[INFO] fetching crate errjson 0.0.6...
[INFO] checking errjson-0.0.6 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate errjson 0.0.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate errjson 0.0.6 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errjson 0.0.6
[INFO] finished tweaking crates.io crate errjson 0.0.6
[INFO] tweaked toml for crates.io crate errjson 0.0.6 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate errjson 0.0.6 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded function_name v0.3.0
[INFO] [stderr]   Downloaded function_name-proc-macro v0.3.0
[INFO] [stderr]   Downloaded jsonerr v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 69ea56d963ba50396406e97ff3c76a53c44c3407e43817d3aa064503a2f1ed7f
[INFO] running `Command { std: "docker" "start" "-a" "69ea56d963ba50396406e97ff3c76a53c44c3407e43817d3aa064503a2f1ed7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "69ea56d963ba50396406e97ff3c76a53c44c3407e43817d3aa064503a2f1ed7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69ea56d963ba50396406e97ff3c76a53c44c3407e43817d3aa064503a2f1ed7f", kill_on_drop: false }`
[INFO] [stdout] 69ea56d963ba50396406e97ff3c76a53c44c3407e43817d3aa064503a2f1ed7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 416a38e3ae36ee4c9e95a7c8b79cfd0b142337e615ff62ef398acce5a4e32fdc
[INFO] running `Command { std: "docker" "start" "-a" "416a38e3ae36ee4c9e95a7c8b79cfd0b142337e615ff62ef398acce5a4e32fdc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.59/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] running `Command { std: "docker" "inspect" "416a38e3ae36ee4c9e95a7c8b79cfd0b142337e615ff62ef398acce5a4e32fdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416a38e3ae36ee4c9e95a7c8b79cfd0b142337e615ff62ef398acce5a4e32fdc", kill_on_drop: false }`
[INFO] [stdout] 416a38e3ae36ee4c9e95a7c8b79cfd0b142337e615ff62ef398acce5a4e32fdc
[INFO] checking errjson-0.0.6 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate errjson 0.0.6 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate errjson 0.0.6 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errjson 0.0.6
[INFO] finished tweaking crates.io crate errjson 0.0.6
[INFO] tweaked toml for crates.io crate errjson 0.0.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate errjson 0.0.6 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4995028e993aa1e6d6b9e34a36e72a13f6e3c62c5e4c4a465b10fb3154f4a6e
[INFO] running `Command { std: "docker" "start" "-a" "c4995028e993aa1e6d6b9e34a36e72a13f6e3c62c5e4c4a465b10fb3154f4a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4995028e993aa1e6d6b9e34a36e72a13f6e3c62c5e4c4a465b10fb3154f4a6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4995028e993aa1e6d6b9e34a36e72a13f6e3c62c5e4c4a465b10fb3154f4a6e", kill_on_drop: false }`
[INFO] [stdout] c4995028e993aa1e6d6b9e34a36e72a13f6e3c62c5e4c4a465b10fb3154f4a6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1188fa1092e8f9cb5764cdc1de76ca6ebdc27ac93d1c7047cb0edd7854410ab
[INFO] running `Command { std: "docker" "start" "-a" "a1188fa1092e8f9cb5764cdc1de76ca6ebdc27ac93d1c7047cb0edd7854410ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.59
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling serde v1.0.163
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]    Compiling function_name-proc-macro v0.3.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.3.0
[INFO] [stderr]     Checking function_name v0.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.59/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] running `Command { std: "docker" "inspect" "a1188fa1092e8f9cb5764cdc1de76ca6ebdc27ac93d1c7047cb0edd7854410ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1188fa1092e8f9cb5764cdc1de76ca6ebdc27ac93d1c7047cb0edd7854410ab", kill_on_drop: false }`
[INFO] [stdout] a1188fa1092e8f9cb5764cdc1de76ca6ebdc27ac93d1c7047cb0edd7854410ab
