[INFO] fetching crate memnom 0.2.0...
[INFO] checking memnom-0.2.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate memnom 0.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate memnom 0.2.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memnom 0.2.0
[INFO] finished tweaking crates.io crate memnom 0.2.0
[INFO] tweaked toml for crates.io crate memnom 0.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded circular-queue v0.2.6
[INFO] [stderr]   Downloaded human-size v0.4.1
[INFO] [stderr]   Downloaded sysinfo v0.5.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a0c34ac9619da627d702329fcaa647190120868faa007addf296051ee306b71
[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" "5a0c34ac9619da627d702329fcaa647190120868faa007addf296051ee306b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a0c34ac9619da627d702329fcaa647190120868faa007addf296051ee306b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a0c34ac9619da627d702329fcaa647190120868faa007addf296051ee306b71", kill_on_drop: false }`
[INFO] [stdout] 5a0c34ac9619da627d702329fcaa647190120868faa007addf296051ee306b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee4e13a44d0da6c32c1e95909ced1156434b4b332d0855ae3e10477496198d7f
[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" "ee4e13a44d0da6c32c1e95909ced1156434b4b332d0855ae3e10477496198d7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysinfo v0.5.8
[INFO] [stderr]     Checking human-size v0.4.1
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]     Checking memnom v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::alloc::alloc`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::alloc::alloc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::alloc::Layout`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::dealloc`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::dealloc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::alloc`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::alloc::alloc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::alloc::Layout`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use core::alloc::Layout;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::alloc::dealloc`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::alloc::dealloc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `wait_time` should have an upper case name
[INFO] [stdout]   --> src/main.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 |     const wait_time: u64 = 16;
[INFO] [stdout]    |           ^^^^^^^^^ help: convert the identifier to upper case: `WAIT_TIME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `swap_history_size` should have an upper case name
[INFO] [stdout]   --> src/main.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     const swap_history_size : usize = 16;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SWAP_HISTORY_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `wait_time` should have an upper case name
[INFO] [stdout]   --> src/main.rs:23:11
[INFO] [stdout]    |
[INFO] [stdout] 23 |     const wait_time: u64 = 16;
[INFO] [stdout]    |           ^^^^^^^^^ help: convert the identifier to upper case: `WAIT_TIME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `swap_history_size` should have an upper case name
[INFO] [stdout]   --> src/main.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 |     const swap_history_size : usize = 16;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `SWAP_HISTORY_SIZE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "ee4e13a44d0da6c32c1e95909ced1156434b4b332d0855ae3e10477496198d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4e13a44d0da6c32c1e95909ced1156434b4b332d0855ae3e10477496198d7f", kill_on_drop: false }`
[INFO] [stdout] ee4e13a44d0da6c32c1e95909ced1156434b4b332d0855ae3e10477496198d7f