[INFO] fetching crate cmd_cache 0.1.1...
[INFO] testing cmd_cache-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate cmd_cache 0.1.1 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate cmd_cache 0.1.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cmd_cache 0.1.1
[INFO] finished tweaking crates.io crate cmd_cache 0.1.1
[INFO] tweaked toml for crates.io crate cmd_cache 0.1.1 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] crate crates.io crate cmd_cache 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c0fc78703e672b23285f8504ca42b7a7027ee0cf1312261ec0c525c9a82fede7
[INFO] running `Command { std: "docker" "start" "-a" "c0fc78703e672b23285f8504ca42b7a7027ee0cf1312261ec0c525c9a82fede7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0fc78703e672b23285f8504ca42b7a7027ee0cf1312261ec0c525c9a82fede7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0fc78703e672b23285f8504ca42b7a7027ee0cf1312261ec0c525c9a82fede7", kill_on_drop: false }`
[INFO] [stdout] c0fc78703e672b23285f8504ca42b7a7027ee0cf1312261ec0c525c9a82fede7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93545e03aa12b3d865854663873b79a92d526facdb88f3c4518e8c84bbce5849
[INFO] running `Command { std: "docker" "start" "-a" "93545e03aa12b3d865854663873b79a92d526facdb88f3c4518e8c84bbce5849", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling cmd_cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `Command { std: "docker" "inspect" "93545e03aa12b3d865854663873b79a92d526facdb88f3c4518e8c84bbce5849", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93545e03aa12b3d865854663873b79a92d526facdb88f3c4518e8c84bbce5849", kill_on_drop: false }`
[INFO] [stdout] 93545e03aa12b3d865854663873b79a92d526facdb88f3c4518e8c84bbce5849
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27d9a56e45777509bc712ee200e327977d971d613a30c0c144fef8d8db7aa403
[INFO] running `Command { std: "docker" "start" "-a" "27d9a56e45777509bc712ee200e327977d971d613a30c0c144fef8d8db7aa403", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmd_cache v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `clean_env`
[INFO] [stdout]    --> src/main.rs:154:8
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn clean_env(key : &str) -> Option <String>{
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `restore_env`
[INFO] [stdout]    --> src/main.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn restore_env(key : &str, value :Option <String>) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "27d9a56e45777509bc712ee200e327977d971d613a30c0c144fef8d8db7aa403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d9a56e45777509bc712ee200e327977d971d613a30c0c144fef8d8db7aa403", kill_on_drop: false }`
[INFO] [stdout] 27d9a56e45777509bc712ee200e327977d971d613a30c0c144fef8d8db7aa403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9347c940433feddd21298b17c86a5083315c9174351d6f4573a3646b0fde79c6
[INFO] running `Command { std: "docker" "start" "-a" "9347c940433feddd21298b17c86a5083315c9174351d6f4573a3646b0fde79c6", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `clean_env`
[INFO] [stderr]    --> src/main.rs:154:8
[INFO] [stderr]     |
[INFO] [stderr] 154 |     fn clean_env(key : &str) -> Option <String>{
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `restore_env`
[INFO] [stderr]    --> src/main.rs:162:8
[INFO] [stderr]     |
[INFO] [stderr] 162 |     fn restore_env(key : &str, value :Option <String>) {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cmd_cache` (bin "cmd_cache" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cmd_cache-53315f4b0b77bff5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::test_concat_args ... ok
[INFO] [stdout] test test::test_check_or_create_dir ... ok
[INFO] [stdout] test test::test_check_file ... ok
[INFO] [stdout] test test::test_get_max_days ... ok
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_cmd_cache ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9347c940433feddd21298b17c86a5083315c9174351d6f4573a3646b0fde79c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9347c940433feddd21298b17c86a5083315c9174351d6f4573a3646b0fde79c6", kill_on_drop: false }`
[INFO] [stdout] 9347c940433feddd21298b17c86a5083315c9174351d6f4573a3646b0fde79c6