[INFO] cloning repository https://github.com/hordur84/playfair-cipher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hordur84/playfair-cipher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhordur84%2Fplayfair-cipher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhordur84%2Fplayfair-cipher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4d61a685538936e3de21fe18ea23ad98025b93f
[INFO] checking hordur84/playfair-cipher against master#f4d794ea0b845413344621d89f6c945062748485 for pr-119369
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhordur84%2Fplayfair-cipher" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hordur84/playfair-cipher on toolchain f4d794ea0b845413344621d89f6c945062748485
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f4d794ea0b845413344621d89f6c945062748485" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hordur84/playfair-cipher
[INFO] finished tweaking git repo https://github.com/hordur84/playfair-cipher
[INFO] tweaked toml for git repo https://github.com/hordur84/playfair-cipher written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hordur84/playfair-cipher 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" "+f4d794ea0b845413344621d89f6c945062748485" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f4d794ea0b845413344621d89f6c945062748485" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b60f202abc65d6ca3a3c97aa9efc5c1f515dd351735e55fa0bb860272d021c6
[INFO] running `Command { std: "docker" "start" "-a" "6b60f202abc65d6ca3a3c97aa9efc5c1f515dd351735e55fa0bb860272d021c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b60f202abc65d6ca3a3c97aa9efc5c1f515dd351735e55fa0bb860272d021c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b60f202abc65d6ca3a3c97aa9efc5c1f515dd351735e55fa0bb860272d021c6", kill_on_drop: false }`
[INFO] [stdout] 6b60f202abc65d6ca3a3c97aa9efc5c1f515dd351735e55fa0bb860272d021c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+f4d794ea0b845413344621d89f6c945062748485" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5d0a23ea8758716c804ef0101666a7311ae3bf1cae69b6af0e699e8696c44a4
[INFO] running `Command { std: "docker" "start" "-a" "d5d0a23ea8758716c804ef0101666a7311ae3bf1cae69b6af0e699e8696c44a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]     Checking base64ct v1.5.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]     Checking zeroize v1.5.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling num-bigint-dig v0.8.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pem-rfc7468 v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stderr]     Checking spki v0.5.4
[INFO] [stderr]     Checking pkcs8 v0.8.0
[INFO] [stderr]     Checking pkcs1 v0.3.3
[INFO] [stderr]     Checking rsa v0.6.1
[INFO] [stderr]     Checking playfair-cypher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "d5d0a23ea8758716c804ef0101666a7311ae3bf1cae69b6af0e699e8696c44a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5d0a23ea8758716c804ef0101666a7311ae3bf1cae69b6af0e699e8696c44a4", kill_on_drop: false }`
[INFO] [stdout] d5d0a23ea8758716c804ef0101666a7311ae3bf1cae69b6af0e699e8696c44a4
[INFO] checking hordur84/playfair-cipher against try#3832a95f57d4260fb5641e183906f49b4e5c6bdd for pr-119369
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhordur84%2Fplayfair-cipher" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hordur84/playfair-cipher on toolchain 3832a95f57d4260fb5641e183906f49b4e5c6bdd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hordur84/playfair-cipher
[INFO] finished tweaking git repo https://github.com/hordur84/playfair-cipher
[INFO] tweaked toml for git repo https://github.com/hordur84/playfair-cipher written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/hordur84/playfair-cipher 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" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60495217ea777fc694fbbc72a7c08d53251a9828a12e3c8649da35416133cc76
[INFO] running `Command { std: "docker" "start" "-a" "60495217ea777fc694fbbc72a7c08d53251a9828a12e3c8649da35416133cc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60495217ea777fc694fbbc72a7c08d53251a9828a12e3c8649da35416133cc76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60495217ea777fc694fbbc72a7c08d53251a9828a12e3c8649da35416133cc76", kill_on_drop: false }`
[INFO] [stdout] 60495217ea777fc694fbbc72a7c08d53251a9828a12e3c8649da35416133cc76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3832a95f57d4260fb5641e183906f49b4e5c6bdd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb0e1178862a29c8671fae821dc2addf67b1f930bfbde53af48cc3dcbd3ec6af
[INFO] running `Command { std: "docker" "start" "-a" "fb0e1178862a29c8671fae821dc2addf67b1f930bfbde53af48cc3dcbd3ec6af", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]     Checking base64ct v1.5.1
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking const-oid v0.7.1
[INFO] [stderr]     Checking zeroize v1.5.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-bigint-dig v0.8.1
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pem-rfc7468 v0.3.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking crypto-bigint v0.3.2
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha2 v0.10.2
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-dig-0.8.1/src/bigrand.rs:319:25
[INFO] [stdout]     |
[INFO] [stdout] 319 |         let mut bytes = vec![0u8; bytes_len];
[INFO] [stdout]     |                         ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 3   + use alloc::vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-dig-0.8.1/src/prime.rs:193:24
[INFO] [stdout]     |
[INFO] [stdout] 193 |     let mut seed_vec = vec![0u8; 8];
[INFO] [stdout]     |                        ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 4   + use alloc::vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-dig-0.8.1/src/prime.rs:139:22
[INFO] [stdout]     |
[INFO] [stdout] 139 |     let mut moduli = vec![BigUint::zero(); prime_limit];
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 4   + use alloc::vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-dig-0.8.1/src/biguint.rs:2313:13
[INFO] [stdout]      |
[INFO] [stdout] 2313 |             vec![0]
[INFO] [stdout]      |             ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout] 1    + use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-dig-0.8.1/src/biguint.rs:2027:16
[INFO] [stdout]      |
[INFO] [stdout] 2027 |         return vec![b'0'];
[INFO] [stdout]      |                ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout] 1    + use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-dig-0.8.1/src/biguint.rs:2005:9
[INFO] [stdout]      |
[INFO] [stdout] 2005 |         vec![0]
[INFO] [stdout]      |         ^^^
[INFO] [stdout]      |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]      |
[INFO] [stdout] 1    + use alloc::vec;
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `vec` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/num-bigint-dig-0.8.1/src/biguint.rs:490:22
[INFO] [stdout]     |
[INFO] [stdout] 490 |         BigUint::new(vec![1])
[INFO] [stdout]     |                      ^^^
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this macro
[INFO] [stdout]     |
[INFO] [stdout] 1   + use alloc::vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking der v0.5.1
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-bigint-dig` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "fb0e1178862a29c8671fae821dc2addf67b1f930bfbde53af48cc3dcbd3ec6af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb0e1178862a29c8671fae821dc2addf67b1f930bfbde53af48cc3dcbd3ec6af", kill_on_drop: false }`
[INFO] [stdout] fb0e1178862a29c8671fae821dc2addf67b1f930bfbde53af48cc3dcbd3ec6af