[INFO] fetching crate bebop 2.4.6...
[INFO] checking bebop-2.4.6 against master#4a0ee3cdc66573c8b46471462db7088a89d25183 for pr-102513-1
[INFO] extracting crate bebop 2.4.6 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate bebop 2.4.6 on toolchain 4a0ee3cdc66573c8b46471462db7088a89d25183
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bebop 2.4.6
[INFO] finished tweaking crates.io crate bebop 2.4.6
[INFO] tweaked toml for crates.io crate bebop 2.4.6 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "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" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.10.5
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded tinytemplate v1.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.145
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.2
[INFO] [stderr]   Downloaded half v1.8.2
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.11
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.6
[INFO] [stderr]   Downloaded cast v0.3.0
[INFO] [stderr]   Downloaded oorandom v11.1.3
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.83
[INFO] [stderr]   Downloaded plotters-svg v0.3.3
[INFO] [stderr]   Downloaded plotters-backend v0.3.4
[INFO] [stderr]   Downloaded itoa v0.4.8
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.83
[INFO] [stderr]   Downloaded walkdir v2.3.2
[INFO] [stderr]   Downloaded rayon v1.5.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.83
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.83
[INFO] [stderr]   Downloaded rayon-core v1.9.3
[INFO] [stderr]   Downloaded bumpalo v3.11.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.12
[INFO] [stderr]   Downloaded plotters v0.3.4
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.83
[INFO] [stderr]   Downloaded js-sys v0.3.60
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded csv-core v0.1.10
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded regex-automata v0.1.10
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] [stderr]   Downloaded serde v1.0.145
[INFO] [stderr]   Downloaded num_cpus v1.13.1
[INFO] [stderr]   Downloaded web-sys v0.3.60
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] [stderr]   Downloaded same-file v1.0.6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55e87186b16501be14e75cf83fb7600ff0ceade59cb291b598093fb1b3ca2c89
[INFO] running `Command { std: "docker" "start" "-a" "55e87186b16501be14e75cf83fb7600ff0ceade59cb291b598093fb1b3ca2c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55e87186b16501be14e75cf83fb7600ff0ceade59cb291b598093fb1b3ca2c89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55e87186b16501be14e75cf83fb7600ff0ceade59cb291b598093fb1b3ca2c89", kill_on_drop: false }`
[INFO] [stdout] 55e87186b16501be14e75cf83fb7600ff0ceade59cb291b598093fb1b3ca2c89
[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=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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+4a0ee3cdc66573c8b46471462db7088a89d25183" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fa9f52bc96e493425a70868853ad57a486f51b252d07abf0282e67526eced30
[INFO] running `Command { std: "docker" "start" "-a" "1fa9f52bc96e493425a70868853ad57a486f51b252d07abf0282e67526eced30", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking plotters-backend v0.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking bebop v2.4.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking plotters v0.3.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `BenchmarkId`
[INFO] [stdout]  --> benches/slice_wrapper.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use criterion::{black_box, criterion_group, BenchmarkId, Criterion};
[INFO] [stdout]   |                                             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BenchmarkId`
[INFO] [stdout]  --> benches/slice_wrapper.rs:5:45
[INFO] [stdout]   |
[INFO] [stdout] 5 | use criterion::{black_box, criterion_group, BenchmarkId, Criterion};
[INFO] [stdout]   |                                             ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/serialization.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |         .map(|_| (0..4).map(|i| (0..16).collect()).collect())
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> benches/serialization.rs:77:30
[INFO] [stdout]    |
[INFO] [stdout] 77 |         .map(|_| (0..4).map(|i| (0..16).collect()).collect())
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.72s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: bebop v2.4.6 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1fa9f52bc96e493425a70868853ad57a486f51b252d07abf0282e67526eced30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fa9f52bc96e493425a70868853ad57a486f51b252d07abf0282e67526eced30", kill_on_drop: false }`
[INFO] [stdout] 1fa9f52bc96e493425a70868853ad57a486f51b252d07abf0282e67526eced30