[INFO] fetching crate libsts 0.3.1...
[INFO] testing libsts-0.3.1 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate libsts 0.3.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libsts 0.3.1 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libsts 0.3.1
[INFO] finished tweaking crates.io crate libsts 0.3.1
[INFO] tweaked toml for crates.io crate libsts 0.3.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e5e332373348d4ce3bd933c943d6eb4ec445e7389be814d8037ba579f783bb78
[INFO] running `Command { std: "docker" "start" "-a" "e5e332373348d4ce3bd933c943d6eb4ec445e7389be814d8037ba579f783bb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5e332373348d4ce3bd933c943d6eb4ec445e7389be814d8037ba579f783bb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5e332373348d4ce3bd933c943d6eb4ec445e7389be814d8037ba579f783bb78", kill_on_drop: false }`
[INFO] [stdout] e5e332373348d4ce3bd933c943d6eb4ec445e7389be814d8037ba579f783bb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0359479865e3787a0014c934a0bca28ce6554a55774f7c9346360b80e077b9a4
[INFO] running `Command { std: "docker" "start" "-a" "0359479865e3787a0014c934a0bca28ce6554a55774f7c9346360b80e077b9a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling libsts v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `Command { std: "docker" "inspect" "0359479865e3787a0014c934a0bca28ce6554a55774f7c9346360b80e077b9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0359479865e3787a0014c934a0bca28ce6554a55774f7c9346360b80e077b9a4", kill_on_drop: false }`
[INFO] [stdout] 0359479865e3787a0014c934a0bca28ce6554a55774f7c9346360b80e077b9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f4f631db9e8e072b93d70df9eba8ec96b24e26a91f602635077ad6af9b166ef
[INFO] running `Command { std: "docker" "start" "-a" "0f4f631db9e8e072b93d70df9eba8ec96b24e26a91f602635077ad6af9b166ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwatch v0.1.5
[INFO] [stderr]    Compiling libsts v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.89s
[INFO] running `Command { std: "docker" "inspect" "0f4f631db9e8e072b93d70df9eba8ec96b24e26a91f602635077ad6af9b166ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f4f631db9e8e072b93d70df9eba8ec96b24e26a91f602635077ad6af9b166ef", kill_on_drop: false }`
[INFO] [stdout] 0f4f631db9e8e072b93d70df9eba8ec96b24e26a91f602635077ad6af9b166ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c88691f188f1a4609b089dcd0885935ab026fdb149fd6b2a6e1875abe48e337a
[INFO] running `Command { std: "docker" "start" "-a" "c88691f188f1a4609b089dcd0885935ab026fdb149fd6b2a6e1875abe48e337a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/libsts-d9ec7d8ed9db6912)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests libsts
[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 1 test
[INFO] [stdout] test src/save.rs - save::Save::new (line 164) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c88691f188f1a4609b089dcd0885935ab026fdb149fd6b2a6e1875abe48e337a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c88691f188f1a4609b089dcd0885935ab026fdb149fd6b2a6e1875abe48e337a", kill_on_drop: false }`
[INFO] [stdout] c88691f188f1a4609b089dcd0885935ab026fdb149fd6b2a6e1875abe48e337a