[INFO] fetching crate key_value_service 0.1.10...
[INFO] testing key_value_service-0.1.10 against master#61223975d46f794466efa832bc7562b9707ecc46+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate key_value_service 0.1.10 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate key_value_service 0.1.10 on toolchain 61223975d46f794466efa832bc7562b9707ecc46
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate key_value_service 0.1.10
[INFO] finished tweaking crates.io crate key_value_service 0.1.10
[INFO] tweaked toml for crates.io crate key_value_service 0.1.10 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate key_value_service 0.1.10 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" "+61223975d46f794466efa832bc7562b9707ecc46" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+61223975d46f794466efa832bc7562b9707ecc46" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6aab77a032b5e4da1678cbf70c49906d2a5eca86793d494efd81f9558bd9d54a
[INFO] running `Command { std: "docker" "start" "-a" "6aab77a032b5e4da1678cbf70c49906d2a5eca86793d494efd81f9558bd9d54a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6aab77a032b5e4da1678cbf70c49906d2a5eca86793d494efd81f9558bd9d54a", kill_on_drop: false }`
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[INFO] [stdout] 41074b02723e829fb4d97e8a9b799133d0c763538eae11cc73badaa7beed888d
[INFO] running `Command { std: "docker" "start" "-a" "41074b02723e829fb4d97e8a9b799133d0c763538eae11cc73badaa7beed888d", kill_on_drop: false }`
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[INFO] [stderr]    Compiling key_value_service v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CatReply`
[INFO] [stdout]   --> src/actions/mod.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use read::{CatReply, ReadAction};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `request_serialize` is never used
[INFO] [stdout]   --> src/spec.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait KVSAction<R: serde::Serialize> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn request_serialize(&mut self, session: &mut impl Session) -> KVSResult<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "41074b02723e829fb4d97e8a9b799133d0c763538eae11cc73badaa7beed888d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41074b02723e829fb4d97e8a9b799133d0c763538eae11cc73badaa7beed888d", kill_on_drop: false }`
[INFO] [stdout] 41074b02723e829fb4d97e8a9b799133d0c763538eae11cc73badaa7beed888d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 807f340614d2c7321647de927fb96eca40780a9222b9f8831214e31dc7d4e30e
[INFO] running `Command { std: "docker" "start" "-a" "807f340614d2c7321647de927fb96eca40780a9222b9f8831214e31dc7d4e30e", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `CatReply`
[INFO] [stdout]   --> src/actions/mod.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use read::{CatReply, ReadAction};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `request_serialize` is never used
[INFO] [stdout]   --> src/spec.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait KVSAction<R: serde::Serialize> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn request_serialize(&mut self, session: &mut impl Session) -> KVSResult<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling key_value_service v0.1.10 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CatReply`
[INFO] [stdout]   --> src/actions/mod.rs:13:16
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub use read::{CatReply, ReadAction};
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/kv_session.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl MockSession {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 71 |     pub fn new() -> KVSResult<Self> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `request_serialize` is never used
[INFO] [stdout]   --> src/spec.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait KVSAction<R: serde::Serialize> {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn request_serialize(&mut self, session: &mut impl Session) -> KVSResult<Vec<u8>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.09s
[INFO] running `Command { std: "docker" "inspect" "807f340614d2c7321647de927fb96eca40780a9222b9f8831214e31dc7d4e30e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807f340614d2c7321647de927fb96eca40780a9222b9f8831214e31dc7d4e30e", kill_on_drop: false }`
[INFO] [stdout] 807f340614d2c7321647de927fb96eca40780a9222b9f8831214e31dc7d4e30e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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 -Copt-level=3" "-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" "+61223975d46f794466efa832bc7562b9707ecc46" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 190a4a983391feb4bad811ba0acad06cea2b3f537441de43b82f54773e4eb19f
[INFO] running `Command { std: "docker" "start" "-a" "190a4a983391feb4bad811ba0acad06cea2b3f537441de43b82f54773e4eb19f", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `CatReply`
[INFO] [stderr]   --> src/actions/mod.rs:13:16
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub use read::{CatReply, ReadAction};
[INFO] [stderr]    |                ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `request_serialize` is never used
[INFO] [stderr]   --> src/spec.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub trait KVSAction<R: serde::Serialize> {
[INFO] [stderr]    |           --------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 23 |     fn request_serialize(&mut self, session: &mut impl Session) -> KVSResult<Vec<u8>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/kv_session.rs:71:12
[INFO] [stderr]    |
[INFO] [stderr] 70 | impl MockSession {
[INFO] [stderr]    | ---------------- associated function in this implementation
[INFO] [stderr] 71 |     pub fn new() -> KVSResult<Self> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `request_serialize` is never used
[INFO] [stderr]   --> src/spec.rs:23:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub trait KVSAction<R: serde::Serialize> {
[INFO] [stderr]    |           --------- method in this trait
[INFO] [stderr] ...
[INFO] [stderr] 23 |     fn request_serialize(&mut self, session: &mut impl Session) -> KVSResult<Vec<u8>> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `key_value_service` (lib) generated 2 warnings (run `cargo fix --lib -p key_value_service` to apply 1 suggestion)
[INFO] [stderr] warning: `key_value_service` (lib test) generated 3 warnings (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/key_value_service-a5f1d43ba94dc657)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test utils::test::test_to_u8str ... ok
[INFO] [stdout] test actions::read::fetch_token::serve ... ok
[INFO] [stdout] test secret::test::test_dh ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/kvs.rs (/opt/rustwide/target/debug/deps/kvs-89b1d0c8ca14869c)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests key_value_service
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "190a4a983391feb4bad811ba0acad06cea2b3f537441de43b82f54773e4eb19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190a4a983391feb4bad811ba0acad06cea2b3f537441de43b82f54773e4eb19f", kill_on_drop: false }`
[INFO] [stdout] 190a4a983391feb4bad811ba0acad06cea2b3f537441de43b82f54773e4eb19f
[INFO] testing key_value_service-0.1.10 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate key_value_service 0.1.10 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate key_value_service 0.1.10 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate key_value_service 0.1.10
[INFO] finished tweaking crates.io crate key_value_service 0.1.10
[INFO] tweaked toml for crates.io crate key_value_service 0.1.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate key_value_service 0.1.10 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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
[INFO] testing key_value_service-0.1.10 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate key_value_service 0.1.10 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate key_value_service 0.1.10 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate key_value_service 0.1.10
[INFO] finished tweaking crates.io crate key_value_service 0.1.10
[INFO] tweaked toml for crates.io crate key_value_service 0.1.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate key_value_service 0.1.10 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing key_value_service-0.1.10 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate key_value_service 0.1.10 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate key_value_service 0.1.10 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate key_value_service 0.1.10
[INFO] finished tweaking crates.io crate key_value_service 0.1.10
[INFO] tweaked toml for crates.io crate key_value_service 0.1.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate key_value_service 0.1.10 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing key_value_service-0.1.10 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate key_value_service 0.1.10 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate key_value_service 0.1.10 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate key_value_service 0.1.10
[INFO] finished tweaking crates.io crate key_value_service 0.1.10
[INFO] tweaked toml for crates.io crate key_value_service 0.1.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate key_value_service 0.1.10 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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
[ERROR] error running command: no output for 300 seconds
[INFO] testing key_value_service-0.1.10 against try#d073071d77ce0f93b4fd8cc567a1e2b9e1b22126+rustflags=-Copt-level=3 for pr-121282
[INFO] extracting crate key_value_service 0.1.10 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate key_value_service 0.1.10 on toolchain d073071d77ce0f93b4fd8cc567a1e2b9e1b22126
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate key_value_service 0.1.10
[INFO] finished tweaking crates.io crate key_value_service 0.1.10
[INFO] tweaked toml for crates.io crate key_value_service 0.1.10 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate key_value_service 0.1.10 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" "+d073071d77ce0f93b4fd8cc567a1e2b9e1b22126" "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
[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.