[INFO] fetching crate merge 0.1.0...
[INFO] testing merge-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate merge 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate merge 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merge 0.1.0
[INFO] finished tweaking crates.io crate merge 0.1.0
[INFO] tweaked toml for crates.io crate merge 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate merge 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ca063736f2c5a50f86648f6beb2bb69b6136fbe1f38eed12e39fd58c6bf1136e
[INFO] running `Command { std: "docker" "start" "-a" "ca063736f2c5a50f86648f6beb2bb69b6136fbe1f38eed12e39fd58c6bf1136e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca063736f2c5a50f86648f6beb2bb69b6136fbe1f38eed12e39fd58c6bf1136e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca063736f2c5a50f86648f6beb2bb69b6136fbe1f38eed12e39fd58c6bf1136e", kill_on_drop: false }`
[INFO] [stdout] ca063736f2c5a50f86648f6beb2bb69b6136fbe1f38eed12e39fd58c6bf1136e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 938deea90dc92fb112ea46481cf3fe6cd937edc2b5cce04b91385b133376f885
[INFO] running `Command { std: "docker" "start" "-a" "938deea90dc92fb112ea46481cf3fe6cd937edc2b5cce04b91385b133376f885", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling merge_derive v0.1.0
[INFO] [stderr]    Compiling merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.69s
[INFO] running `Command { std: "docker" "inspect" "938deea90dc92fb112ea46481cf3fe6cd937edc2b5cce04b91385b133376f885", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "938deea90dc92fb112ea46481cf3fe6cd937edc2b5cce04b91385b133376f885", kill_on_drop: false }`
[INFO] [stdout] 938deea90dc92fb112ea46481cf3fe6cd937edc2b5cce04b91385b133376f885
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c8190adf2a7061be47bcf61f4937f6fc7be3e3b40cef82b7b54650e8ebd58268
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c8190adf2a7061be47bcf61f4937f6fc7be3e3b40cef82b7b54650e8ebd58268", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling envy v0.4.1
[INFO] [stderr]    Compiling trybuild v1.0.30
[INFO] [stderr]    Compiling merge v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.79s
[INFO] running `Command { std: "docker" "inspect" "c8190adf2a7061be47bcf61f4937f6fc7be3e3b40cef82b7b54650e8ebd58268", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8190adf2a7061be47bcf61f4937f6fc7be3e3b40cef82b7b54650e8ebd58268", kill_on_drop: false }`
[INFO] [stdout] c8190adf2a7061be47bcf61f4937f6fc7be3e3b40cef82b7b54650e8ebd58268
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46bd73f9b23a7cb05a1d9be826819bbfac6b20f40eb762d542a651695fd9eeea
[INFO] running `Command { std: "docker" "start" "-a" "46bd73f9b23a7cb05a1d9be826819bbfac6b20f40eb762d542a651695fd9eeea", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/merge-b23a0f80896f2612
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_compile_fail ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/compile-da52c74bceeab977
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/derive-ee966a786b96afd5
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test test_one_option_field ... ok
[INFO] [stdout] test test_skip_invalid ... ok
[INFO] [stdout] test test_skip_valid ... ok
[INFO] [stdout] test test_unnamed_fields_skip ... ok
[INFO] [stdout] test test_strategy_usize_add ... ok
[INFO] [stdout] test test_strategy_vec_append ... ok
[INFO] [stdout] test test_two_option_fields ... ok
[INFO] [stdout] test test_unnamed_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/impls-cf3c050a98f3eeb5
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/strategies-48085754a5334055
[INFO] [stdout] test test_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stderr]    Doc-tests merge
[INFO] [stdout] test test_ord_max ... ok
[INFO] [stdout] test test_vec_overwrite_empty ... ok
[INFO] [stdout] test test_bool_overwrite_true ... ok
[INFO] [stdout] test test_vec_prepend ... ok
[INFO] [stdout] test test_ord_min ... ok
[INFO] [stdout] test test_num_overwrite_zero ... ok
[INFO] [stdout] test test_vec_append ... ok
[INFO] [stdout] test test_num_saturating_add ... ok
[INFO] [stdout] test test_bool_overwrite_false ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Merge (line 94) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/lib.rs - (line 37) ... ok
[INFO] [stdout] test src/lib.rs - Merge (line 104) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46bd73f9b23a7cb05a1d9be826819bbfac6b20f40eb762d542a651695fd9eeea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46bd73f9b23a7cb05a1d9be826819bbfac6b20f40eb762d542a651695fd9eeea", kill_on_drop: false }`
[INFO] [stdout] 46bd73f9b23a7cb05a1d9be826819bbfac6b20f40eb762d542a651695fd9eeea