[INFO] fetching crate exemplify-lib 0.1.6...
[INFO] testing exemplify-lib-0.1.6 against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940
[INFO] extracting crate exemplify-lib 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate exemplify-lib 0.1.6 on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exemplify-lib 0.1.6
[INFO] finished tweaking crates.io crate exemplify-lib 0.1.6
[INFO] tweaked toml for crates.io crate exemplify-lib 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding tokio v0.2.25 (available: v1.44.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb0e4af9542d6d85fb12207a2d98a38ae15b61146aea67277bb4e4027353a402
[INFO] running `Command { std: "docker" "start" "-a" "cb0e4af9542d6d85fb12207a2d98a38ae15b61146aea67277bb4e4027353a402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb0e4af9542d6d85fb12207a2d98a38ae15b61146aea67277bb4e4027353a402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0e4af9542d6d85fb12207a2d98a38ae15b61146aea67277bb4e4027353a402", kill_on_drop: false }`
[INFO] [stdout] cb0e4af9542d6d85fb12207a2d98a38ae15b61146aea67277bb4e4027353a402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 411139d2f1d18a74576b8744ad69f8dd61fd499d1ef58caa9036f260bbaae450
[INFO] running `Command { std: "docker" "start" "-a" "411139d2f1d18a74576b8744ad69f8dd61fd499d1ef58caa9036f260bbaae450", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling regex v1.11.1
[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 exemplify-lib v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.27s
[INFO] running `Command { std: "docker" "inspect" "411139d2f1d18a74576b8744ad69f8dd61fd499d1ef58caa9036f260bbaae450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "411139d2f1d18a74576b8744ad69f8dd61fd499d1ef58caa9036f260bbaae450", kill_on_drop: false }`
[INFO] [stdout] 411139d2f1d18a74576b8744ad69f8dd61fd499d1ef58caa9036f260bbaae450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d17386ce943f92231f492f0b77baf5ae9a6d6a83b94fd8ca654af9a4b06cbd7
[INFO] running `Command { std: "docker" "start" "-a" "7d17386ce943f92231f492f0b77baf5ae9a6d6a83b94fd8ca654af9a4b06cbd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling stringreader v0.1.1
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling exemplify-lib v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.39s
[INFO] running `Command { std: "docker" "inspect" "7d17386ce943f92231f492f0b77baf5ae9a6d6a83b94fd8ca654af9a4b06cbd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d17386ce943f92231f492f0b77baf5ae9a6d6a83b94fd8ca654af9a4b06cbd7", kill_on_drop: false }`
[INFO] [stdout] 7d17386ce943f92231f492f0b77baf5ae9a6d6a83b94fd8ca654af9a4b06cbd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ce64349dc93b05f759ffd82c701ef0fbbe132e980027af6e927db067de72174a
[INFO] running `Command { std: "docker" "start" "-a" "ce64349dc93b05f759ffd82c701ef0fbbe132e980027af6e927db067de72174a", 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/exemplify_lib-2204b5d440bf16d9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test layers::domain::collect_examples::test::test_example_producer ... ok
[INFO] [stdout] test layers::domain::collect_examples::test::test_left_align ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exemplify_lib
[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" "ce64349dc93b05f759ffd82c701ef0fbbe132e980027af6e927db067de72174a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce64349dc93b05f759ffd82c701ef0fbbe132e980027af6e927db067de72174a", kill_on_drop: false }`
[INFO] [stdout] ce64349dc93b05f759ffd82c701ef0fbbe132e980027af6e927db067de72174a