[INFO] cloning repository https://github.com/chetanyb/pba-activity2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chetanyb/pba-activity2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchetanyb%2Fpba-activity2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchetanyb%2Fpba-activity2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4680519d646da435130d122b5c30ee964158958
[INFO] checking chetanyb/pba-activity2 against try#0f31acebf540c89e4a4d5d114959fe91973419cb for pr-147017
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchetanyb%2Fpba-activity2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chetanyb/pba-activity2
[INFO] finished tweaking git repo https://github.com/chetanyb/pba-activity2
[INFO] tweaked toml for git repo https://github.com/chetanyb/pba-activity2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chetanyb/pba-activity2 on toolchain 0f31acebf540c89e4a4d5d114959fe91973419cb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chetanyb/pba-activity2 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" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cipher v0.4.3
[INFO] [stderr]   Downloaded aes v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76a4808a04b3f7b1d5c68cf0c8a3c8cd253116cf5f05647a107b6995fa16391e
[INFO] running `Command { std: "docker" "start" "-a" "76a4808a04b3f7b1d5c68cf0c8a3c8cd253116cf5f05647a107b6995fa16391e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76a4808a04b3f7b1d5c68cf0c8a3c8cd253116cf5f05647a107b6995fa16391e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a4808a04b3f7b1d5c68cf0c8a3c8cd253116cf5f05647a107b6995fa16391e", kill_on_drop: false }`
[INFO] [stdout] 76a4808a04b3f7b1d5c68cf0c8a3c8cd253116cf5f05647a107b6995fa16391e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+0f31acebf540c89e4a4d5d114959fe91973419cb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 162c985b694328e351b763795ef34372515053bd5ccc813be98e0981db2bd97b
[INFO] running `Command { std: "docker" "start" "-a" "162c985b694328e351b763795ef34372515053bd5ccc813be98e0981db2bd97b", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking cipher v0.4.3
[INFO] [stderr]     Checking aes v0.8.1
[INFO] [stderr]     Checking aes-modes v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BlockCipher`
[INFO] [stdout]   --> src/lib.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |     cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit},
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BlockCipher`
[INFO] [stdout]   --> src/lib.rs:15:43
[INFO] [stdout]    |
[INFO] [stdout] 15 |     cipher::{generic_array::GenericArray, BlockCipher, BlockDecrypt, BlockEncrypt, KeyInit},
[INFO] [stdout]    |                                           ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "162c985b694328e351b763795ef34372515053bd5ccc813be98e0981db2bd97b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162c985b694328e351b763795ef34372515053bd5ccc813be98e0981db2bd97b", kill_on_drop: false }`
[INFO] [stdout] 162c985b694328e351b763795ef34372515053bd5ccc813be98e0981db2bd97b