[INFO] fetching crate voila 3.4.0...
[INFO] checking voila-3.4.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate voila 3.4.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain
[INFO] started tweaking crates.io crate voila 3.4.0
[INFO] finished tweaking crates.io crate voila 3.4.0
[INFO] tweaked toml for crates.io crate voila 3.4.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate voila 3.4.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate voila 3.4.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2af715fe259330e5989b13023c57e6dffce1afe7e1b378aed325bf632852917f
[INFO] running `Command { std: "docker" "start" "-a" "2af715fe259330e5989b13023c57e6dffce1afe7e1b378aed325bf632852917f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af715fe259330e5989b13023c57e6dffce1afe7e1b378aed325bf632852917f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af715fe259330e5989b13023c57e6dffce1afe7e1b378aed325bf632852917f", kill_on_drop: false }`
[INFO] [stdout] 2af715fe259330e5989b13023c57e6dffce1afe7e1b378aed325bf632852917f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72af788247b37b10a2f11f7c6795f712842cc516cea108ac38396a211113ff36
[INFO] running `Command { std: "docker" "start" "-a" "72af788247b37b10a2f11f7c6795f712842cc516cea108ac38396a211113ff36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking generic-array v0.14.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling beef v0.5.1
[INFO] [stderr]    Compiling serde_json v1.0.70
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking path-dedot v3.0.14
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking byte-unit v4.0.13
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking path-absolutize v3.0.11
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking fs_extra v1.2.0
[INFO] [stderr]     Checking tinytest v0.1.1
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling logos-derive v0.12.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling enum_dispatch v0.3.7
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking logos v0.12.0
[INFO] [stderr]     Checking voila v3.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stdout] error[E0432]: unresolved import `std::lazy`
[INFO] [stdout]  --> src/interpreter/cache.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::lazy::OnceCell;
[INFO] [stdout]   |          ^^^^ could not find `lazy` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `format_args_capture` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(format_args_capture)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `once_cell` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(once_cell)]
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `voila` (lib) due to 1 previous error; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "72af788247b37b10a2f11f7c6795f712842cc516cea108ac38396a211113ff36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72af788247b37b10a2f11f7c6795f712842cc516cea108ac38396a211113ff36", kill_on_drop: false }`
[INFO] [stdout] 72af788247b37b10a2f11f7c6795f712842cc516cea108ac38396a211113ff36