[INFO] cloning repository https://github.com/radicle-dev/radicle-bins
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/radicle-dev/radicle-bins" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Fradicle-bins", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Fradicle-bins'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f589895fba4c646210f01c0aca8bbf1cf445311
[INFO] checking radicle-dev/radicle-bins/7f589895fba4c646210f01c0aca8bbf1cf445311 against master#b2728d5426bab1d8c39709768c7e22b7f66dde5d for pr-135852
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fradicle-dev%2Fradicle-bins" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/radicle-dev/radicle-bins on toolchain b2728d5426bab1d8c39709768c7e22b7f66dde5d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/radicle-dev/radicle-bins
[INFO] finished tweaking git repo https://github.com/radicle-dev/radicle-bins
[INFO] tweaked toml for git repo https://github.com/radicle-dev/radicle-bins written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/radicle-dev/radicle-bins 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" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/radicle-dev/git2-rs.git`
[INFO] [stderr]     Updating git submodule `https://github.com/radicle-dev/libgit2.git`
[INFO] [stderr]     Updating git repository `https://github.com/radicle-dev/radicle-link`
[INFO] [stderr]     Updating git repository `https://github.com/radicle-dev/radicle-avatar`
[INFO] [stderr]     Updating git repository `https://github.com/FintanH/thrussh.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/radicle-dev/tracing-stackdriver.git`
[INFO] [stderr]     Updating git repository `https://github.com/ZcashFoundation/ed25519-zebra`
[INFO] [stderr]     Updating git repository `https://github.com/radicle-dev/radicle-keystore`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding git-trailers v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding librad v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding link-canonical v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding link-crypto v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding link-git-protocol v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding link-identities v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding radicle-data v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding radicle-git-ext v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding radicle-macros v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding radicle-seed v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]       Adding radicle-std-ext v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.4.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d324c5335e35265bdcbcd897f403163a4de02459855034ed5924eac65960c399
[INFO] running `Command { std: "docker" "start" "-a" "d324c5335e35265bdcbcd897f403163a4de02459855034ed5924eac65960c399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d324c5335e35265bdcbcd897f403163a4de02459855034ed5924eac65960c399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d324c5335e35265bdcbcd897f403163a4de02459855034ed5924eac65960c399", kill_on_drop: false }`
[INFO] [stdout] d324c5335e35265bdcbcd897f403163a4de02459855034ed5924eac65960c399
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+b2728d5426bab1d8c39709768c7e22b7f66dde5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e09560f658e784e395c7999e9e8d24e2299bf41e76e38dd48225e256e172794
[INFO] running `Command { std: "docker" "start" "-a" "4e09560f658e784e395c7999e9e8d24e2299bf41e76e38dd48225e256e172794", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking quick-error v2.0.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling nom v7.0.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking minimal-lexical v0.1.4
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[INFO] [stderr]     Checking block-padding v0.2.1
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[INFO] [stderr]     Checking smallvec v1.7.0
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[INFO] [stderr]     Checking parking v2.0.0
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[INFO] [stderr]     Checking crossbeam-channel v0.5.1
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[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling typenum v1.14.0
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[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
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[INFO] [stderr]    Compiling matches v0.1.9
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[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking socket2 v0.4.2
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[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]    Compiling constant_time_eq v0.1.5
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[INFO] [stderr]    Compiling cpufeatures v0.2.1
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[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling unicode-bidi v0.3.6
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]     Checking rand v0.8.4
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[INFO] [stderr]     Checking dirs-sys v0.3.6
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[INFO] [stderr]    Compiling lexical-core v0.7.6
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[INFO] [stderr]    Compiling unsigned-varint v0.5.1
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[INFO] [stderr]     Checking radicle-std-ext v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking git-lock v1.0.0
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[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.21+1.1.0 (https://github.com/radicle-dev/git2-rs.git?rev=ae027b9e7b125f56397bbb7d8652b3427deeede6#ae027b9e)
[INFO] [stderr]    Compiling ring v0.16.20
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[INFO] [stderr]    Compiling num-integer v0.1.44
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[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.16
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling minicbor-derive v0.6.4
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling maybe-async v0.2.6
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
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[INFO] [stderr]    Compiling async-stream-impl v0.3.2
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[INFO] [stderr]     Checking multibase v0.9.1
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[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking tracing v0.1.28
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking thrussh-encoding v0.1.0 (https://github.com/FintanH/thrussh.git?branch=generic-agent#fb6e2a52)
[INFO] [stderr]     Checking git-trailers v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking minicbor v0.9.1
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking rustls v0.19.1
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[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]     Checking quinn-proto v0.7.3
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking thrussh-agent v0.1.0 (https://github.com/FintanH/thrussh.git?branch=generic-agent#fb6e2a52)
[INFO] [stderr]     Checking governor v0.3.2
[INFO] [stderr]     Checking futures_codec v0.4.1
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[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking quinn v0.7.2
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking either v1.6.1
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[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking oid v0.2.1
[INFO] [stderr]     Checking radicle-data v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking digest v0.9.0
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[INFO] [stderr]     Checking curve25519-dalek v3.2.0
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[INFO] [stderr]     Checking multihash v0.11.4
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[INFO] [stderr]     Checking radicle-avatar v0.1.0 (https://github.com/radicle-dev/radicle-avatar?branch=main#28033ef5)
[INFO] [stderr]     Checking ed25519-zebra v2.2.0 (https://github.com/ZcashFoundation/ed25519-zebra?rev=0e7a96a267a756e642e102a28a44dd79b9c7df69#0e7a96a2)
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[INFO] [stderr]     Checking picky-asn1-der v0.2.5
[INFO] [stderr]     Checking link-canonical v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking tracing-subscriber v0.2.24
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[INFO] [stderr]     Checking git-actor v0.5.2
[INFO] [stderr]     Checking git-transport v0.11.1
[INFO] [stderr]    Compiling git2 v0.13.20 (https://github.com/radicle-dev/git2-rs.git?rev=ae027b9e7b125f56397bbb7d8652b3427deeede6#ae027b9e)
[INFO] [stderr]     Checking git-object v0.14.0
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[INFO] [stderr]     Checking radicle-git-ext v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking git-odb v0.21.3
[INFO] [stderr]     Checking link-crypto v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking git-repository v0.9.1
[INFO] [stderr]    Compiling radicle-macros v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking link-identities v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking link-git-protocol v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stderr]     Checking warp v0.3.1
[INFO] [stderr]     Checking librad v0.1.0 (https://github.com/radicle-dev/radicle-link?rev=dcddbed934df5342460f658d1bb3a1d7a7a40af2#dcddbed9)
[INFO] [stdout] error[E0635]: unknown feature `drain_filter`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/radicle-link-7192cd2462b68564/dcddbed/librad/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(drain_filter)]
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `btree_drain_filter`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/radicle-link-7192cd2462b68564/dcddbed/librad/src/lib.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(btree_drain_filter)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `librad` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "4e09560f658e784e395c7999e9e8d24e2299bf41e76e38dd48225e256e172794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e09560f658e784e395c7999e9e8d24e2299bf41e76e38dd48225e256e172794", kill_on_drop: false }`
[INFO] [stdout] 4e09560f658e784e395c7999e9e8d24e2299bf41e76e38dd48225e256e172794