[INFO] fetching crate cereal_lib 2.1.1... [INFO] testing cereal_lib-2.1.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate cereal_lib 2.1.1 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate cereal_lib 2.1.1 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 cereal_lib 2.1.1 [INFO] finished tweaking crates.io crate cereal_lib 2.1.1 [INFO] tweaked toml for crates.io crate cereal_lib 2.1.1 written to /workspace/builds/worker-6/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6fd9cb5c980cf61c941efe72d60770fab1dfec9c1d046f1830e80f581581f8b7 [INFO] running `Command { std: "docker" "start" "-a" "6fd9cb5c980cf61c941efe72d60770fab1dfec9c1d046f1830e80f581581f8b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6fd9cb5c980cf61c941efe72d60770fab1dfec9c1d046f1830e80f581581f8b7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6fd9cb5c980cf61c941efe72d60770fab1dfec9c1d046f1830e80f581581f8b7", kill_on_drop: false }` [INFO] [stdout] 6fd9cb5c980cf61c941efe72d60770fab1dfec9c1d046f1830e80f581581f8b7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4700dcfe92e1844bf5c72baf9bc7f9f3617d5fe888e97e0cc516692f2d0f6938 [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" "4700dcfe92e1844bf5c72baf9bc7f9f3617d5fe888e97e0cc516692f2d0f6938", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling statistical v1.0.0 [INFO] [stderr] Compiling cereal_lib v2.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `mean` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | mean: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `median` [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | median: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `max` [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | max: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `min` [INFO] [stdout] --> src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | min: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cache` [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | cache: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.71s [INFO] running `Command { std: "docker" "inspect" "4700dcfe92e1844bf5c72baf9bc7f9f3617d5fe888e97e0cc516692f2d0f6938", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4700dcfe92e1844bf5c72baf9bc7f9f3617d5fe888e97e0cc516692f2d0f6938", kill_on_drop: false }` [INFO] [stdout] 4700dcfe92e1844bf5c72baf9bc7f9f3617d5fe888e97e0cc516692f2d0f6938 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1123d6a600056d42ef7d48ef76fba27c1ba81185b556965aa158ba85b13ca07d [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" "1123d6a600056d42ef7d48ef76fba27c1ba81185b556965aa158ba85b13ca07d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cereal_lib v2.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field is never read: `mean` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | mean: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `median` [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | median: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `max` [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | max: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `min` [INFO] [stdout] --> src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | min: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cache` [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | cache: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `mean` [INFO] [stdout] --> src/lib.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 42 | mean: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `median` [INFO] [stdout] --> src/lib.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | median: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `max` [INFO] [stdout] --> src/lib.rs:44:5 [INFO] [stdout] | [INFO] [stdout] 44 | max: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `min` [INFO] [stdout] --> src/lib.rs:45:5 [INFO] [stdout] | [INFO] [stdout] 45 | min: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `cache` [INFO] [stdout] --> src/lib.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | cache: bool, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.58s [INFO] running `Command { std: "docker" "inspect" "1123d6a600056d42ef7d48ef76fba27c1ba81185b556965aa158ba85b13ca07d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1123d6a600056d42ef7d48ef76fba27c1ba81185b556965aa158ba85b13ca07d", kill_on_drop: false }` [INFO] [stdout] 1123d6a600056d42ef7d48ef76fba27c1ba81185b556965aa158ba85b13ca07d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 8d389951adde4eef3f7a3489139d330e2e8a36979f4a743a3f8a8f208d62199b [INFO] running `Command { std: "docker" "start" "-a" "8d389951adde4eef3f7a3489139d330e2e8a36979f4a743a3f8a8f208d62199b", kill_on_drop: false }` [INFO] [stderr] warning: field is never read: `mean` [INFO] [stderr] --> src/lib.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | mean: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never read: `median` [INFO] [stderr] --> src/lib.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | median: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `max` [INFO] [stderr] --> src/lib.rs:44:5 [INFO] [stderr] | [INFO] [stderr] 44 | max: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `min` [INFO] [stderr] --> src/lib.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | min: Option, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `cache` [INFO] [stderr] --> src/lib.rs:46:5 [INFO] [stderr] | [INFO] [stderr] 46 | cache: bool, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `cereal_lib` (lib) generated 5 warnings [INFO] [stderr] warning: `cereal_lib` (lib test) generated 5 warnings (5 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/cereal_lib-2b53c367a2c934f4) [INFO] [stdout] [INFO] [stderr] Running tests/integration_test.rs (/opt/rustwide/target/debug/deps/integration_test-64dc2c5aff505e16) [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] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test run_multi ... ok [INFO] [stderr] Doc-tests cereal_lib [INFO] [stdout] test run_single ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.84s [INFO] [stdout] [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" "8d389951adde4eef3f7a3489139d330e2e8a36979f4a743a3f8a8f208d62199b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d389951adde4eef3f7a3489139d330e2e8a36979f4a743a3f8a8f208d62199b", kill_on_drop: false }` [INFO] [stdout] 8d389951adde4eef3f7a3489139d330e2e8a36979f4a743a3f8a8f208d62199b