[INFO] fetching crate choices 0.4.0...
[INFO] testing choices-0.4.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate choices 0.4.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate choices 0.4.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate choices 0.4.0
[INFO] removed 2 missing examples
[INFO] removed 1 missing tests
[INFO] finished tweaking crates.io crate choices 0.4.0
[INFO] tweaked toml for crates.io crate choices 0.4.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate choices 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2928646a6b57f3711e41d531186f614e5353324c0d2fc41683c12a4d471c6f73
[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" "2928646a6b57f3711e41d531186f614e5353324c0d2fc41683c12a4d471c6f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2928646a6b57f3711e41d531186f614e5353324c0d2fc41683c12a4d471c6f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2928646a6b57f3711e41d531186f614e5353324c0d2fc41683c12a4d471c6f73", kill_on_drop: false }`
[INFO] [stdout] 2928646a6b57f3711e41d531186f614e5353324c0d2fc41683c12a4d471c6f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc9b7266e116531653957b3d42bf72e0d94b849fa972091833b0c958ea827313
[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" "fc9b7266e116531653957b3d42bf72e0d94b849fa972091833b0c958ea827313", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling futures-core v0.3.12
[INFO] [stderr]    Compiling futures-sink v0.3.12
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling futures-io v0.3.12
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling tracing v0.1.24
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling futures-util v0.3.12
[INFO] [stderr]    Compiling futures-channel v0.3.12
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling mio v0.7.8
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling headers-core v0.2.0
[INFO] [stderr]    Compiling http-body v0.4.0
[INFO] [stderr]    Compiling headers v0.3.3
[INFO] [stderr]    Compiling tungstenite v0.12.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling futures v0.3.12
[INFO] [stderr]    Compiling multipart v0.17.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling choices-derive v0.4.0
[INFO] [stderr]    Compiling pin-project v1.0.5
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling tokio-util v0.6.3
[INFO] [stderr]    Compiling tokio-tungstenite v0.13.0
[INFO] [stderr]    Compiling tokio-stream v0.1.3
[INFO] [stderr]    Compiling h2 v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling hyper v0.14.4
[INFO] [stderr]    Compiling warp v0.3.0
[INFO] [stderr]    Compiling choices v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 26s
[INFO] running `Command { std: "docker" "inspect" "fc9b7266e116531653957b3d42bf72e0d94b849fa972091833b0c958ea827313", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc9b7266e116531653957b3d42bf72e0d94b849fa972091833b0c958ea827313", kill_on_drop: false }`
[INFO] [stdout] fc9b7266e116531653957b3d42bf72e0d94b849fa972091833b0c958ea827313
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] be65b14b870eb02723de79d39f9be5f4e243f7b9cba6d751b1e698798d53ee22
[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" "be65b14b870eb02723de79d39f9be5f4e243f7b9cba6d751b1e698798d53ee22", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.1
[INFO] [stderr]    Compiling choices v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 24.49s
[INFO] running `Command { std: "docker" "inspect" "be65b14b870eb02723de79d39f9be5f4e243f7b9cba6d751b1e698798d53ee22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be65b14b870eb02723de79d39f9be5f4e243f7b9cba6d751b1e698798d53ee22", kill_on_drop: false }`
[INFO] [stdout] be65b14b870eb02723de79d39f9be5f4e243f7b9cba6d751b1e698798d53ee22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] d578a9742c023167edca772875b7c50aa0ad440563d52efcd9d65a0c6e140050
[INFO] running `Command { std: "docker" "start" "-a" "d578a9742c023167edca772875b7c50aa0ad440563d52efcd9d65a0c6e140050", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/choices-a5c105193534b317)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests choices
[INFO] [stdout] running 2 tests
[INFO] [stdout] test serde::tests::generic_number_from_chars ... ok
[INFO] [stdout] test serde::tests::option_from_chars ... 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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d578a9742c023167edca772875b7c50aa0ad440563d52efcd9d65a0c6e140050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d578a9742c023167edca772875b7c50aa0ad440563d52efcd9d65a0c6e140050", kill_on_drop: false }`
[INFO] [stdout] d578a9742c023167edca772875b7c50aa0ad440563d52efcd9d65a0c6e140050