[INFO] fetching crate snarc 0.1.0...
[INFO] testing snarc-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate snarc 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate snarc 0.1.0
[INFO] finished tweaking crates.io crate snarc 0.1.0
[INFO] tweaked toml for crates.io crate snarc 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snarc 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eba59266e4ff8b807f34df56c7b34bb6eaa8979daba9ebb35118d999d2eaa644
[INFO] running `Command { std: "docker" "start" "-a" "eba59266e4ff8b807f34df56c7b34bb6eaa8979daba9ebb35118d999d2eaa644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eba59266e4ff8b807f34df56c7b34bb6eaa8979daba9ebb35118d999d2eaa644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba59266e4ff8b807f34df56c7b34bb6eaa8979daba9ebb35118d999d2eaa644", kill_on_drop: false }`
[INFO] [stdout] eba59266e4ff8b807f34df56c7b34bb6eaa8979daba9ebb35118d999d2eaa644
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb6478df1974623c2e55592063a02b4eef346f3b61362bbb666d1f7f4e503379
[INFO] running `Command { std: "docker" "start" "-a" "fb6478df1974623c2e55592063a02b4eef346f3b61362bbb666d1f7f4e503379", kill_on_drop: false }`
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling snarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "fb6478df1974623c2e55592063a02b4eef346f3b61362bbb666d1f7f4e503379", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb6478df1974623c2e55592063a02b4eef346f3b61362bbb666d1f7f4e503379", kill_on_drop: false }`
[INFO] [stdout] fb6478df1974623c2e55592063a02b4eef346f3b61362bbb666d1f7f4e503379
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35920cfb3bdc65c84c45f8207d3631ae9d00fe77b9b1e189bc2bc07818156983
[INFO] running `Command { std: "docker" "start" "-a" "35920cfb3bdc65c84c45f8207d3631ae9d00fe77b9b1e189bc2bc07818156983", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling snarc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.75s
[INFO] running `Command { std: "docker" "inspect" "35920cfb3bdc65c84c45f8207d3631ae9d00fe77b9b1e189bc2bc07818156983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35920cfb3bdc65c84c45f8207d3631ae9d00fe77b9b1e189bc2bc07818156983", kill_on_drop: false }`
[INFO] [stdout] 35920cfb3bdc65c84c45f8207d3631ae9d00fe77b9b1e189bc2bc07818156983
[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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 579f47ed0575b21223200518014c154389c257b8d1f961d69ee12113c9c3542d
[INFO] running `Command { std: "docker" "start" "-a" "579f47ed0575b21223200518014c154389c257b8d1f961d69ee12113c9c3542d", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snarc-7c24bee501ef83ad)
[INFO] [stdout] running 24 tests
[INFO] [stdout] test default::tests::_tests::erased_narc_from_narc ... ok
[INFO] [stdout] test default::tests::_tests::erased_snarc_from_narc ... ok
[INFO] [stdout] test default::tests::_tests::erased_snarc_from_snarc ... ok
[INFO] [stdout] test default::tests::_tests::erased_narc_from_snarc ... ok
[INFO] [stdout] test default::tests::_tests::narc_into_erased ... ok
[INFO] [stdout] test default::tests::_tests::narc_into_snarc ... ok
[INFO] [stdout] test default::tests::_tests::narc_is_not_send ... ok
[INFO] [stdout] test default::tests::_tests::snarc_is_send_given_send ... ok
[INFO] [stdout] test default::tests::_tests::snarc_may_contain_refs ... ok
[INFO] [stdout] test default::tests::_tests::snarc_owns_its_value ... ok
[INFO] [stdout] test default::tests::_tests::snarc_ref_is_clonable ... ok
[INFO] [stdout] test default::tests::_tests::narc_is_sync_given_sync ... ok
[INFO] [stdout] test default::tests::_tests::narc_may_contain_refs ... ok
[INFO] [stdout] test default::tests::_tests::narc_owns_its_value ... ok
[INFO] [stdout] test default::tests::_tests::narc_refs_return_none_after_drop ... ok
[INFO] [stdout] test default::tests::_tests::snarc_into_erased ... ok
[INFO] [stdout] test default::tests::_tests::snarc_into_narc ... ok
[INFO] [stdout] test default::tests::_tests::snarc_ref_is_sync ... ok
[INFO] [stdout] test default::tests::_tests::snarc_refs_return_none_after_drop ... ok
[INFO] [stdout] test default::tests::_tests::snarc_is_sync_given_sync ... ok
[INFO] [stdout] test default::tests::_tests::snarc_ref ... ok
[INFO] [stdout] test default::tests::_tests::clone_snarc_ref_in_invalid_context_panics - should panic ... ok
[INFO] [stdout] test default::tests::_tests::snarc_ref_is_send ... ok
[INFO] [stderr]    Doc-tests snarc
[INFO] [stdout] test default::tests::_tests::drop_snarc_ref_in_invalid_context_panics - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 24 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "579f47ed0575b21223200518014c154389c257b8d1f961d69ee12113c9c3542d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "579f47ed0575b21223200518014c154389c257b8d1f961d69ee12113c9c3542d", kill_on_drop: false }`
[INFO] [stdout] 579f47ed0575b21223200518014c154389c257b8d1f961d69ee12113c9c3542d