[INFO] fetching crate meshanina 0.4.2...
[INFO] checking meshanina-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate meshanina 0.4.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate meshanina 0.4.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate meshanina 0.4.2
[INFO] finished tweaking crates.io crate meshanina 0.4.2
[INFO] tweaked toml for crates.io crate meshanina 0.4.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate meshanina 0.4.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zeroize v1.5.5
[INFO] [stderr]   Downloaded unicode-ident v1.0.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.8
[INFO] [stderr]   Downloaded argh_derive v0.1.9
[INFO] [stderr]   Downloaded argh_shared v0.1.9
[INFO] [stderr]   Downloaded anyhow v1.0.65
[INFO] [stderr]   Downloaded argh v0.1.9
[INFO] [stderr]   Downloaded blake3 v1.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded libc v0.2.126
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] [stderr]   Downloaded serde_json v1.0.81
[INFO] [stderr]   Downloaded pin-project v1.0.11
[INFO] [stderr]   Downloaded flume v0.10.13
[INFO] [stderr]   Downloaded bumpalo v3.10.0
[INFO] [stderr]   Downloaded syn v1.0.96
[INFO] [stderr]   Downloaded block-buffer v0.10.2
[INFO] [stderr]   Downloaded crc v2.1.0
[INFO] [stderr]   Downloaded semver v1.0.9
[INFO] [stderr]   Downloaded serde_derive v1.0.137
[INFO] [stderr]   Downloaded ryu v1.0.10
[INFO] [stderr]   Downloaded dashmap v5.3.4
[INFO] [stderr]   Downloaded ethnum v1.2.1
[INFO] [stderr]   Downloaded nanorand v0.7.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.11
[INFO] [stderr]   Downloaded spin v0.9.3
[INFO] [stderr]   Downloaded lz4_flex v0.9.5
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded once_cell v1.12.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.39
[INFO] [stderr]   Downloaded crossbeam-channel v0.5.4
[INFO] [stderr]   Downloaded generic-array v0.14.5
[INFO] [stderr]   Downloaded crypto-common v0.1.3
[INFO] [stderr]   Downloaded digest v0.10.3
[INFO] [stderr]   Downloaded crc-catalog v1.1.1
[INFO] [stderr]   Downloaded itoa v1.0.2
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.8
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9a86d41a5cce6699a7535fd422fe3fd7353d1afbe6b91507b62bad28cd1755e
[INFO] running `Command { std: "docker" "start" "-a" "e9a86d41a5cce6699a7535fd422fe3fd7353d1afbe6b91507b62bad28cd1755e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9a86d41a5cce6699a7535fd422fe3fd7353d1afbe6b91507b62bad28cd1755e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a86d41a5cce6699a7535fd422fe3fd7353d1afbe6b91507b62bad28cd1755e", kill_on_drop: false }`
[INFO] [stdout] e9a86d41a5cce6699a7535fd422fe3fd7353d1afbe6b91507b62bad28cd1755e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d74e4d306d9d3a147049948fa2b2c91ed68eb45e81135d4ef1507dd25fe1ce5e
[INFO] running `Command { std: "docker" "start" "-a" "d74e4d306d9d3a147049948fa2b2c91ed68eb45e81135d4ef1507dd25fe1ce5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.96
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling semver v1.0.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking lock_api v0.4.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling blake3 v1.3.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling anyhow v1.0.65
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking spin v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling parking_lot_core v0.9.3
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking lz4_flex v0.9.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]    Compiling argh_shared v0.1.9
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]     Checking zeroize v1.5.5
[INFO] [stderr]     Checking ethnum v1.2.1
[INFO] [stderr]     Checking siphasher v0.3.10
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking criterion-plot v0.4.4
[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 regex v1.5.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking dashmap v5.3.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.11
[INFO] [stderr]    Compiling argh_derive v0.1.9
[INFO] [stderr]     Checking argh v0.1.9
[INFO] [stderr]     Checking pin-project v1.0.11
[INFO] [stderr]     Checking flume v0.10.13
[INFO] [stderr]     Checking meshanina v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.01s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "d74e4d306d9d3a147049948fa2b2c91ed68eb45e81135d4ef1507dd25fe1ce5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d74e4d306d9d3a147049948fa2b2c91ed68eb45e81135d4ef1507dd25fe1ce5e", kill_on_drop: false }`
[INFO] [stdout] d74e4d306d9d3a147049948fa2b2c91ed68eb45e81135d4ef1507dd25fe1ce5e