[INFO] fetching crate helix 0.7.5...
[INFO] testing helix-0.7.5 against 1.49.0 for beta-1.50-1
[INFO] extracting crate helix 0.7.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate helix 0.7.5 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate helix 0.7.5
[INFO] finished tweaking crates.io crate helix 0.7.5
[INFO] tweaked toml for crates.io crate helix 0.7.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] ddd0bd22caf7e8b61832bb616a402b1b83578146c9a68692b9affda1a3eb4bc1
[INFO] running `Command { std: "docker" "start" "-a" "ddd0bd22caf7e8b61832bb616a402b1b83578146c9a68692b9affda1a3eb4bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddd0bd22caf7e8b61832bb616a402b1b83578146c9a68692b9affda1a3eb4bc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddd0bd22caf7e8b61832bb616a402b1b83578146c9a68692b9affda1a3eb4bc1", kill_on_drop: false }`
[INFO] [stdout] ddd0bd22caf7e8b61832bb616a402b1b83578146c9a68692b9affda1a3eb4bc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2812d94a2e2c18a70ff36cb74c3deca4940f1c6e44ba3bf37fddd1dc4059e7ac
[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" "2812d94a2e2c18a70ff36cb74c3deca4940f1c6e44ba3bf37fddd1dc4059e7ac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libcruby-sys v0.7.5
[INFO] [stderr]    Compiling cstr-macro v0.1.0
[INFO] [stderr]    Compiling helix v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn from_any(any: Box<any::Any>) -> Error {
[INFO] [stdout]    |                              ^^^^^^^^ help: use `dyn`: `dyn any::Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 3.60s
[INFO] running `Command { std: "docker" "inspect" "2812d94a2e2c18a70ff36cb74c3deca4940f1c6e44ba3bf37fddd1dc4059e7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2812d94a2e2c18a70ff36cb74c3deca4940f1c6e44ba3bf37fddd1dc4059e7ac", kill_on_drop: false }`
[INFO] [stdout] 2812d94a2e2c18a70ff36cb74c3deca4940f1c6e44ba3bf37fddd1dc4059e7ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29af1afb8625a520ec7a51b8fb0f4aa4e7b877858a2e287b997e53c67428eddb
[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" "29af1afb8625a520ec7a51b8fb0f4aa4e7b877858a2e287b997e53c67428eddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling helix v0.7.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn from_any(any: Box<any::Any>) -> Error {
[INFO] [stdout]    |                              ^^^^^^^^ help: use `dyn`: `dyn any::Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn from_any(any: Box<any::Any>) -> Error {
[INFO] [stdout]    |                              ^^^^^^^^ help: use `dyn`: `dyn any::Any`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 1.66s
[INFO] running `Command { std: "docker" "inspect" "29af1afb8625a520ec7a51b8fb0f4aa4e7b877858a2e287b997e53c67428eddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29af1afb8625a520ec7a51b8fb0f4aa4e7b877858a2e287b997e53c67428eddb", kill_on_drop: false }`
[INFO] [stdout] 29af1afb8625a520ec7a51b8fb0f4aa4e7b877858a2e287b997e53c67428eddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] f8cb53c67043a4c0bf57a36f0011d54354d6544ef00cf638941b86323414ff79
[INFO] running `Command { std: "docker" "start" "-a" "f8cb53c67043a4c0bf57a36f0011d54354d6544ef00cf638941b86323414ff79", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn from_any(any: Box<any::Any>) -> Error {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn any::Any`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:26:30
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn from_any(any: Box<any::Any>) -> Error {
[INFO] [stderr]    |                              ^^^^^^^^ help: use `dyn`: `dyn any::Any`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/helix-04af545ad104073a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests helix
[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] [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" "f8cb53c67043a4c0bf57a36f0011d54354d6544ef00cf638941b86323414ff79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8cb53c67043a4c0bf57a36f0011d54354d6544ef00cf638941b86323414ff79", kill_on_drop: false }`
[INFO] [stdout] f8cb53c67043a4c0bf57a36f0011d54354d6544ef00cf638941b86323414ff79