[INFO] cloning repository https://github.com/Dophin2009/stew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dophin2009/stew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDophin2009%2Fstew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDophin2009%2Fstew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6b7a1e9e3375890cb329fcd8aba1a2b64ffcfcb4
[INFO] testing Dophin2009/stew against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDophin2009%2Fstew" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dophin2009/stew 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/Dophin2009/stew
[INFO] finished tweaking git repo https://github.com/Dophin2009/stew
[INFO] tweaked toml for git repo https://github.com/Dophin2009/stew written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Dophin2009/stew 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3e9c7b1b37ef3938f9f1fa804fa244652eb8206913fec91bc5d07ed5d3327156
[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" "3e9c7b1b37ef3938f9f1fa804fa244652eb8206913fec91bc5d07ed5d3327156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e9c7b1b37ef3938f9f1fa804fa244652eb8206913fec91bc5d07ed5d3327156", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9c7b1b37ef3938f9f1fa804fa244652eb8206913fec91bc5d07ed5d3327156", kill_on_drop: false }`
[INFO] [stdout] 3e9c7b1b37ef3938f9f1fa804fa244652eb8206913fec91bc5d07ed5d3327156
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] e42655984bcbe82914bdc2657827478d7baa0b1ce09bc3a500679bc6cb00f3f3
[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" "e42655984bcbe82914bdc2657827478d7baa0b1ce09bc3a500679bc6cb00f3f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling gtmpl_value v0.3.3
[INFO] [stderr]    Compiling deunicode v0.4.3
[INFO] [stderr]    Compiling annotate-snippets v0.7.0
[INFO] [stderr]    Compiling os_str_bytes v2.3.2
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling slug v0.1.4
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling abnf v0.6.1
[INFO] [stderr]    Compiling sha2 v0.9.1
[INFO] [stderr]    Compiling stderrlog v0.4.3
[INFO] [stderr]    Compiling gtmpl_derive v0.3.3
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling globset v0.4.5
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling gtmpl v0.5.7
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling abnf_to_pest v0.5.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling ignore v0.4.16
[INFO] [stderr]    Compiling globwalk v0.8.0
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling pest_consume_macros v1.0.5
[INFO] [stderr]    Compiling dhall v0.6.0
[INFO] [stderr]    Compiling dhall_proc_macros v0.5.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]    Compiling pest_consume v1.0.5
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling clap v3.0.0-beta.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling serde_cbor v0.9.0
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling tera v1.5.0
[INFO] [stderr]    Compiling handlebars v3.4.0
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling reqwest v0.10.8
[INFO] [stderr]    Compiling serde_dhall v0.6.0
[INFO] [stderr]    Compiling stew v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `file_path`
[INFO] [stdout]    --> src/config.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn file_path<P: AsRef<Path>>(&self, path: P) -> PathBuf {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `path_buf`
[INFO] [stdout]    --> src/config.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn path_buf(&self) -> PathBuf {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_package`
[INFO] [stdout]   --> src/dependency.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn from_package(path: PathBuf, root: Package) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `link_package`
[INFO] [stdout]   --> src/linker.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn link_package(&self, path: PathBuf, package: Package) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 57s
[INFO] running `Command { std: "docker" "inspect" "e42655984bcbe82914bdc2657827478d7baa0b1ce09bc3a500679bc6cb00f3f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42655984bcbe82914bdc2657827478d7baa0b1ce09bc3a500679bc6cb00f3f3", kill_on_drop: false }`
[INFO] [stdout] e42655984bcbe82914bdc2657827478d7baa0b1ce09bc3a500679bc6cb00f3f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 8e94110f3c36ba70ff60919b4589d816bc49b255847726357cc49a2a1177d567
[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" "8e94110f3c36ba70ff60919b4589d816bc49b255847726357cc49a2a1177d567", 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]    Compiling stew v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `file_path`
[INFO] [stdout]    --> src/config.rs:146:12
[INFO] [stdout]     |
[INFO] [stdout] 146 |     pub fn file_path<P: AsRef<Path>>(&self, path: P) -> PathBuf {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `path_buf`
[INFO] [stdout]    --> src/config.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn path_buf(&self) -> PathBuf {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_package`
[INFO] [stdout]   --> src/dependency.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn from_package(path: PathBuf, root: Package) -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `link_package`
[INFO] [stdout]   --> src/linker.rs:44:12
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn link_package(&self, path: PathBuf, package: Package) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "8e94110f3c36ba70ff60919b4589d816bc49b255847726357cc49a2a1177d567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e94110f3c36ba70ff60919b4589d816bc49b255847726357cc49a2a1177d567", kill_on_drop: false }`
[INFO] [stdout] 8e94110f3c36ba70ff60919b4589d816bc49b255847726357cc49a2a1177d567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 60ffe66e5491558ff10f1175348b7c10831966b53aff1b4a10ff1a8e067618de
[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" "60ffe66e5491558ff10f1175348b7c10831966b53aff1b4a10ff1a8e067618de", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `file_path`
[INFO] [stderr]    --> src/config.rs:146:12
[INFO] [stderr]     |
[INFO] [stderr] 146 |     pub fn file_path<P: AsRef<Path>>(&self, path: P) -> PathBuf {
[INFO] [stderr]     |            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `path_buf`
[INFO] [stderr]    --> src/config.rs:150:12
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub fn path_buf(&self) -> PathBuf {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `from_package`
[INFO] [stderr]   --> src/dependency.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_package(path: PathBuf, root: Package) -> Result<Self> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `link_package`
[INFO] [stderr]   --> src/linker.rs:44:12
[INFO] [stderr]    |
[INFO] [stderr] 44 |     pub fn link_package(&self, path: PathBuf, package: Package) -> Result<()> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/stew-98809d2f29e92473
[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" "60ffe66e5491558ff10f1175348b7c10831966b53aff1b4a10ff1a8e067618de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ffe66e5491558ff10f1175348b7c10831966b53aff1b4a10ff1a8e067618de", kill_on_drop: false }`
[INFO] [stdout] 60ffe66e5491558ff10f1175348b7c10831966b53aff1b4a10ff1a8e067618de