[INFO] fetching crate uints 0.7.0...
[INFO] testing uints-0.7.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate uints 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate uints 0.7.0 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 uints 0.7.0
[INFO] finished tweaking crates.io crate uints 0.7.0
[INFO] tweaked toml for crates.io crate uints 0.7.0 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] [stderr]     Blocking waiting for file lock on package cache
[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] [stdout] 1629fb7f76ad99bbb7e7d32c89a14048b28cf0eeebeeb7132a0a2cd8cfdb61e2
[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" "1629fb7f76ad99bbb7e7d32c89a14048b28cf0eeebeeb7132a0a2cd8cfdb61e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1629fb7f76ad99bbb7e7d32c89a14048b28cf0eeebeeb7132a0a2cd8cfdb61e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1629fb7f76ad99bbb7e7d32c89a14048b28cf0eeebeeb7132a0a2cd8cfdb61e2", kill_on_drop: false }`
[INFO] [stdout] 1629fb7f76ad99bbb7e7d32c89a14048b28cf0eeebeeb7132a0a2cd8cfdb61e2
[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] 32bff87d7864c57f2c6766ee93990952d78d3e1c8d1ea00592a5194b0285eabe
[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" "32bff87d7864c57f2c6766ee93990952d78d3e1c8d1ea00592a5194b0285eabe", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-array v0.2.0
[INFO] [stderr]    Compiling uints v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "32bff87d7864c57f2c6766ee93990952d78d3e1c8d1ea00592a5194b0285eabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32bff87d7864c57f2c6766ee93990952d78d3e1c8d1ea00592a5194b0285eabe", kill_on_drop: false }`
[INFO] [stdout] 32bff87d7864c57f2c6766ee93990952d78d3e1c8d1ea00592a5194b0285eabe
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b570d06130d386e02370916f704b4bcc76e231b0f3d8fa4616b18f389d219070
[INFO] running `Command { std: "docker" "start" "-a" "b570d06130d386e02370916f704b4bcc76e231b0f3d8fa4616b18f389d219070", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling uints v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_log'
[INFO] [stdout]    --> src/lib.rs:293:25
[INFO] [stdout]     |
[INFO] [stdout] 293 |         assert_eq!(1u32.log2(), 0);
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #70887 <https://github.com/rust-lang/rust/issues/70887> for more information
[INFO] [stdout]     = help: add `#![feature(int_log)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_log'
[INFO] [stdout]    --> src/lib.rs:294:25
[INFO] [stdout]     |
[INFO] [stdout] 294 |         assert_eq!(2u32.log2(), 1);
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #70887 <https://github.com/rust-lang/rust/issues/70887> for more information
[INFO] [stdout]     = help: add `#![feature(int_log)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_log'
[INFO] [stdout]    --> src/lib.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |         assert_eq!(3u32.log2(), 1);
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #70887 <https://github.com/rust-lang/rust/issues/70887> for more information
[INFO] [stdout]     = help: add `#![feature(int_log)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'int_log'
[INFO] [stdout]    --> src/lib.rs:296:25
[INFO] [stdout]     |
[INFO] [stdout] 296 |         assert_eq!(4u32.log2(), 2);
[INFO] [stdout]     |                         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #70887 <https://github.com/rust-lang/rust/issues/70887> for more information
[INFO] [stdout]     = help: add `#![feature(int_log)]` to the crate attributes to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super`
[INFO] [stdout]    --> src/lib.rs:290:9
[INFO] [stdout]     |
[INFO] [stdout] 290 |     use super::*;
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `uints` due to 5 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "b570d06130d386e02370916f704b4bcc76e231b0f3d8fa4616b18f389d219070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b570d06130d386e02370916f704b4bcc76e231b0f3d8fa4616b18f389d219070", kill_on_drop: false }`
[INFO] [stdout] b570d06130d386e02370916f704b4bcc76e231b0f3d8fa4616b18f389d219070