[INFO] cloning repository https://github.com/P1start/753
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/P1start/753" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP1start%2F753", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP1start%2F753'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8665b11724bba0bed27fdabecefe850480d4f85
[INFO] checking P1start/753 against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FP1start%2F753" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/P1start/753 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/P1start/753
[INFO] finished tweaking git repo https://github.com/P1start/753
[INFO] tweaked toml for git repo https://github.com/P1start/753 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/P1start/753 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f89bf6518e0be0cd2b3715dfe40ef168f529710fec83a036865a56bb31755581
[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" "f89bf6518e0be0cd2b3715dfe40ef168f529710fec83a036865a56bb31755581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f89bf6518e0be0cd2b3715dfe40ef168f529710fec83a036865a56bb31755581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f89bf6518e0be0cd2b3715dfe40ef168f529710fec83a036865a56bb31755581", kill_on_drop: false }`
[INFO] [stdout] f89bf6518e0be0cd2b3715dfe40ef168f529710fec83a036865a56bb31755581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45f9a6077e4b4dd295e4b9722feb5112cf1a324ae75230b5911049391b60d27f
[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" "45f9a6077e4b4dd295e4b9722feb5112cf1a324ae75230b5911049391b60d27f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.4.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking rand v0.4.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex v0.2.3
[INFO] [stderr]    Compiling llvm-sys v40.0.5
[INFO] [stderr]     Checking _753 v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/llvm.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             try!(write!(f, "{}", c_str.to_str().unwrap()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:136:31
[INFO] [stdout]     |
[INFO] [stdout] 136 |             '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true,
[INFO] [stdout]     |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:136:45
[INFO] [stdout]     |
[INFO] [stdout] 136 |             '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true,
[INFO] [stdout]     |                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/llvm.rs:163:13
[INFO] [stdout]     |
[INFO] [stdout] 163 |             try!(write!(f, "{}", c_str.to_str().unwrap()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |             '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:136:31
[INFO] [stdout]     |
[INFO] [stdout] 136 |             '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true,
[INFO] [stdout]     |                               ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/parse.rs:136:45
[INFO] [stdout]     |
[INFO] [stdout] 136 |             '0' ... '9' | 'a' ... 'z' | 'A' ... 'Z' | '-' | '_' => true,
[INFO] [stdout]     |                                             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/llvm.rs:138:26
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut ee = mem::uninitialized();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/llvm.rs:304:34
[INFO] [stdout]     |
[INFO] [stdout] 304 |             let mut out_module = mem::uninitialized();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/llvm.rs:138:26
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let mut ee = mem::uninitialized();
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/llvm.rs:304:34
[INFO] [stdout]     |
[INFO] [stdout] 304 |             let mut out_module = mem::uninitialized();
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compile.rs:321:25
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     let mut new_mir = MirBuilder::new(new_name, expr);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compile.rs:408:21
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 let mut predecessors = mir.bbs.iter().enumerate().filter_map(|(i, x)| match x.terminator {
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compile.rs:321:25
[INFO] [stdout]     |
[INFO] [stdout] 321 |                     let mut new_mir = MirBuilder::new(new_name, expr);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compile.rs:408:21
[INFO] [stdout]     |
[INFO] [stdout] 408 |                 let mut predecessors = mir.bbs.iter().enumerate().filter_map(|(i, x)| match x.terminator {
[INFO] [stdout]     |                     ----^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.02s
[INFO] running `Command { std: "docker" "inspect" "45f9a6077e4b4dd295e4b9722feb5112cf1a324ae75230b5911049391b60d27f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45f9a6077e4b4dd295e4b9722feb5112cf1a324ae75230b5911049391b60d27f", kill_on_drop: false }`
[INFO] [stdout] 45f9a6077e4b4dd295e4b9722feb5112cf1a324ae75230b5911049391b60d27f
