[INFO] cloning repository https://github.com/nulldatamap/stackpile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nulldatamap/stackpile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fstackpile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fstackpile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d259f686ff687d8b54d6e2a615936c64f409a708
[INFO] checking nulldatamap/stackpile against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulldatamap%2Fstackpile" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nulldatamap/stackpile on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nulldatamap/stackpile
[INFO] finished tweaking git repo https://github.com/nulldatamap/stackpile
[INFO] tweaked toml for git repo https://github.com/nulldatamap/stackpile written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/nulldatamap/stackpile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0abcfcf972dce30e0b0135eeb2fb19e1d0617702716a3571f642811dfbe3cd48
[INFO] running `Command { std: "docker" "start" "-a" "0abcfcf972dce30e0b0135eeb2fb19e1d0617702716a3571f642811dfbe3cd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0abcfcf972dce30e0b0135eeb2fb19e1d0617702716a3571f642811dfbe3cd48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0abcfcf972dce30e0b0135eeb2fb19e1d0617702716a3571f642811dfbe3cd48", kill_on_drop: false }`
[INFO] [stdout] 0abcfcf972dce30e0b0135eeb2fb19e1d0617702716a3571f642811dfbe3cd48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c689fccb782577a812237a0e17e3012495444c982a4a3f6468a0c1c714d2433f
[INFO] running `Command { std: "docker" "start" "-a" "c689fccb782577a812237a0e17e3012495444c982a4a3f6468a0c1c714d2433f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.1.8
[INFO] [stderr]     Checking num_cpus v0.2.5
[INFO] [stderr]     Checking stackpile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/op.rs:97:19
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let val = try!( cursor.next_u32( op ) );
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let t = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let e = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/op.rs:97:19
[INFO] [stdout]    |
[INFO] [stdout] 97 |         let val = try!( cursor.next_u32( op ) );
[INFO] [stdout]    |                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let y = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:102:17
[INFO] [stdout]     |
[INFO] [stdout] 102 |         let t = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:103:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let e = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:107:17
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:112:17
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:113:17
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:117:17
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:118:17
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let v = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:122:17
[INFO] [stdout]     |
[INFO] [stdout] 122 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let y = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:123:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let y = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let y = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:128:17
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let f = try!( cursor.next_u32( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let v = try!( cursor.next_u8( op ) ) as u32;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let o = try!( cursor.next_i16( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |         let v = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:138:17
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/runtime.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ::num_cpus;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate num_cpus;
[INFO] [stdout]   | ---------------------- the item `num_cpus` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let y = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:143:17
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:144:17
[INFO] [stdout]     |
[INFO] [stdout] 144 |         let y = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:148:17
[INFO] [stdout]     |
[INFO] [stdout] 148 |         let x = try!( cursor.next_u8( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |         let v = try!( cursor.next_u8( op ) ) as u32;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/op.rs:153:17
[INFO] [stdout]     |
[INFO] [stdout] 153 |         let o = try!( cursor.next_i16( op ) );
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `num_cpus` is imported redundantly
[INFO] [stdout]  --> src/runtime.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use ::num_cpus;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]  ::: src/main.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate num_cpus;
[INFO] [stdout]   | ---------------------- the item `num_cpus` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:72:22
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut p : &mut (fn( &mut Task ) -> TaskStatus) =
[INFO] [stdout]    |                      ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -     let mut p : &mut (fn( &mut Task ) -> TaskStatus) =
[INFO] [stdout] 72 +     let mut p : &mut fn( &mut Task ) -> TaskStatus =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |       transmute( (&mut f_main[0] as *mut u8) );
[INFO] [stdout]    |                  ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -       transmute( (&mut f_main[0] as *mut u8) );
[INFO] [stdout] 73 +       transmute( &mut f_main[0] as *mut u8 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:75:22
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut o : &mut (fn( u32, u32, Arc<ConstantTable> ) -> u32) =
[INFO] [stdout]    |                      ^                                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     let mut o : &mut (fn( u32, u32, Arc<ConstantTable> ) -> u32) =
[INFO] [stdout] 75 +     let mut o : &mut fn( u32, u32, Arc<ConstantTable> ) -> u32 =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |       transmute( (&mut f_main[8] as *mut u8) );
[INFO] [stdout]    |                  ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -       transmute( (&mut f_main[8] as *mut u8) );
[INFO] [stdout] 76 +       transmute( &mut f_main[8] as *mut u8 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     o = transmute( (&mut f_main[16] as *mut u8) );
[INFO] [stdout]    |                    ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -     o = transmute( (&mut f_main[16] as *mut u8) );
[INFO] [stdout] 78 +     o = transmute( &mut f_main[16] as *mut u8 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:72:22
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut p : &mut (fn( &mut Task ) -> TaskStatus) =
[INFO] [stdout]    |                      ^                             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 72 -     let mut p : &mut (fn( &mut Task ) -> TaskStatus) =
[INFO] [stdout] 72 +     let mut p : &mut fn( &mut Task ) -> TaskStatus =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |     o = transmute( (&mut f_main[24] as *mut u8) );
[INFO] [stdout]    |                    ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 80 -     o = transmute( (&mut f_main[24] as *mut u8) );
[INFO] [stdout] 80 +     o = transmute( &mut f_main[24] as *mut u8 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:73:18
[INFO] [stdout]    |
[INFO] [stdout] 73 |       transmute( (&mut f_main[0] as *mut u8) );
[INFO] [stdout]    |                  ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 73 -       transmute( (&mut f_main[0] as *mut u8) );
[INFO] [stdout] 73 +       transmute( &mut f_main[0] as *mut u8 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/main.rs:75:22
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let mut o : &mut (fn( u32, u32, Arc<ConstantTable> ) -> u32) =
[INFO] [stdout]    |                      ^                                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 75 -     let mut o : &mut (fn( u32, u32, Arc<ConstantTable> ) -> u32) =
[INFO] [stdout] 75 +     let mut o : &mut fn( u32, u32, Arc<ConstantTable> ) -> u32 =
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:76:18
[INFO] [stdout]    |
[INFO] [stdout] 76 |       transmute( (&mut f_main[8] as *mut u8) );
[INFO] [stdout]    |                  ^                         ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 76 -       transmute( (&mut f_main[8] as *mut u8) );
[INFO] [stdout] 76 +       transmute( &mut f_main[8] as *mut u8 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:78:20
[INFO] [stdout]    |
[INFO] [stdout] 78 |     o = transmute( (&mut f_main[16] as *mut u8) );
[INFO] [stdout]    |                    ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 78 -     o = transmute( (&mut f_main[16] as *mut u8) );
[INFO] [stdout] 78 +     o = transmute( &mut f_main[16] as *mut u8 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/main.rs:80:20
[INFO] [stdout]    |
[INFO] [stdout] 80 |     o = transmute( (&mut f_main[24] as *mut u8) );
[INFO] [stdout]    |                    ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 80 -     o = transmute( (&mut f_main[24] as *mut u8) );
[INFO] [stdout] 80 +     o = transmute( &mut f_main[24] as *mut u8 );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections_drain`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections_drain, collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/main.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections_drain, collections)]
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections_drain`
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections_drain, collections)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `collections`
[INFO] [stdout]  --> src/main.rs:1:31
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(collections_drain, collections)]
[INFO] [stdout]   |                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]    --> src/task.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |     self.code.code.push_all( self.constants.get_chunk( c ) );
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 122 |     self.code.code.push( self.constants.get_chunk( c ) );
[INFO] [stdout]     |                    ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `push_all` found for struct `Vec<u8>` in the current scope
[INFO] [stdout]    --> src/task.rs:122:20
[INFO] [stdout]     |
[INFO] [stdout] 122 |     self.code.code.push_all( self.constants.get_chunk( c ) );
[INFO] [stdout]     |                    ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `push` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 122 |     self.code.code.push( self.constants.get_chunk( c ) );
[INFO] [stdout]     |                    ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut p : &mut (fn( &mut Task ) -> TaskStatus) =
[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:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut p : &mut (fn( &mut Task ) -> TaskStatus) =
[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] error: aborting due to 3 previous errors; 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 32 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stackpile` (bin "stackpile") due to 4 previous errors; 32 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `stackpile` (bin "stackpile" test) due to 4 previous errors; 32 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c689fccb782577a812237a0e17e3012495444c982a4a3f6468a0c1c714d2433f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c689fccb782577a812237a0e17e3012495444c982a4a3f6468a0c1c714d2433f", kill_on_drop: false }`
[INFO] [stdout] c689fccb782577a812237a0e17e3012495444c982a4a3f6468a0c1c714d2433f