[INFO] cloning repository https://github.com/busarovalex/cryptogram
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/busarovalex/cryptogram" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fcryptogram", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fcryptogram'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c906585a70cec46796fa855177a69e4a41e19cd5
[INFO] testing busarovalex/cryptogram against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbusarovalex%2Fcryptogram" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/busarovalex/cryptogram on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/busarovalex/cryptogram
[INFO] finished tweaking git repo https://github.com/busarovalex/cryptogram
[INFO] tweaked toml for git repo https://github.com/busarovalex/cryptogram written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/busarovalex/cryptogram already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47a1fa18f9364096967b91ee6fcbe53e6cb3464617e06d8caa545290e082dd55
[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" "47a1fa18f9364096967b91ee6fcbe53e6cb3464617e06d8caa545290e082dd55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a1fa18f9364096967b91ee6fcbe53e6cb3464617e06d8caa545290e082dd55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a1fa18f9364096967b91ee6fcbe53e6cb3464617e06d8caa545290e082dd55", kill_on_drop: false }`
[INFO] [stdout] 47a1fa18f9364096967b91ee6fcbe53e6cb3464617e06d8caa545290e082dd55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", 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] 87f549a7375fdba41cf15e493eb07fce24ef749b17bca815569955809650e41e
[INFO] running `Command { std: "docker" "start" "-a" "87f549a7375fdba41cf15e493eb07fce24ef749b17bca815569955809650e41e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.36
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling ansi_term v0.10.2
[INFO] [stderr]    Compiling quick-error v1.2.1
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling regex-syntax v0.5.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling atty v0.2.6
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling clap v2.29.2
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]    Compiling structopt v0.1.7
[INFO] [stderr]    Compiling env_logger v0.5.9
[INFO] [stderr]    Compiling word-search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(underscore_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/cipher_text.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         ::std::mem::replace(&mut self.conditions, reordered_conditions);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.04s
[INFO] running `Command { std: "docker" "inspect" "87f549a7375fdba41cf15e493eb07fce24ef749b17bca815569955809650e41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87f549a7375fdba41cf15e493eb07fce24ef749b17bca815569955809650e41e", kill_on_drop: false }`
[INFO] [stdout] 87f549a7375fdba41cf15e493eb07fce24ef749b17bca815569955809650e41e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9c995e6a1c56dae3dffb800afb6b0fe20c78b9faae7fb3d410760c361a70c29
[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" "a9c995e6a1c56dae3dffb800afb6b0fe20c78b9faae7fb3d410760c361a70c29", kill_on_drop: false }`
[INFO] [stderr]    Compiling word-search v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(underscore_lifetimes)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(inclusive_range_syntax)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> src/cipher_text.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         ::std::mem::replace(&mut self.conditions, reordered_conditions);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "a9c995e6a1c56dae3dffb800afb6b0fe20c78b9faae7fb3d410760c361a70c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9c995e6a1c56dae3dffb800afb6b0fe20c78b9faae7fb3d410760c361a70c29", kill_on_drop: false }`
[INFO] [stdout] a9c995e6a1c56dae3dffb800afb6b0fe20c78b9faae7fb3d410760c361a70c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25a6654de8b11ffce637dd83cd57be9c3a8a31146e06185792bdb994d5b931da
[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" "25a6654de8b11ffce637dd83cd57be9c3a8a31146e06185792bdb994d5b931da", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `underscore_lifetimes` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | #![feature(underscore_lifetimes)]
[INFO] [stdout] 
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `inclusive_range_syntax` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(inclusive_range_syntax)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stderr]   --> src/cipher_text.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         ::std::mem::replace(&mut self.conditions, reordered_conditions);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stderr] 
[INFO] [stderr] warning: `word-search` (bin "word-search" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/word_search-861de52ad6815343)
[INFO] running `Command { std: "docker" "inspect" "25a6654de8b11ffce637dd83cd57be9c3a8a31146e06185792bdb994d5b931da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25a6654de8b11ffce637dd83cd57be9c3a8a31146e06185792bdb994d5b931da", kill_on_drop: false }`
[INFO] [stdout] 25a6654de8b11ffce637dd83cd57be9c3a8a31146e06185792bdb994d5b931da