[INFO] fetching crate escher 0.3.0...
[INFO] testing escher-0.3.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate escher 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate escher 0.3.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate escher 0.3.0
[INFO] finished tweaking crates.io crate escher 0.3.0
[INFO] tweaked toml for crates.io crate escher 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ac751e44c14b4e64268ae3340c2caac9f797a6b06ae264a34f0446028cd2a83
[INFO] running `Command { std: "docker" "start" "-a" "8ac751e44c14b4e64268ae3340c2caac9f797a6b06ae264a34f0446028cd2a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ac751e44c14b4e64268ae3340c2caac9f797a6b06ae264a34f0446028cd2a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac751e44c14b4e64268ae3340c2caac9f797a6b06ae264a34f0446028cd2a83", kill_on_drop: false }`
[INFO] [stdout] 8ac751e44c14b4e64268ae3340c2caac9f797a6b06ae264a34f0446028cd2a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64f9f9ae14860d6a8d6df38ac90baccf8ba42d65137e1b75fffedf073d222357
[INFO] running `Command { std: "docker" "start" "-a" "64f9f9ae14860d6a8d6df38ac90baccf8ba42d65137e1b75fffedf073d222357", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling escher-derive v0.2.0
[INFO] [stderr]    Compiling escher v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.74s
[INFO] running `Command { std: "docker" "inspect" "64f9f9ae14860d6a8d6df38ac90baccf8ba42d65137e1b75fffedf073d222357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64f9f9ae14860d6a8d6df38ac90baccf8ba42d65137e1b75fffedf073d222357", kill_on_drop: false }`
[INFO] [stdout] 64f9f9ae14860d6a8d6df38ac90baccf8ba42d65137e1b75fffedf073d222357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efb92d1e962092005dff81721afc39f7f9aacaf36bc8da40fb98252e6e2224e4
[INFO] running `Command { std: "docker" "start" "-a" "efb92d1e962092005dff81721afc39f7f9aacaf36bc8da40fb98252e6e2224e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling escher v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "efb92d1e962092005dff81721afc39f7f9aacaf36bc8da40fb98252e6e2224e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb92d1e962092005dff81721afc39f7f9aacaf36bc8da40fb98252e6e2224e4", kill_on_drop: false }`
[INFO] [stdout] efb92d1e962092005dff81721afc39f7f9aacaf36bc8da40fb98252e6e2224e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9320bef2cd4217a0c779c7e23b3f686dd3b693ee3b02eb7c34414e8ec0093429
[INFO] running `Command { std: "docker" "start" "-a" "9320bef2cd4217a0c779c7e23b3f686dd3b693ee3b02eb7c34414e8ec0093429", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/escher-0219c826d6ed673f)
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::simple_mut_ref ... ok
[INFO] [stdout] test tests::simple_ref ... ok
[INFO] [stdout] test tests::adversarial_capture_non_stack - should panic ... ok
[INFO] [stdout] test tests::adversarial_sync_fn - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests escher
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/escher.rs - escher::RebindTo (line 16) ... ignored
[INFO] [stdout] test src/lib.rs - Rebindable (line 138) ... ok
[INFO] [stdout] test src/escher.rs - escher::Escher::new (line 71) ... ok
[INFO] [stdout] test src/lib.rs - (line 58) ... ok
[INFO] [stdout] test src/lib.rs - (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.50s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9320bef2cd4217a0c779c7e23b3f686dd3b693ee3b02eb7c34414e8ec0093429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9320bef2cd4217a0c779c7e23b3f686dd3b693ee3b02eb7c34414e8ec0093429", kill_on_drop: false }`
[INFO] [stdout] 9320bef2cd4217a0c779c7e23b3f686dd3b693ee3b02eb7c34414e8ec0093429