[INFO] fetching crate stratus 0.1.1...
[INFO] testing stratus-0.1.1 against 1.76.0 for beta-1.77-1
[INFO] extracting crate stratus 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate stratus 0.1.1 on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stratus 0.1.1
[INFO] finished tweaking crates.io crate stratus 0.1.1
[INFO] tweaked toml for crates.io crate stratus 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stratus-macros v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3bfbbf48a19a9f60ea1a9b245fa6a0a06a75ba3b531a797d93e31b8d609550e
[INFO] running `Command { std: "docker" "start" "-a" "c3bfbbf48a19a9f60ea1a9b245fa6a0a06a75ba3b531a797d93e31b8d609550e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3bfbbf48a19a9f60ea1a9b245fa6a0a06a75ba3b531a797d93e31b8d609550e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3bfbbf48a19a9f60ea1a9b245fa6a0a06a75ba3b531a797d93e31b8d609550e", kill_on_drop: false }`
[INFO] [stdout] c3bfbbf48a19a9f60ea1a9b245fa6a0a06a75ba3b531a797d93e31b8d609550e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b178e34c3f20da20364980362eeb8eb8db59cc1ed0cc08b9e3835e0db47f526
[INFO] running `Command { std: "docker" "start" "-a" "9b178e34c3f20da20364980362eeb8eb8db59cc1ed0cc08b9e3835e0db47f526", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling stratus-macros v0.1.1
[INFO] [stderr]    Compiling stratus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `active_session` is never read
[INFO] [stdout]   --> src/instrumentor.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Instrumentor {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 78 |     active_session: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 5.75s
[INFO] running `Command { std: "docker" "inspect" "9b178e34c3f20da20364980362eeb8eb8db59cc1ed0cc08b9e3835e0db47f526", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b178e34c3f20da20364980362eeb8eb8db59cc1ed0cc08b9e3835e0db47f526", kill_on_drop: false }`
[INFO] [stdout] 9b178e34c3f20da20364980362eeb8eb8db59cc1ed0cc08b9e3835e0db47f526
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 410398ab1b27ef41782e5788a2694006596e46ddb53c514636d5a1fe2dccdc25
[INFO] running `Command { std: "docker" "start" "-a" "410398ab1b27ef41782e5788a2694006596e46ddb53c514636d5a1fe2dccdc25", kill_on_drop: false }`
[INFO] [stderr]    Compiling stratus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `active_session` is never read
[INFO] [stdout]   --> src/instrumentor.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Instrumentor {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 78 |     active_session: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `active_session` is never read
[INFO] [stdout]   --> src/instrumentor.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Instrumentor {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 78 |     active_session: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/timer.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stratus` (test "timer") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "410398ab1b27ef41782e5788a2694006596e46ddb53c514636d5a1fe2dccdc25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "410398ab1b27ef41782e5788a2694006596e46ddb53c514636d5a1fe2dccdc25", kill_on_drop: false }`
[INFO] [stdout] 410398ab1b27ef41782e5788a2694006596e46ddb53c514636d5a1fe2dccdc25
