[INFO] fetching crate uints 0.7.0...
[INFO] testing uints-0.7.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate uints 0.7.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate uints 0.7.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 441614db7c9ce2838b41cfca0054fa3180dd842d42830c3b5806ad27e3d0871f
[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" "441614db7c9ce2838b41cfca0054fa3180dd842d42830c3b5806ad27e3d0871f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "441614db7c9ce2838b41cfca0054fa3180dd842d42830c3b5806ad27e3d0871f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "441614db7c9ce2838b41cfca0054fa3180dd842d42830c3b5806ad27e3d0871f", kill_on_drop: false }`
[INFO] [stdout] 441614db7c9ce2838b41cfca0054fa3180dd842d42830c3b5806ad27e3d0871f
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9b7da86f5ee47500e588d075d967c52be84a1087d4a0c2f700f97c9eda5d39
[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" "4b9b7da86f5ee47500e588d075d967c52be84a1087d4a0c2f700f97c9eda5d39", 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 0.62s
[INFO] running `Command { std: "docker" "inspect" "4b9b7da86f5ee47500e588d075d967c52be84a1087d4a0c2f700f97c9eda5d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9b7da86f5ee47500e588d075d967c52be84a1087d4a0c2f700f97c9eda5d39", kill_on_drop: false }`
[INFO] [stdout] 4b9b7da86f5ee47500e588d075d967c52be84a1087d4a0c2f700f97c9eda5d39
[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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76923b9612595401c7532112afd614383b1a4372dc55992c2cb928f23d572b4b
[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" "76923b9612595401c7532112afd614383b1a4372dc55992c2cb928f23d572b4b", 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" "76923b9612595401c7532112afd614383b1a4372dc55992c2cb928f23d572b4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76923b9612595401c7532112afd614383b1a4372dc55992c2cb928f23d572b4b", kill_on_drop: false }`
[INFO] [stdout] 76923b9612595401c7532112afd614383b1a4372dc55992c2cb928f23d572b4b