[INFO] cloning repository https://github.com/woodgear/kvs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodgear/kvs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23e27b1b1ed74a033ba9c846de0238095a8201f5
[INFO] testing woodgear/kvs against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodgear%2Fkvs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodgear/kvs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/woodgear/kvs
[INFO] finished tweaking git repo https://github.com/woodgear/kvs
[INFO] tweaked toml for git repo https://github.com/woodgear/kvs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/woodgear/kvs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49b370f954f04b4c1acc685d5f4f553f6bcb049dd15b0d979f9f4ff4a302ec4c
[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" "49b370f954f04b4c1acc685d5f4f553f6bcb049dd15b0d979f9f4ff4a302ec4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49b370f954f04b4c1acc685d5f4f553f6bcb049dd15b0d979f9f4ff4a302ec4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49b370f954f04b4c1acc685d5f4f553f6bcb049dd15b0d979f9f4ff4a302ec4c", kill_on_drop: false }`
[INFO] [stdout] 49b370f954f04b4c1acc685d5f4f553f6bcb049dd15b0d979f9f4ff4a302ec4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] b943fa5181dba0cbe1e817dd17a18c8b54426e3a1b91bf327b2c6e962bbd181a
[INFO] running `Command { std: "docker" "start" "-a" "b943fa5181dba0cbe1e817dd17a18c8b54426e3a1b91bf327b2c6e962bbd181a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling min_max_macros v0.1.1
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling arc-swap v0.4.4
[INFO] [stderr]    Compiling vec_box v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.10
[INFO] [stderr]    Compiling proc-macro-error v0.4.10
[INFO] [stderr]    Compiling miniz_oxide v0.3.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling sugar v0.2.0 (https://github.com/harryfei/sugar-rs.git#16f662eb)
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling flate2 v1.0.13
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.10
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]    Compiling context-attribute v1.0.0 (https://github.com/woodgear/context-attribute?branch=feature/custom-msg#b3df68db)
[INFO] [stderr]    Compiling structopt v0.3.9
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling log4rs v0.10.0
[INFO] [stderr]    Compiling bson v0.14.0
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `context_attribute::context`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use context_attribute::context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | use std::fs::{self, File};
[INFO] [stdout]    |                     ---- the item `File` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/lib.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 | use std::io::Read;
[INFO] [stdout]    |     ------------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeekFrom`, `Seek`
[INFO] [stdout]    --> src/lib.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |         use std::io::{Cursor, Seek, SeekFrom};
[INFO] [stdout]     |                               ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if let LogRecord::Set((key, val)) = record {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bin/kvs.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "b943fa5181dba0cbe1e817dd17a18c8b54426e3a1b91bf327b2c6e962bbd181a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b943fa5181dba0cbe1e817dd17a18c8b54426e3a1b91bf327b2c6e962bbd181a", kill_on_drop: false }`
[INFO] [stdout] b943fa5181dba0cbe1e817dd17a18c8b54426e3a1b91bf327b2c6e962bbd181a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--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] 30f0515d877ce0cbe89be68e67448d76de85855b68862b876630bd38f7fddcb9
[INFO] running `Command { std: "docker" "start" "-a" "30f0515d877ce0cbe89be68e67448d76de85855b68862b876630bd38f7fddcb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling cargo-husky v1.5.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.9
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stdout] warning: unused import: `context_attribute::context`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use context_attribute::context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | use std::fs::{self, File};
[INFO] [stdout]    |                     ---- the item `File` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/lib.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 | use std::io::Read;
[INFO] [stdout]    |     ------------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeekFrom`, `Seek`
[INFO] [stdout]    --> src/lib.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |         use std::io::{Cursor, Seek, SeekFrom};
[INFO] [stdout]     |                               ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if let LogRecord::Set((key, val)) = record {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bin/kvs.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[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] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling regex v1.3.4
[INFO] [stderr]    Compiling predicates v1.0.3
[INFO] [stderr]    Compiling assert_cmd v0.12.0
[INFO] [stderr]    Compiling kvs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `context_attribute::context`
[INFO] [stdout]  --> src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use context_attribute::context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/lib.rs:6:17
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 5  | use std::fs::{self, File};
[INFO] [stdout]    |                     ---- the item `File` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 11 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/lib.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     use std::fs::File;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]   --> src/lib.rs:12:19
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]    |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]   --> src/lib.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stdout]    |                         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 | use std::io::Read;
[INFO] [stdout]    |     ------------- the item `Read` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `SeekFrom`, `Seek`
[INFO] [stdout]    --> src/lib.rs:140:31
[INFO] [stdout]     |
[INFO] [stdout] 140 |         use std::io::{Cursor, Seek, SeekFrom};
[INFO] [stdout]     |                               ^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/bin/kvs.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             Err(e) => {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key`
[INFO] [stdout]    --> src/lib.rs:115:36
[INFO] [stdout]     |
[INFO] [stdout] 115 |             if let LogRecord::Set((key, val)) = record {
[INFO] [stdout]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[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: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 22.77s
[INFO] running `Command { std: "docker" "inspect" "30f0515d877ce0cbe89be68e67448d76de85855b68862b876630bd38f7fddcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30f0515d877ce0cbe89be68e67448d76de85855b68862b876630bd38f7fddcb9", kill_on_drop: false }`
[INFO] [stdout] 30f0515d877ce0cbe89be68e67448d76de85855b68862b876630bd38f7fddcb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 21d1e475d3f39c43c78c20b8e79546cff8146a65a0fe7209b711ef7dd1e71928
[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" "21d1e475d3f39c43c78c20b8e79546cff8146a65a0fe7209b711ef7dd1e71928", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `context_attribute::context`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use context_attribute::context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/lib.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::fs::{self, File};
[INFO] [stderr]    |                     ---- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 11 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/lib.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Read` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 | use std::io::Read;
[INFO] [stderr]    |     ------------- the item `Read` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek`
[INFO] [stderr]    --> src/lib.rs:140:31
[INFO] [stderr]     |
[INFO] [stderr] 140 |         use std::io::{Cursor, Seek, SeekFrom};
[INFO] [stderr]     |                               ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:115:36
[INFO] [stderr]     |
[INFO] [stderr] 115 |             if let LogRecord::Set((key, val)) = record {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `context_attribute::context`
[INFO] [stderr]  --> src/lib.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use context_attribute::context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Path`
[INFO] [stderr]  --> src/lib.rs:6:17
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::path::{Path, PathBuf};
[INFO] [stderr]   |                 ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `File` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 5  | use std::fs::{self, File};
[INFO] [stderr]    |                     ---- the item `File` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 11 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/lib.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     use std::fs::File;
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]   --> src/lib.rs:12:19
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Read` is imported redundantly
[INFO] [stderr]   --> src/lib.rs:12:25
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use std::io::{self, Read, Seek, SeekFrom};
[INFO] [stderr]    |                         ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 48 | use std::io::Read;
[INFO] [stderr]    |     ------------- the item `Read` is already imported here
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SeekFrom`, `Seek`
[INFO] [stderr]    --> src/lib.rs:140:31
[INFO] [stderr]     |
[INFO] [stderr] 140 |         use std::io::{Cursor, Seek, SeekFrom};
[INFO] [stderr]     |                               ^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `key`
[INFO] [stderr]    --> src/lib.rs:115:36
[INFO] [stderr]     |
[INFO] [stderr] 115 |             if let LogRecord::Set((key, val)) = record {
[INFO] [stderr]     |                                    ^^^ help: if this is intentional, prefix it with an underscore: `_key`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/bin/kvs.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/bin/kvs.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             Err(e) => {
[INFO] [stderr]    |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kvs-72ee8414ab4f27e5
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_read_offset ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/kvs-b0c3ac5f9fabac1e
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-f32abf8d216a0701
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test compaction ... ignored
[INFO] [stdout] test cli_get_stored ... ok
[INFO] [stdout] test get_stored_value ... ok
[INFO] [stdout] test overwrite_value ... ok
[INFO] [stdout] test cli_set ... ok
[INFO] [stdout] test cli_invalid_rm ... ok
[INFO] [stdout] test cli_get_non_existent_key ... ok
[INFO] [stdout] test cli_invalid_set ... ok
[INFO] [stdout] test cli_no_args ... ok
[INFO] [stdout] test cli_rm_stored ... ok
[INFO] [stdout] test remove_non_existent_key ... ok
[INFO] [stdout] test get_non_existent_value ... ok
[INFO] [stdout] test cli_rm_non_existent_key ... ok
[INFO] [stdout] test cli_invalid_subcommand ... ok
[INFO] [stdout] test remove_key ... ok
[INFO] [stdout] test cli_version ... ok
[INFO] [stdout] test cli_invalid_get ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kvs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "21d1e475d3f39c43c78c20b8e79546cff8146a65a0fe7209b711ef7dd1e71928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21d1e475d3f39c43c78c20b8e79546cff8146a65a0fe7209b711ef7dd1e71928", kill_on_drop: false }`
[INFO] [stdout] 21d1e475d3f39c43c78c20b8e79546cff8146a65a0fe7209b711ef7dd1e71928
