[INFO] crate pier 0.1.2 is already in cache
[INFO] testing pier-0.1.2 against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] extracting crate pier 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate pier 0.1.2 on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pier 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate pier 0.1.2
[INFO] tweaked toml for crates.io crate pier 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate pier 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", 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] ca0dddebcc4606c80b0b22e19565c216180ef18a63ce893339522b8bdbd871b1
[INFO] running `Command { std: "docker" "start" "-a" "ca0dddebcc4606c80b0b22e19565c216180ef18a63ce893339522b8bdbd871b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca0dddebcc4606c80b0b22e19565c216180ef18a63ce893339522b8bdbd871b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca0dddebcc4606c80b0b22e19565c216180ef18a63ce893339522b8bdbd871b1", kill_on_drop: false }`
[INFO] [stdout] ca0dddebcc4606c80b0b22e19565c216180ef18a63ce893339522b8bdbd871b1
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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] 2534977ba9a746233b9ca197aa398e339edb9fbf105000ed7d2db66fb115015a
[INFO] running `Command { std: "docker" "start" "-a" "2534977ba9a746233b9ca197aa398e339edb9fbf105000ed7d2db66fb115015a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling encode_unicode v0.3.5
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling backtrace v0.3.16
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling clap v2.27.1
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling csv-core v0.1.5
[INFO] [stderr]    Compiling enum-kinds v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling csv v1.0.7
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling prettytable-rs v0.8.0
[INFO] [stderr]    Compiling pier v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/lib.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn run(&self, arg: &str) -> Result<()> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[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 43.33s
[INFO] running `Command { std: "docker" "inspect" "2534977ba9a746233b9ca197aa398e339edb9fbf105000ed7d2db66fb115015a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2534977ba9a746233b9ca197aa398e339edb9fbf105000ed7d2db66fb115015a", kill_on_drop: false }`
[INFO] [stdout] 2534977ba9a746233b9ca197aa398e339edb9fbf105000ed7d2db66fb115015a
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 160f3383d212c64a48d236c1ffa4795961920277851a6e9a6d245b9863b5cce7
[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" "160f3383d212c64a48d236c1ffa4795961920277851a6e9a6d245b9863b5cce7", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/lib.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn run(&self, arg: &str) -> Result<()> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[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 rand_core v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling predicates v1.0.1
[INFO] [stderr]    Compiling ignore v0.4.10
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling globwalk v0.5.0
[INFO] [stderr]    Compiling assert_fs v0.11.3
[INFO] [stderr]    Compiling pier v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `arg`
[INFO] [stdout]    --> src/lib.rs:173:23
[INFO] [stdout]     |
[INFO] [stdout] 173 |     pub fn run(&self, arg: &str) -> Result<()> {
[INFO] [stdout]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[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 test [unoptimized + debuginfo] target(s) in 30.16s
[INFO] running `Command { std: "docker" "inspect" "160f3383d212c64a48d236c1ffa4795961920277851a6e9a6d245b9863b5cce7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "160f3383d212c64a48d236c1ffa4795961920277851a6e9a6d245b9863b5cce7", kill_on_drop: false }`
[INFO] [stdout] 160f3383d212c64a48d236c1ffa4795961920277851a6e9a6d245b9863b5cce7
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 235a3db3a8d815e583c7493b7eed28d6751a0da5875ed47f600403f6d92a9711
[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" "235a3db3a8d815e583c7493b7eed28d6751a0da5875ed47f600403f6d92a9711", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `arg`
[INFO] [stderr]    --> src/lib.rs:173:23
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn run(&self, arg: &str) -> Result<()> {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[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: `arg`
[INFO] [stderr]    --> src/lib.rs:173:23
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn run(&self, arg: &str) -> Result<()> {
[INFO] [stderr]     |                       ^^^ help: if this is intentional, prefix it with an underscore: `_arg`
[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 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pier-d941d9f17abfc67f
[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/pier-007313a3daa6c46e
[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/integration-41a5069df815b9b6
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test error_handling::test_error_no_scripts_exists ... ok
[INFO] [stdout] test error_handling::test_config_read_error ... ok
[INFO] [stdout] test error_handling::test_config_write_error ... ok
[INFO] [stdout] test error_handling::test_error_alias_not_found ... ok
[INFO] [stdout] test cli::test_run_script_and ... ok
[INFO] [stdout] test error_handling::test_toml_parse_error ... ok
[INFO] [stdout] test cli::test_add_script ... ok
[INFO] [stdout] test cli::test_run_script ... ok
[INFO] [stdout] test cli::test_remove_script ... ok
[INFO] [stdout] test cli::test_run_script_non_blocking ... ok
[INFO] [stdout] test cli::test_list_scripts ... ok
[INFO] [stdout] test cli::test_run_script_pipe ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pier
[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" "235a3db3a8d815e583c7493b7eed28d6751a0da5875ed47f600403f6d92a9711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "235a3db3a8d815e583c7493b7eed28d6751a0da5875ed47f600403f6d92a9711", kill_on_drop: false }`
[INFO] [stdout] 235a3db3a8d815e583c7493b7eed28d6751a0da5875ed47f600403f6d92a9711