[INFO] cloning repository https://github.com/stephenglynch/RustyBox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephenglynch/RustyBox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenglynch%2FRustyBox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenglynch%2FRustyBox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 189234751e08a2223ca1d0145593c5839a13e276
[INFO] checking stephenglynch/RustyBox against master#1280928a99ad3ef2c5735b42dc8852456ae3b974 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenglynch%2FRustyBox" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stephenglynch/RustyBox on toolchain 1280928a99ad3ef2c5735b42dc8852456ae3b974
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stephenglynch/RustyBox
[INFO] finished tweaking git repo https://github.com/stephenglynch/RustyBox
[INFO] tweaked toml for git repo https://github.com/stephenglynch/RustyBox written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/stephenglynch/RustyBox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1280928a99ad3ef2c5735b42dc8852456ae3b974" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking stephenglynch/RustyBox against try#9b9e20bc79549d80ab413f49d990713851172cc1 for pr-120798
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenglynch%2FRustyBox" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stephenglynch/RustyBox on toolchain 9b9e20bc79549d80ab413f49d990713851172cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stephenglynch/RustyBox
[INFO] finished tweaking git repo https://github.com/stephenglynch/RustyBox
[INFO] tweaked toml for git repo https://github.com/stephenglynch/RustyBox written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/stephenglynch/RustyBox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 430831375d65b03ea4770d4b6cb01f17e723b8758f5531adc33a7ed76ee79ffe
[INFO] running `Command { std: "docker" "start" "-a" "430831375d65b03ea4770d4b6cb01f17e723b8758f5531adc33a7ed76ee79ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "430831375d65b03ea4770d4b6cb01f17e723b8758f5531adc33a7ed76ee79ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "430831375d65b03ea4770d4b6cb01f17e723b8758f5531adc33a7ed76ee79ffe", kill_on_drop: false }`
[INFO] [stdout] 430831375d65b03ea4770d4b6cb01f17e723b8758f5531adc33a7ed76ee79ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+9b9e20bc79549d80ab413f49d990713851172cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97592d3d6ba5509b9d9d4308f507c67d5e65eff62f0911065381d64eed35dac8
[INFO] running `Command { std: "docker" "start" "-a" "97592d3d6ba5509b9d9d4308f507c67d5e65eff62f0911065381d64eed35dac8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking once_cell v1.17.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking iana-time-zone v0.1.56
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking pico-args v0.5.0
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking chrono v0.4.24
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking stderrlog v0.5.4
[INFO] [stderr]     Checking rustybox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> tests/test_sh.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             drop(child_stdin);
[INFO] [stdout]    |             ^^^^^-----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut ChildStdin`
[INFO] [stdout] ...
[INFO] [stdout] 31 | check_output!(sh_echo1, "echo", "fooword", "fooword\n");
[INFO] [stdout]    | ------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `check_output` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> tests/test_sh.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |             drop(child_stdin);
[INFO] [stdout]    |             ^^^^^-----------^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  argument has type `&mut ChildStdin`
[INFO] [stdout] ...
[INFO] [stdout] 33 | check_output!(sh_echo2, "echo", "foo word", "foo word\n");
[INFO] [stdout]    | --------------------------------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    = note: this warning originates in the macro `check_output` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expandable` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Expandable {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expand` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Expandable {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 19 |     fn expand(self, ev: ExecEnv) -> Option<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expandable` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn expandable<'a>(input: &'a [u8]) -> RbResult<&'a [u8], Expandable> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `text` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn text<'a>(input: &'a [u8]) -> RbResult<&'a [u8], Expandable> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variable` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn variable<'a>(input: &'a [u8]) -> RbResult<&'a [u8], Expandable> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expandable` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum Expandable {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expand` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Expandable {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 19 |     fn expand(self, ev: ExecEnv) -> Option<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `expandable` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:31:4
[INFO] [stdout]    |
[INFO] [stdout] 31 | fn expandable<'a>(input: &'a [u8]) -> RbResult<&'a [u8], Expandable> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `text` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn text<'a>(input: &'a [u8]) -> RbResult<&'a [u8], Expandable> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `variable` is never used
[INFO] [stdout]   --> src/utils/sh/expansions.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn variable<'a>(input: &'a [u8]) -> RbResult<&'a [u8], Expandable> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.06s
[INFO] running `Command { std: "docker" "inspect" "97592d3d6ba5509b9d9d4308f507c67d5e65eff62f0911065381d64eed35dac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97592d3d6ba5509b9d9d4308f507c67d5e65eff62f0911065381d64eed35dac8", kill_on_drop: false }`
[INFO] [stdout] 97592d3d6ba5509b9d9d4308f507c67d5e65eff62f0911065381d64eed35dac8