[INFO] cloning repository https://github.com/HazemAlhalabi/ironsmith
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HazemAlhalabi/ironsmith" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHazemAlhalabi%2Fironsmith", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHazemAlhalabi%2Fironsmith'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4b70f97383e56385ac470d7d54962c853b540c2e
[INFO] checking HazemAlhalabi/ironsmith against beta-2020-07-24 for pr-75494-beta
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHazemAlhalabi%2Fironsmith" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HazemAlhalabi/ironsmith 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/HazemAlhalabi/ironsmith
[INFO] finished tweaking git repo https://github.com/HazemAlhalabi/ironsmith
[INFO] tweaked toml for git repo https://github.com/HazemAlhalabi/ironsmith written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/HazemAlhalabi/ironsmith 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded num-derive v0.1.44
[INFO] [stderr]   Downloaded signal-notify v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e659f810787ee3bd31ab694e22a9c44d15bc8803a897d3ea77c1912a48c2bf8a
[INFO] running `Command { std: "docker" "start" "-a" "e659f810787ee3bd31ab694e22a9c44d15bc8803a897d3ea77c1912a48c2bf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e659f810787ee3bd31ab694e22a9c44d15bc8803a897d3ea77c1912a48c2bf8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e659f810787ee3bd31ab694e22a9c44d15bc8803a897d3ea77c1912a48c2bf8a", kill_on_drop: false }`
[INFO] [stdout] e659f810787ee3bd31ab694e22a9c44d15bc8803a897d3ea77c1912a48c2bf8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 10fe2b8cf341e607fdc8a669c786ba09e9c8718909af51a7d6a7747c6a4a9565
[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" "10fe2b8cf341e607fdc8a669c786ba09e9c8718909af51a7d6a7747c6a4a9565", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking signal-notify v0.1.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling num-derive v0.1.44
[INFO] [stderr]     Checking termfest v0.1.3 (https://github.com/HazemAlhalabi/termfest.git#4792de41)
[INFO] [stderr]     Checking ironsmith v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:706:41
[INFO] [stdout]     |
[INFO] [stdout] 706 |                     let cursor_offest = (self.cursor.ypos + self.v_scroll_offset);
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp::Ordering`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::cmp::Ordering;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/main.rs:706:41
[INFO] [stdout]     |
[INFO] [stdout] 706 |                     let cursor_offest = (self.cursor.ypos + self.v_scroll_offset);
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:409:13
[INFO] [stdout]     |
[INFO] [stdout] 409 |             _ => {}
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:740:17
[INFO] [stdout]     |
[INFO] [stdout] 740 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             for i in
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status_line_row`
[INFO] [stdout]    --> src/main.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let status_line_row = self.screen_height - 2;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:375:21
[INFO] [stdout]     |
[INFO] [stdout] 375 |                 let i = self.screen_height - 1;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ln` is never read
[INFO] [stdout]    --> src/main.rs:443:21
[INFO] [stdout]     |
[INFO] [stdout] 443 |                 let mut ln = "".to_string();
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:650:37
[INFO] [stdout]     |
[INFO] [stdout] 650 | ...                   for i in 0..4 {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height_change`
[INFO] [stdout]    --> src/main.rs:710:29
[INFO] [stdout]     |
[INFO] [stdout] 710 |                         let height_change = self.screen_height - h;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_height_change`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height_change`
[INFO] [stdout]    --> src/main.rs:728:29
[INFO] [stdout]     |
[INFO] [stdout] 728 |                         let height_change = h - self.screen_height;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_height_change`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:449:29
[INFO] [stdout]     |
[INFO] [stdout] 449 |                         let mut trim = line[self.h_scroll_offset..].to_string();
[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/main.rs:465:25
[INFO] [stdout]     |
[INFO] [stdout] 465 |                     let mut line_attr = Attribute {
[INFO] [stdout]     |                         ----^^^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:409:13
[INFO] [stdout]     |
[INFO] [stdout] 409 |             _ => {}
[INFO] [stdout]     |             ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:489:33
[INFO] [stdout]     |
[INFO] [stdout] 489 | ...                   let mut trim = line[self.h_scroll_offset..].to_string();
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/main.rs:733:24
[INFO] [stdout]     |
[INFO] [stdout] 733 |                     if self.v_scroll_offset < 0 {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:740:17
[INFO] [stdout]     |
[INFO] [stdout] 740 |                 _ => {}
[INFO] [stdout]     |                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 125 |             for i in
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `status_line_row`
[INFO] [stdout]    --> src/main.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |             let status_line_row = self.screen_height - 2;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_status_line_row`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:375:21
[INFO] [stdout]     |
[INFO] [stdout] 375 |                 let i = self.screen_height - 1;
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ln` is never read
[INFO] [stdout]    --> src/main.rs:443:21
[INFO] [stdout]     |
[INFO] [stdout] 443 |                 let mut ln = "".to_string();
[INFO] [stdout]     |                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:650:37
[INFO] [stdout]     |
[INFO] [stdout] 650 | ...                   for i in 0..4 {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height_change`
[INFO] [stdout]    --> src/main.rs:710:29
[INFO] [stdout]     |
[INFO] [stdout] 710 |                         let height_change = self.screen_height - h;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_height_change`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `height_change`
[INFO] [stdout]    --> src/main.rs:728:29
[INFO] [stdout]     |
[INFO] [stdout] 728 |                         let height_change = h - self.screen_height;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_height_change`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:449:29
[INFO] [stdout]     |
[INFO] [stdout] 449 |                         let mut trim = line[self.h_scroll_offset..].to_string();
[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/main.rs:465:25
[INFO] [stdout]     |
[INFO] [stdout] 465 |                     let mut line_attr = Attribute {
[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/main.rs:489:33
[INFO] [stdout]     |
[INFO] [stdout] 489 | ...                   let mut trim = line[self.h_scroll_offset..].to_string();
[INFO] [stdout]     |                           ----^^^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/main.rs:733:24
[INFO] [stdout]     |
[INFO] [stdout] 733 |                     if self.v_scroll_offset < 0 {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.85s
[INFO] running `Command { std: "docker" "inspect" "10fe2b8cf341e607fdc8a669c786ba09e9c8718909af51a7d6a7747c6a4a9565", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10fe2b8cf341e607fdc8a669c786ba09e9c8718909af51a7d6a7747c6a4a9565", kill_on_drop: false }`
[INFO] [stdout] 10fe2b8cf341e607fdc8a669c786ba09e9c8718909af51a7d6a7747c6a4a9565
