[INFO] fetching crate limousine_engine 0.3.4...
[INFO] testing limousine_engine-0.3.4 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate limousine_engine 0.3.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate limousine_engine 0.3.4
[INFO] finished tweaking crates.io crate limousine_engine 0.3.4
[INFO] tweaked toml for crates.io crate limousine_engine 0.3.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate limousine_engine 0.3.4 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 62 packages to latest compatible versions
[INFO] [stderr]       Adding zstd-sys v2.0.9+zstd.1.5.5 (available: v2.0.16+zstd.1.5.7)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5690e26c802d59b1b956d63175386200d3cbabd6d76fe00b1929220b4e542f70
[INFO] running `Command { std: "docker" "start" "-a" "5690e26c802d59b1b956d63175386200d3cbabd6d76fe00b1929220b4e542f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5690e26c802d59b1b956d63175386200d3cbabd6d76fe00b1929220b4e542f70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5690e26c802d59b1b956d63175386200d3cbabd6d76fe00b1929220b4e542f70", kill_on_drop: false }`
[INFO] [stdout] 5690e26c802d59b1b956d63175386200d3cbabd6d76fe00b1929220b4e542f70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1062ee1e092eb076f9d0e99ae069a5893b470436e9162d53e0acfdbd27c55265
[INFO] running `Command { std: "docker" "start" "-a" "1062ee1e092eb076f9d0e99ae069a5893b470436e9162d53e0acfdbd27c55265", kill_on_drop: false }`
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling stack-map v1.0.5
[INFO] [stderr]    Compiling slice_search v0.1.2
[INFO] [stderr]    Compiling fault-injection v1.0.10
[INFO] [stderr]    Compiling pagetable v0.4.6
[INFO] [stderr]    Compiling jobserver v0.1.34
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling generational-arena v0.2.9
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling md5 v0.7.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling shared-local-state v0.1.4
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling ebr v0.2.13
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling concurrent-map v5.0.37
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling trait-set v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling limousine_derive v0.3.4
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling marble v15.0.7
[INFO] [stderr]    Compiling sorted_array v0.1.3
[INFO] [stderr]    Compiling id_allocator v0.1.0
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling limousine_core v0.3.4
[INFO] [stderr]    Compiling limousine_engine v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.95s
[INFO] running `Command { std: "docker" "inspect" "1062ee1e092eb076f9d0e99ae069a5893b470436e9162d53e0acfdbd27c55265", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1062ee1e092eb076f9d0e99ae069a5893b470436e9162d53e0acfdbd27c55265", kill_on_drop: false }`
[INFO] [stdout] 1062ee1e092eb076f9d0e99ae069a5893b470436e9162d53e0acfdbd27c55265
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c31fb60cb2aead40cd7ff6ec7d757a4d1f19d5bd88f07ae71847f223bccd989
[INFO] running `Command { std: "docker" "start" "-a" "5c31fb60cb2aead40cd7ff6ec7d757a4d1f19d5bd88f07ae71847f223bccd989", kill_on_drop: false }`
[INFO] [stderr]    Compiling limousine_engine v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "5c31fb60cb2aead40cd7ff6ec7d757a4d1f19d5bd88f07ae71847f223bccd989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c31fb60cb2aead40cd7ff6ec7d757a4d1f19d5bd88f07ae71847f223bccd989", kill_on_drop: false }`
[INFO] [stdout] 5c31fb60cb2aead40cd7ff6ec7d757a4d1f19d5bd88f07ae71847f223bccd989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d838c1a381693d3d36a00bca96ed50d02fc7de10e8ff2628dddb5528a3ccbaf
[INFO] running `Command { std: "docker" "start" "-a" "1d838c1a381693d3d36a00bca96ed50d02fc7de10e8ff2628dddb5528a3ccbaf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/limousine_engine-a522f5975728e318)
[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] [stderr]    Doc-tests limousine_engine
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 55) ... ignored
[INFO] [stdout] test src/lib.rs - (line 8) ... ignored
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d838c1a381693d3d36a00bca96ed50d02fc7de10e8ff2628dddb5528a3ccbaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d838c1a381693d3d36a00bca96ed50d02fc7de10e8ff2628dddb5528a3ccbaf", kill_on_drop: false }`
[INFO] [stdout] 1d838c1a381693d3d36a00bca96ed50d02fc7de10e8ff2628dddb5528a3ccbaf