ea636903fd674e408431ffc9851f428fef5e6da1b9e752568f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fc77af505ee57ea636903fd674e408431ffc9851f428fef5e6da1b9e752568f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fc77af505ee57ea636903fd674e408431ffc9851f428fef5e6da1b9e752568f", kill_on_drop: false }`
[INFO] [stdout] 2fc77af505ee57ea636903fd674e408431ffc9851f428fef5e6da1b9e752568f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4172f268719b3e9fe4d570ac93365f0ae5f64e7706198643ef5725ddf21a73ee
[INFO] running `Command { std: "docker" "start" "-a" "4172f268719b3e9fe4d570ac93365f0ae5f64e7706198643ef5725ddf21a73ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling utf8-chars v0.1.4
[INFO] [stderr]    Compiling source v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "4172f268719b3e9fe4d570ac93365f0ae5f64e7706198643ef5725ddf21a73ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4172f268719b3e9fe4d570ac93365f0ae5f64e7706198643ef5725ddf21a73ee", kill_on_drop: false }`
[INFO] [stdout] 4172f268719b3e9fe4d570ac93365f0ae5f64e7706198643ef5725ddf21a73ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ccea20d209aa39b683f5e98449f49a4ff1a4bbbbfc718fa25d37cb905e5cff47
[INFO] running `Command { std: "docker" "start" "-a" "ccea20d209aa39b683f5e98449f49a4ff1a4bbbbfc718fa25d37cb905e5cff47", kill_on_drop: false }`
[INFO] [stderr]    Compiling source v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ccea20d209aa39b683f5e98449f49a4ff1a4bbbbfc718fa25d37cb905e5cff47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccea20d209aa39b683f5e98449f49a4ff1a4bbbbfc718fa25d37cb905e5cff47", kill_on_drop: false }`
[INFO] [stdout] ccea20d209aa39b683f5e98449f49a4ff1a4bbbbfc718fa25d37cb905e5cff47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd54afd8264fef4b8a0092c87fac1025550bf3532de0b585e251a161185457b7
[INFO] running `Command { std: "docker" "start" "-a" "cd54afd8264fef4b8a0092c87fac1025550bf3532de0b585e251a161185457b7", 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/source-318e418966013bb0)
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test test::append_works ... ok
[INFO] [stdout] test test::conversions::allows_to_convert_from_iterator ... ok
[INFO] [stdout] test test::conversions::allows_to_convert_into_iterator ... ok
[INFO] [stdout] test test::concat_works ... ok
[INFO] [stdout] test test::debug::debug_converts_into_source_macro ... ok
[INFO] [stdout] test test::count_works ... ok
[INFO] [stdout] test test::debug::debug_uses_debug ... ok
[INFO] [stdout] test test::filter_works ... ok
[INFO] [stdout] test test::flatmap_works ... ok
[INFO] [stdout] test test::fold_works ... ok
[INFO] [stdout] test test::flatten_works ... ok
[INFO] [stdout] test test::has_next::does_not_modify_the_source_elements ... ok
[INFO] [stdout] test test::has_next::returns_false_for_empty_sources ... ok
[INFO] [stdout] test test::has_next::returns_true_for_non_empty_sources ... ok
[INFO] [stdout] test test::join::works ... ok
[INFO] [stdout] test test::has_next::returns_false_when_all_elements_are_consumed ... ok
[INFO] [stdout] test test::join::works_with_both_str_and_string ... ok
[INFO] [stdout] test test::join::works_with_empty_inputs ... ok
[INFO] [stdout] test test::map_works ... ok
[INFO] [stdout] test test::peek::allows_to_peek_ahead ... ok
[INFO] [stdout] test test::peek::peek_works ... ok
[INFO] [stdout] test test::peek::peeking_works_after_next ... ok
[INFO] [stdout] test test::peek::peeking_does_not_consume_chars ... ok
[INFO] [stdout] test test::prepend_works ... ok
[INFO] [stdout] test test::source_macro::allows_to_create_sources_with_one_element ... ok
[INFO] [stdout] test test::source_macro::allows_to_create_empty_sources ... ok
[INFO] [stdout] test test::peek::peeking_works_twice ... ok
[INFO] [stdout] test test::source_macro::allows_to_replicate_a_given_element ... ok
[INFO] [stdout] test test::source_macro::allows_to_trailing_commas ... ok
[INFO] [stdout] test test::source_macro::allows_to_convert_from_elements ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests source
[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] running `Command { std: "docker" "inspect" "cd54afd8264fef4b8a0092c87fac1025550bf3532de0b585e251a161185457b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd54afd8264fef4b8a0092c87fac1025550bf3532de0b585e251a161185457b7", kill_on_drop: false }`
[INFO] [stdout] cd54afd8264fef4b8a0092c87fac1025550bf3532de0b585e251a161185457b7