[INFO] fetching crate readmerger 0.1.0-alpha...
[INFO] checking readmerger-0.1.0-alpha against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate readmerger 0.1.0-alpha into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate readmerger 0.1.0-alpha 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 readmerger 0.1.0-alpha
[INFO] finished tweaking crates.io crate readmerger 0.1.0-alpha
[INFO] tweaked toml for crates.io crate readmerger 0.1.0-alpha written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate readmerger 0.1.0-alpha 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.25.2
[INFO] [stderr]   Downloaded enum-map-derive v0.6.0
[INFO] [stderr]   Downloaded itertools-num v0.1.3
[INFO] [stderr]   Downloaded wide v0.7.12
[INFO] [stderr]   Downloaded async-compression v0.4.4
[INFO] [stderr]   Downloaded bio-types v1.0.1
[INFO] [stderr]   Downloaded bio v1.4.0
[INFO] [stderr]   Downloaded regex-syntax v0.8.1
[INFO] [stderr]   Downloaded bytecount v0.6.4
[INFO] [stderr]   Downloaded editdistancek v1.0.2
[INFO] [stderr]   Downloaded enum-map v1.1.1
[INFO] [stderr]   Downloaded triple_accel v0.4.0
[INFO] [stderr]   Downloaded buffer-redux v1.0.0
[INFO] [stderr]   Downloaded seq_io v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 105a571996079b4ef177b71bef71bb359ec2817ddf022e4f43d314cb96509549
[INFO] running `Command { std: "docker" "start" "-a" "105a571996079b4ef177b71bef71bb359ec2817ddf022e4f43d314cb96509549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "105a571996079b4ef177b71bef71bb359ec2817ddf022e4f43d314cb96509549", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105a571996079b4ef177b71bef71bb359ec2817ddf022e4f43d314cb96509549", kill_on_drop: false }`
[INFO] [stdout] 105a571996079b4ef177b71bef71bb359ec2817ddf022e4f43d314cb96509549
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 50e4a2e78fad453ed696485e594b13582db2d9660225820e0ba7173b19d71ba4
[INFO] running `Command { std: "docker" "start" "-a" "50e4a2e78fad453ed696485e594b13582db2d9660225820e0ba7173b19d71ba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking bytemuck v1.14.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]     Checking safe_arch v0.7.1
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.8.1
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling feature-probe v0.1.1
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking aho-corasick v1.1.2
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[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking wide v0.7.12
[INFO] [stderr]     Checking anstyle-parse v0.2.2
[INFO] [stderr]    Compiling bv v0.11.1
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]     Checking hashbrown v0.14.1
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[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
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[INFO] [stderr]     Checking anstyle-query v1.0.0
[INFO] [stderr]     Checking anstyle v1.0.4
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking anstream v0.6.4
[INFO] [stderr]    Compiling jobserver v0.1.27
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking either v1.9.0
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[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking itoa v1.0.9
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[INFO] [stderr]     Checking clap_builder v4.4.6
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking itertools-num v0.1.3
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking ordered-float v3.9.2
[INFO] [stderr]     Checking itertools v0.11.0
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[INFO] [stderr]     Checking parking_lot v0.12.1
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[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking triple_accel v0.4.0
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking rand_distr v0.4.3
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[INFO] [stderr]     Checking custom_derive v0.1.7
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[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking editdistancek v1.0.2
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking async-compression v0.4.4
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]    Compiling zstd-sys v2.0.9+zstd.1.5.5
[INFO] [stderr]     Checking regex-automata v0.4.1
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.189
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]    Compiling strum_macros v0.25.2
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling clap_derive v4.4.2
[INFO] [stderr]     Checking regex v1.10.0
[INFO] [stderr]     Checking enum-map v1.1.1
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking bio-types v1.0.1
[INFO] [stderr]     Checking clap v4.4.6
[INFO] [stderr]     Checking zstd v0.13.0
[INFO] [stderr]     Checking nalgebra v0.29.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking seq_io v0.3.2
[INFO] [stderr]     Checking statrs v0.16.0
[INFO] [stderr]     Checking bio v1.4.0
[INFO] [stderr]     Checking readmerger v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.94s
[INFO] running `Command { std: "docker" "inspect" "50e4a2e78fad453ed696485e594b13582db2d9660225820e0ba7173b19d71ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50e4a2e78fad453ed696485e594b13582db2d9660225820e0ba7173b19d71ba4", kill_on_drop: false }`
[INFO] [stdout] 50e4a2e78fad453ed696485e594b13582db2d9660225820e0ba7173b19d71ba4