[INFO] cloning repository https://github.com/Linux-Server/Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Linux-Server/Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinux-Server%2FRust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinux-Server%2FRust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac27b8bf0ec077d676c55742303f58216df9c94f
[INFO] checking Linux-Server/Rust against master#2e6fc425411280c658d852813de01c5157255088 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinux-Server%2FRust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Linux-Server/Rust on toolchain 2e6fc425411280c658d852813de01c5157255088
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Linux-Server/Rust
[INFO] finished tweaking git repo https://github.com/Linux-Server/Rust
[INFO] tweaked toml for git repo https://github.com/Linux-Server/Rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Linux-Server/Rust 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" "+2e6fc425411280c658d852813de01c5157255088" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62ed763c3a60f62157ee5a6edcb80446616644945c9f4a02499663fd48ac601c
[INFO] running `Command { std: "docker" "start" "-a" "62ed763c3a60f62157ee5a6edcb80446616644945c9f4a02499663fd48ac601c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62ed763c3a60f62157ee5a6edcb80446616644945c9f4a02499663fd48ac601c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62ed763c3a60f62157ee5a6edcb80446616644945c9f4a02499663fd48ac601c", kill_on_drop: false }`
[INFO] [stdout] 62ed763c3a60f62157ee5a6edcb80446616644945c9f4a02499663fd48ac601c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+2e6fc425411280c658d852813de01c5157255088" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7498c469241660126bbd244fb0fe685e9fcc2461b29e4fdd90937b1db238fbc5
[INFO] running `Command { std: "docker" "start" "-a" "7498c469241660126bbd244fb0fe685e9fcc2461b29e4fdd90937b1db238fbc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking iana-time-zone v0.1.46
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking my-project v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/bin/linear_search.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |    for (index, &item) in _list.iter().enumerate(){
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/bin/linear_search.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |    for (index, &item) in _list.iter().enumerate(){
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/option_combinator.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let mut billa: Vec<_> = sam.iter().map(|num| num+10).collect();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/option_combinator.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   let mut billa: Vec<_> = sam.iter().map(|num| num+10).collect();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "7498c469241660126bbd244fb0fe685e9fcc2461b29e4fdd90937b1db238fbc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7498c469241660126bbd244fb0fe685e9fcc2461b29e4fdd90937b1db238fbc5", kill_on_drop: false }`
[INFO] [stdout] 7498c469241660126bbd244fb0fe685e9fcc2461b29e4fdd90937b1db238fbc5
[INFO] checking Linux-Server/Rust against try#d856f2da3433420b7077c0dc7ee9441455bc1302 for pr-128013
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLinux-Server%2FRust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Linux-Server/Rust on toolchain d856f2da3433420b7077c0dc7ee9441455bc1302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Linux-Server/Rust
[INFO] finished tweaking git repo https://github.com/Linux-Server/Rust
[INFO] tweaked toml for git repo https://github.com/Linux-Server/Rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Linux-Server/Rust 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" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d78a826fd0a28cb0ce96fa3474a2e850fd2e6091b0d3821920d2ba3cfd59d0b
[INFO] running `Command { std: "docker" "start" "-a" "5d78a826fd0a28cb0ce96fa3474a2e850fd2e6091b0d3821920d2ba3cfd59d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d78a826fd0a28cb0ce96fa3474a2e850fd2e6091b0d3821920d2ba3cfd59d0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d78a826fd0a28cb0ce96fa3474a2e850fd2e6091b0d3821920d2ba3cfd59d0b", kill_on_drop: false }`
[INFO] [stdout] 5d78a826fd0a28cb0ce96fa3474a2e850fd2e6091b0d3821920d2ba3cfd59d0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+d856f2da3433420b7077c0dc7ee9441455bc1302" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a61acff9003b941ebe0ae4027ff8ca80dba09e9463606cf5bb4ac42da83c9f3
[INFO] running `Command { std: "docker" "start" "-a" "6a61acff9003b941ebe0ae4027ff8ca80dba09e9463606cf5bb4ac42da83c9f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking iana-time-zone v0.1.46
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 825 | impl_integer_for_isize!(i8, test_integer_i8);
[INFO] [stdout]     | -------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 826 | impl_integer_for_isize!(i16, test_integer_i16);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 827 | impl_integer_for_isize!(i32, test_integer_i32);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 828 | impl_integer_for_isize!(i64, test_integer_i64);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 829 | impl_integer_for_isize!(isize, test_integer_isize);
[INFO] [stdout]     | -------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-integer-0.1.45/src/lib.rs:479:41
[INFO] [stdout]     |
[INFO] [stdout] 479 |                     return (1 << shift).abs();
[INFO] [stdout]     |                                         ^^^ multiple `abs` found
[INFO] [stdout] ...
[INFO] [stdout] 831 | impl_integer_for_isize!(i128, test_integer_i128);
[INFO] [stdout]     | ------------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl for the type `i128`
[INFO] [stdout]     = note: candidate #2 is defined in an impl for the type `i16`
[INFO] [stdout]     = note: candidate #3 is defined in an impl for the type `i32`
[INFO] [stdout]     = note: candidate #4 is defined in an impl for the type `i64`
[INFO] [stdout]     = note: and 2 others
[INFO] [stdout]     = note: this error originates in the macro `impl_integer_for_isize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-integer` (lib) due to 7 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6a61acff9003b941ebe0ae4027ff8ca80dba09e9463606cf5bb4ac42da83c9f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a61acff9003b941ebe0ae4027ff8ca80dba09e9463606cf5bb4ac42da83c9f3", kill_on_drop: false }`
[INFO] [stdout] 6a61acff9003b941ebe0ae4027ff8ca80dba09e9463606cf5bb4ac42da83c9f3