[INFO] fetching crate c5store 0.1.0...
[INFO] testing c5store-0.1.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate c5store 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate c5store 0.1.0 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 c5store 0.1.0
[INFO] finished tweaking crates.io crate c5store 0.1.0
[INFO] tweaked toml for crates.io crate c5store 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 939c195181dbe92c043b292963f5449ed46314dd48a7cb1edeb7926c9f8c1aed
[INFO] running `Command { std: "docker" "start" "-a" "939c195181dbe92c043b292963f5449ed46314dd48a7cb1edeb7926c9f8c1aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "939c195181dbe92c043b292963f5449ed46314dd48a7cb1edeb7926c9f8c1aed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939c195181dbe92c043b292963f5449ed46314dd48a7cb1edeb7926c9f8c1aed", kill_on_drop: false }`
[INFO] [stdout] 939c195181dbe92c043b292963f5449ed46314dd48a7cb1edeb7926c9f8c1aed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 41b2edcc9fd8c6542b5543f810c0564cd4ce3bdbcfa5fedb4c641c53a2182d1a
[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" "41b2edcc9fd8c6542b5543f810c0564cd4ce3bdbcfa5fedb4c641c53a2182d1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling natord v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling shellexpand v2.1.0
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling scheduled-thread-pool v0.2.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling skiplist v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling c5store v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `with_subscribers`
[INFO] [stdout]    --> src/internal.rs:163:10
[INFO] [stdout]     |
[INFO] [stdout] 163 |   pub fn with_subscribers<SubscriberFn>(&self, key_path: &str, subscriber_fn: SubscriberFn)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.22s
[INFO] running `Command { std: "docker" "inspect" "41b2edcc9fd8c6542b5543f810c0564cd4ce3bdbcfa5fedb4c641c53a2182d1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41b2edcc9fd8c6542b5543f810c0564cd4ce3bdbcfa5fedb4c641c53a2182d1a", kill_on_drop: false }`
[INFO] [stdout] 41b2edcc9fd8c6542b5543f810c0564cd4ce3bdbcfa5fedb4c641c53a2182d1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e2b11ae9e9560150cb479be235d69c7ed0debd992fea9177e4e80ca6adb8a680
[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" "e2b11ae9e9560150cb479be235d69c7ed0debd992fea9177e4e80ca6adb8a680", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_test v1.0.130
[INFO] [stdout] warning: associated function is never used: `with_subscribers`
[INFO] [stdout]    --> src/internal.rs:163:10
[INFO] [stdout]     |
[INFO] [stdout] 163 |   pub fn with_subscribers<SubscriberFn>(&self, key_path: &str, subscriber_fn: SubscriberFn)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling c5store v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `with_subscribers`
[INFO] [stdout]    --> src/internal.rs:163:10
[INFO] [stdout]     |
[INFO] [stdout] 163 |   pub fn with_subscribers<SubscriberFn>(&self, key_path: &str, subscriber_fn: SubscriberFn)
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.43s
[INFO] running `Command { std: "docker" "inspect" "e2b11ae9e9560150cb479be235d69c7ed0debd992fea9177e4e80ca6adb8a680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2b11ae9e9560150cb479be235d69c7ed0debd992fea9177e4e80ca6adb8a680", kill_on_drop: false }`
[INFO] [stdout] e2b11ae9e9560150cb479be235d69c7ed0debd992fea9177e4e80ca6adb8a680
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 874cf61d835f41e2ad6e36762b06f43ddafb6efce743841c08a55ffa1bf5f4ea
[INFO] running `Command { std: "docker" "start" "-a" "874cf61d835f41e2ad6e36762b06f43ddafb6efce743841c08a55ffa1bf5f4ea", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `with_subscribers`
[INFO] [stderr]    --> src/internal.rs:163:10
[INFO] [stderr]     |
[INFO] [stderr] 163 |   pub fn with_subscribers<SubscriberFn>(&self, key_path: &str, subscriber_fn: SubscriberFn)
[INFO] [stderr]     |          ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `c5store` (lib) generated 1 warning
[INFO] [stderr] warning: `c5store` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/c5store-268147932fb5fa68)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_config_contains_example_test_and ... ok
[INFO] [stdout] test tests::test_config_contains_bill_bar ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests c5store
[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" "874cf61d835f41e2ad6e36762b06f43ddafb6efce743841c08a55ffa1bf5f4ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "874cf61d835f41e2ad6e36762b06f43ddafb6efce743841c08a55ffa1bf5f4ea", kill_on_drop: false }`
[INFO] [stdout] 874cf61d835f41e2ad6e36762b06f43ddafb6efce743841c08a55ffa1bf5f4ea