[INFO] fetching crate i3-back 0.3.2...
[INFO] checking i3-back-0.3.2 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate i3-back 0.3.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate i3-back 0.3.2 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 i3-back 0.3.2
[INFO] finished tweaking crates.io crate i3-back 0.3.2
[INFO] tweaked toml for crates.io crate i3-back 0.3.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate i3-back 0.3.2 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded i3ipc v0.10.1
[INFO] [stderr]   Downloaded ctrlc v3.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 52a26b5f7d0d8f40bf293a048030c0e22806e3208cb37583750be845b4222d99
[INFO] running `Command { std: "docker" "start" "-a" "52a26b5f7d0d8f40bf293a048030c0e22806e3208cb37583750be845b4222d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a26b5f7d0d8f40bf293a048030c0e22806e3208cb37583750be845b4222d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a26b5f7d0d8f40bf293a048030c0e22806e3208cb37583750be845b4222d99", kill_on_drop: false }`
[INFO] [stdout] 52a26b5f7d0d8f40bf293a048030c0e22806e3208cb37583750be845b4222d99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0be2382698883005feee1b47d1d5f7c98b3a7525f7683058c35201b1f9f6858f
[INFO] running `Command { std: "docker" "start" "-a" "0be2382698883005feee1b47d1d5f7c98b3a7525f7683058c35201b1f9f6858f", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking anyhow v1.0.69
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[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 clap_lex v0.3.2
[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" "0be2382698883005feee1b47d1d5f7c98b3a7525f7683058c35201b1f9f6858f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0be2382698883005feee1b47d1d5f7c98b3a7525f7683058c35201b1f9f6858f", kill_on_drop: false }`
[INFO] [stdout] 0be2382698883005feee1b47d1d5f7c98b3a7525f7683058c35201b1f9f6858f
[INFO] checking i3-back-0.3.2 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate i3-back 0.3.2 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate i3-back 0.3.2 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 i3-back 0.3.2
[INFO] finished tweaking crates.io crate i3-back 0.3.2
[INFO] tweaked toml for crates.io crate i3-back 0.3.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate i3-back 0.3.2 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 805c54152566b2fad396b5bcde2bdb83a7d05b49fbffa9d42b81475bc6edef74
[INFO] running `Command { std: "docker" "start" "-a" "805c54152566b2fad396b5bcde2bdb83a7d05b49fbffa9d42b81475bc6edef74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "805c54152566b2fad396b5bcde2bdb83a7d05b49fbffa9d42b81475bc6edef74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805c54152566b2fad396b5bcde2bdb83a7d05b49fbffa9d42b81475bc6edef74", kill_on_drop: false }`
[INFO] [stdout] 805c54152566b2fad396b5bcde2bdb83a7d05b49fbffa9d42b81475bc6edef74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f5e2a12c110af00b72f78ac4682a081b8e916f04a5b44d6518a80521d2c73ea0
[INFO] running `Command { std: "docker" "start" "-a" "f5e2a12c110af00b72f78ac4682a081b8e916f04a5b44d6518a80521d2c73ea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.5
[INFO] [stderr]    Compiling rustix v0.36.8
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]     Checking linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]     Checking itoa v1.0.5
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking ryu v1.0.12
[INFO] [stderr]     Checking os_str_bytes v6.4.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking log v0.4.17
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking anyhow v1.0.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]     Checking nix v0.26.2
[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 clap_lex v0.3.2
[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" "f5e2a12c110af00b72f78ac4682a081b8e916f04a5b44d6518a80521d2c73ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e2a12c110af00b72f78ac4682a081b8e916f04a5b44d6518a80521d2c73ea0", kill_on_drop: false }`
[INFO] [stdout] f5e2a12c110af00b72f78ac4682a081b8e916f04a5b44d6518a80521d2c73ea0
