[INFO] fetching crate ions 0.1.9...
[INFO] testing ions-0.1.9 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ions 0.1.9 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ions 0.1.9 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ions 0.1.9
[INFO] finished tweaking crates.io crate ions 0.1.9
[INFO] tweaked toml for crates.io crate ions 0.1.9 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb8e3b4827e7e26e4f53c2e9277d9aca213f5f82b08d47d1f008e1a4ccab0b2f
[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" "cb8e3b4827e7e26e4f53c2e9277d9aca213f5f82b08d47d1f008e1a4ccab0b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb8e3b4827e7e26e4f53c2e9277d9aca213f5f82b08d47d1f008e1a4ccab0b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8e3b4827e7e26e4f53c2e9277d9aca213f5f82b08d47d1f008e1a4ccab0b2f", kill_on_drop: false }`
[INFO] [stdout] cb8e3b4827e7e26e4f53c2e9277d9aca213f5f82b08d47d1f008e1a4ccab0b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43e0113011d278b5ed5d8cd491aed70c842d7d48369842f3f3b9e94fe81a651d
[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" "43e0113011d278b5ed5d8cd491aed70c842d7d48369842f3f3b9e94fe81a651d", kill_on_drop: false }`
[INFO] [stderr]    Compiling ions v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/parser.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[grammar = "grammar.pest"]
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 9 | #[derive(Parser)]
[INFO] [stdout]   |          ------ the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::IntoIter`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::IntoIter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/parser.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pest::{Parser, error::Error};
[INFO] [stdout]   |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error`
[INFO] [stdout]   --> src/parser.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | use crate::error;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `Command { std: "docker" "inspect" "43e0113011d278b5ed5d8cd491aed70c842d7d48369842f3f3b9e94fe81a651d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e0113011d278b5ed5d8cd491aed70c842d7d48369842f3f3b9e94fe81a651d", kill_on_drop: false }`
[INFO] [stdout] 43e0113011d278b5ed5d8cd491aed70c842d7d48369842f3f3b9e94fe81a651d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--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] 012a91a381230a5e2b0b31bc1745afac20754de4b97700e2c5898ce770cdaaf1
[INFO] running `Command { std: "docker" "start" "-a" "012a91a381230a5e2b0b31bc1745afac20754de4b97700e2c5898ce770cdaaf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling ions v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/parser.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[grammar = "grammar.pest"]
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 9 | #[derive(Parser)]
[INFO] [stdout]   |          ------ the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::IntoIter`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::IntoIter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/parser.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pest::{Parser, error::Error};
[INFO] [stdout]   |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error`
[INFO] [stdout]   --> src/parser.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | use crate::error;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]   --> tests/test.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 | use serde::{Deserialize, Serialize};
[INFO] [stdout]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/parser.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[grammar = "grammar.pest"]
[INFO] [stdout]   |   ^^^^^^^
[INFO] [stdout] 9 | #[derive(Parser)]
[INFO] [stdout]   |          ------ the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::vec::IntoIter`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::IntoIter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::Error`
[INFO] [stdout]  --> src/parser.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 | use pest::{Parser, error::Error};
[INFO] [stdout]   |                    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error`
[INFO] [stdout]   --> src/parser.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 82 | use crate::error;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "012a91a381230a5e2b0b31bc1745afac20754de4b97700e2c5898ce770cdaaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "012a91a381230a5e2b0b31bc1745afac20754de4b97700e2c5898ce770cdaaf1", kill_on_drop: false }`
[INFO] [stdout] 012a91a381230a5e2b0b31bc1745afac20754de4b97700e2c5898ce770cdaaf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] b72a12bc1ec561ebf84216011ddc96867cf1ae261fa84fbdf538b8e92322353c
[INFO] running `Command { std: "docker" "start" "-a" "b72a12bc1ec561ebf84216011ddc96867cf1ae261fa84fbdf538b8e92322353c", kill_on_drop: false }`
[INFO] [stderr] warning: derive helper attribute is used before it is introduced
[INFO] [stderr]  --> src/parser.rs:8:3
[INFO] [stderr]   |
[INFO] [stderr] 8 | #[grammar = "grammar.pest"]
[INFO] [stderr]   |   ^^^^^^^
[INFO] [stderr] 9 | #[derive(Parser)]
[INFO] [stderr]   |          ------ the attribute is introduced here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(legacy_derive_helpers)]` on by default
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::vec::IntoIter`
[INFO] [stderr]  --> src/parser.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::vec::IntoIter;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `error::Error`
[INFO] [stderr]  --> src/parser.rs:5:20
[INFO] [stderr]   |
[INFO] [stderr] 5 | use pest::{Parser, error::Error};
[INFO] [stderr]   |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::error`
[INFO] [stderr]   --> src/parser.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 82 | use crate::error;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `ions` (lib) generated 4 warnings
[INFO] [stderr] warning: `ions` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stderr]   --> tests/test.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 | use serde::{Deserialize, Serialize};
[INFO] [stderr]    |             ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ions` (test "test") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ions-fec3a4df37f50af4)
[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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-c93fb8aa9f97017c)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ions
[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" "b72a12bc1ec561ebf84216011ddc96867cf1ae261fa84fbdf538b8e92322353c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b72a12bc1ec561ebf84216011ddc96867cf1ae261fa84fbdf538b8e92322353c", kill_on_drop: false }`
[INFO] [stdout] b72a12bc1ec561ebf84216011ddc96867cf1ae261fa84fbdf538b8e92322353c