[INFO] cloning repository https://github.com/Alexendoo/paper-backup
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alexendoo/paper-backup" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexendoo%2Fpaper-backup", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexendoo%2Fpaper-backup'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66a78f589b3145f2bbaea254bd8a81110d7f108a
[INFO] testing Alexendoo/paper-backup against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlexendoo%2Fpaper-backup" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Alexendoo/paper-backup on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Alexendoo/paper-backup
[INFO] finished tweaking git repo https://github.com/Alexendoo/paper-backup
[INFO] tweaked toml for git repo https://github.com/Alexendoo/paper-backup written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Alexendoo/paper-backup already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24d9bb30e3164eff60475c2f79b97ff7c108c81860d4b1b0516a99d3388d09de
[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" "24d9bb30e3164eff60475c2f79b97ff7c108c81860d4b1b0516a99d3388d09de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24d9bb30e3164eff60475c2f79b97ff7c108c81860d4b1b0516a99d3388d09de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24d9bb30e3164eff60475c2f79b97ff7c108c81860d4b1b0516a99d3388d09de", kill_on_drop: false }`
[INFO] [stdout] 24d9bb30e3164eff60475c2f79b97ff7c108c81860d4b1b0516a99d3388d09de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90a29bc36a4310a58305a3ab81d67e525e3ff35046c1abef0c6d0b85483b2c37
[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" "90a29bc36a4310a58305a3ab81d67e525e3ff35046c1abef0c6d0b85483b2c37", kill_on_drop: false }`
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling paper-backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `pad`
[INFO] [stdout]  --> src/padding.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn pad(buf: &mut Vec<u8>, block_size: usize) {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unpad`
[INFO] [stdout]  --> src/padding.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn unpad(buf: &mut Vec<u8>) {
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.87s
[INFO] running `Command { std: "docker" "inspect" "90a29bc36a4310a58305a3ab81d67e525e3ff35046c1abef0c6d0b85483b2c37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a29bc36a4310a58305a3ab81d67e525e3ff35046c1abef0c6d0b85483b2c37", kill_on_drop: false }`
[INFO] [stdout] 90a29bc36a4310a58305a3ab81d67e525e3ff35046c1abef0c6d0b85483b2c37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a049895340ee05c2a0afffff261935a89dde120c7dee19e97b316b7b17968a28
[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" "a049895340ee05c2a0afffff261935a89dde120c7dee19e97b316b7b17968a28", kill_on_drop: false }`
[INFO] [stderr]    Compiling paper-backup v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "a049895340ee05c2a0afffff261935a89dde120c7dee19e97b316b7b17968a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a049895340ee05c2a0afffff261935a89dde120c7dee19e97b316b7b17968a28", kill_on_drop: false }`
[INFO] [stdout] a049895340ee05c2a0afffff261935a89dde120c7dee19e97b316b7b17968a28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e3b6d27fb477e6a943f22d6a42a8216f5c10743b67b0f3d0f18e5141681982a
[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" "6e3b6d27fb477e6a943f22d6a42a8216f5c10743b67b0f3d0f18e5141681982a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/paper_backup-f9a58d722683db1c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test padding::tests::pad_multiple_bytes ... ok
[INFO] [stdout] test padding::tests::pad_one_byte ... ok
[INFO] [stdout] test padding::tests::pad_overflow ... ok
[INFO] [stdout] test padding::tests::unpad_one ... ok
[INFO] [stdout] test padding::tests::unpad_many ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6e3b6d27fb477e6a943f22d6a42a8216f5c10743b67b0f3d0f18e5141681982a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e3b6d27fb477e6a943f22d6a42a8216f5c10743b67b0f3d0f18e5141681982a", kill_on_drop: false }`
[INFO] [stdout] 6e3b6d27fb477e6a943f22d6a42a8216f5c10743b67b0f3d0f18e5141681982a