[INFO] fetching crate flpak 0.5.2...
[INFO] checking flpak-0.5.2 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate flpak 0.5.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate flpak 0.5.2 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flpak 0.5.2
[INFO] finished tweaking crates.io crate flpak 0.5.2
[INFO] tweaked toml for crates.io crate flpak 0.5.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate flpak 0.5.2 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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded semver v1.0.16
[INFO] [stderr]   Downloaded futures-executor v0.3.26
[INFO] [stderr]   Downloaded rstest v0.16.0
[INFO] [stderr]   Downloaded futures-macro v0.3.26
[INFO] [stderr]   Downloaded futures v0.3.26
[INFO] [stderr]   Downloaded libflate v1.3.0
[INFO] [stderr]   Downloaded serde v1.0.154
[INFO] [stderr]   Downloaded futures-io v0.3.26
[INFO] [stderr]   Downloaded serde_derive v1.0.154
[INFO] [stderr]   Downloaded zstd-sys v2.0.7+zstd.1.5.4
[INFO] [stderr]   Downloaded rstest_macros v0.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a26425f998c2a965a679ba83479ce7faebb0271cd38b5515551c710e8ba6259a
[INFO] running `Command { std: "docker" "start" "-a" "a26425f998c2a965a679ba83479ce7faebb0271cd38b5515551c710e8ba6259a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a26425f998c2a965a679ba83479ce7faebb0271cd38b5515551c710e8ba6259a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a26425f998c2a965a679ba83479ce7faebb0271cd38b5515551c710e8ba6259a", kill_on_drop: false }`
[INFO] [stdout] a26425f998c2a965a679ba83479ce7faebb0271cd38b5515551c710e8ba6259a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fb3be8d8fc560bb763be4c9f592b623de5b65326ed29a772c28e95276be2044
[INFO] running `Command { std: "docker" "start" "-a" "2fb3be8d8fc560bb763be4c9f592b623de5b65326ed29a772c28e95276be2044", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 semver v1.0.16
[INFO] [stderr]     Checking cpufeatures v0.2.5
[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" "2fb3be8d8fc560bb763be4c9f592b623de5b65326ed29a772c28e95276be2044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fb3be8d8fc560bb763be4c9f592b623de5b65326ed29a772c28e95276be2044", kill_on_drop: false }`
[INFO] [stdout] 2fb3be8d8fc560bb763be4c9f592b623de5b65326ed29a772c28e95276be2044
[INFO] checking flpak-0.5.2 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate flpak 0.5.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate flpak 0.5.2 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flpak 0.5.2
[INFO] finished tweaking crates.io crate flpak 0.5.2
[INFO] tweaked toml for crates.io crate flpak 0.5.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate flpak 0.5.2 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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6658f48d03765c11cab3a86c2f2782592c62e0f6827f49c18600dbcf1d7ab40
[INFO] running `Command { std: "docker" "start" "-a" "f6658f48d03765c11cab3a86c2f2782592c62e0f6827f49c18600dbcf1d7ab40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6658f48d03765c11cab3a86c2f2782592c62e0f6827f49c18600dbcf1d7ab40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6658f48d03765c11cab3a86c2f2782592c62e0f6827f49c18600dbcf1d7ab40", kill_on_drop: false }`
[INFO] [stdout] f6658f48d03765c11cab3a86c2f2782592c62e0f6827f49c18600dbcf1d7ab40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e13786acb54c65800506e42a3e1d74c8f0360ddaad464d1519bc9f68c01647db
[INFO] running `Command { std: "docker" "start" "-a" "e13786acb54c65800506e42a3e1d74c8f0360ddaad464d1519bc9f68c01647db", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.140
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling io-lifetimes v1.0.6
[INFO] [stderr]    Compiling semver v1.0.16
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/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 cpufeatures v0.2.5
[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]    Compiling futures-core v0.3.26
[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" "e13786acb54c65800506e42a3e1d74c8f0360ddaad464d1519bc9f68c01647db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e13786acb54c65800506e42a3e1d74c8f0360ddaad464d1519bc9f68c01647db", kill_on_drop: false }`
[INFO] [stdout] e13786acb54c65800506e42a3e1d74c8f0360ddaad464d1519bc9f68c01647db
