[INFO] fetching crate dext 0.1.3...
[INFO] checking dext-0.1.3 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate dext 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate dext 0.1.3 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dext 0.1.3
[INFO] finished tweaking crates.io crate dext 0.1.3
[INFO] tweaked toml for crates.io crate dext 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate dext 0.1.3 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" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded env_logger v0.9.1
[INFO] [stderr]   Downloaded bollard-stubs v1.42.0-rc.3
[INFO] [stderr]   Downloaded bollard v0.13.0
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41165f565a64ded095c9f0cd144d718ba97a985b8ed2f38cedef9c6af51416ec
[INFO] running `Command { std: "docker" "start" "-a" "41165f565a64ded095c9f0cd144d718ba97a985b8ed2f38cedef9c6af51416ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41165f565a64ded095c9f0cd144d718ba97a985b8ed2f38cedef9c6af51416ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41165f565a64ded095c9f0cd144d718ba97a985b8ed2f38cedef9c6af51416ec", kill_on_drop: false }`
[INFO] [stdout] 41165f565a64ded095c9f0cd144d718ba97a985b8ed2f38cedef9c6af51416ec
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcd835554c1c685e2854142adec1a66746ce2ff8e7b89778cbc7b2d27e4efbb3
[INFO] running `Command { std: "docker" "start" "-a" "bcd835554c1c685e2854142adec1a66746ce2ff8e7b89778cbc7b2d27e4efbb3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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]    Compiling heck v0.3.3
[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" "bcd835554c1c685e2854142adec1a66746ce2ff8e7b89778cbc7b2d27e4efbb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcd835554c1c685e2854142adec1a66746ce2ff8e7b89778cbc7b2d27e4efbb3", kill_on_drop: false }`
[INFO] [stdout] bcd835554c1c685e2854142adec1a66746ce2ff8e7b89778cbc7b2d27e4efbb3
[INFO] checking dext-0.1.3 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate dext 0.1.3 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate dext 0.1.3 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dext 0.1.3
[INFO] finished tweaking crates.io crate dext 0.1.3
[INFO] tweaked toml for crates.io crate dext 0.1.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate dext 0.1.3 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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4c31b9c0763fc91ab186e895fbb1e6a581f33ecc5075e8f86682a21ee991b67
[INFO] running `Command { std: "docker" "start" "-a" "c4c31b9c0763fc91ab186e895fbb1e6a581f33ecc5075e8f86682a21ee991b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4c31b9c0763fc91ab186e895fbb1e6a581f33ecc5075e8f86682a21ee991b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c31b9c0763fc91ab186e895fbb1e6a581f33ecc5075e8f86682a21ee991b67", kill_on_drop: false }`
[INFO] [stdout] c4c31b9c0763fc91ab186e895fbb1e6a581f33ecc5075e8f86682a21ee991b67
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 194a51eeb14f7a3037e328db365b44b3437c811e4985c8935c204547d4d5e5e7
[INFO] running `Command { std: "docker" "start" "-a" "194a51eeb14f7a3037e328db365b44b3437c811e4985c8935c204547d4d5e5e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking tracing-core v0.1.30
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling httparse v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]     Checking futures-sink v0.3.25
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking tower-service v0.3.2
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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] [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" "194a51eeb14f7a3037e328db365b44b3437c811e4985c8935c204547d4d5e5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "194a51eeb14f7a3037e328db365b44b3437c811e4985c8935c204547d4d5e5e7", kill_on_drop: false }`
[INFO] [stdout] 194a51eeb14f7a3037e328db365b44b3437c811e4985c8935c204547d4d5e5e7
