[INFO] fetching crate identicon-rs 4.0.1...
[INFO] checking identicon-rs-4.0.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate identicon-rs 4.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate identicon-rs 4.0.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate identicon-rs 4.0.1
[INFO] finished tweaking crates.io crate identicon-rs 4.0.1
[INFO] tweaked toml for crates.io crate identicon-rs 4.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate identicon-rs 4.0.1 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded half v2.2.0
[INFO] [stderr]   Downloaded actix-codec v0.5.0
[INFO] [stderr]   Downloaded local-channel v0.1.3
[INFO] [stderr]   Downloaded local-waker v0.1.3
[INFO] [stderr]   Downloaded version-sync v0.9.4
[INFO] [stderr]   Downloaded actix-server v2.1.1
[INFO] [stderr]   Downloaded paste v1.0.11
[INFO] [stderr]   Downloaded actix-router v0.5.1
[INFO] [stderr]   Downloaded actix-http v3.2.2
[INFO] [stderr]   Downloaded actix-web v4.2.1
[INFO] [stderr]   Downloaded exr v1.5.2
[INFO] [stderr]   Downloaded zstd-sys v2.0.4+zstd.1.5.2
[INFO] [stderr]   Downloaded actix-web-codegen v4.1.0
[INFO] [stderr]   Downloaded bytestring v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1d84abb0a31137052363a819e44958797d1d9f82e143d25397d8ea1ef06e07b
[INFO] running `Command { std: "docker" "start" "-a" "c1d84abb0a31137052363a819e44958797d1d9f82e143d25397d8ea1ef06e07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1d84abb0a31137052363a819e44958797d1d9f82e143d25397d8ea1ef06e07b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1d84abb0a31137052363a819e44958797d1d9f82e143d25397d8ea1ef06e07b", kill_on_drop: false }`
[INFO] [stdout] c1d84abb0a31137052363a819e44958797d1d9f82e143d25397d8ea1ef06e07b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bfbe9dcb57ebc989b3a5c6fe079f17c8a83a4e0bd8641b338a6067c3d72a4b6
[INFO] running `Command { std: "docker" "start" "-a" "1bfbe9dcb57ebc989b3a5c6fe079f17c8a83a4e0bd8641b338a6067c3d72a4b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1bfbe9dcb57ebc989b3a5c6fe079f17c8a83a4e0bd8641b338a6067c3d72a4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bfbe9dcb57ebc989b3a5c6fe079f17c8a83a4e0bd8641b338a6067c3d72a4b6", kill_on_drop: false }`
[INFO] [stdout] 1bfbe9dcb57ebc989b3a5c6fe079f17c8a83a4e0bd8641b338a6067c3d72a4b6
[INFO] checking identicon-rs-4.0.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate identicon-rs 4.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate identicon-rs 4.0.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate identicon-rs 4.0.1
[INFO] finished tweaking crates.io crate identicon-rs 4.0.1
[INFO] tweaked toml for crates.io crate identicon-rs 4.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate identicon-rs 4.0.1 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06bd423c1a1586adbf754c83ee69c817b944d7ff5859a6326d8010e835ff597f
[INFO] running `Command { std: "docker" "start" "-a" "06bd423c1a1586adbf754c83ee69c817b944d7ff5859a6326d8010e835ff597f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06bd423c1a1586adbf754c83ee69c817b944d7ff5859a6326d8010e835ff597f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06bd423c1a1586adbf754c83ee69c817b944d7ff5859a6326d8010e835ff597f", kill_on_drop: false }`
[INFO] [stdout] 06bd423c1a1586adbf754c83ee69c817b944d7ff5859a6326d8010e835ff597f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 541fd2ce18ca34e60ca7c2f8a111e684728416f5f580c4abfddaddb40c6fa95e
[INFO] running `Command { std: "docker" "start" "-a" "541fd2ce18ca34e60ca7c2f8a111e684728416f5f580c4abfddaddb40c6fa95e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking miniz_oxide v0.6.2
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling paste v1.0.11
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
[INFO] [stderr]     Checking local-waker v0.1.3
[INFO] [stderr]     Checking flate2 v1.0.25
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.49/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "541fd2ce18ca34e60ca7c2f8a111e684728416f5f580c4abfddaddb40c6fa95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "541fd2ce18ca34e60ca7c2f8a111e684728416f5f580c4abfddaddb40c6fa95e", kill_on_drop: false }`
[INFO] [stdout] 541fd2ce18ca34e60ca7c2f8a111e684728416f5f580c4abfddaddb40c6fa95e
