[INFO] fetching crate nest 1.0.0...
[INFO] checking nest-1.0.0 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate nest 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate nest 1.0.0
[INFO] finished tweaking crates.io crate nest 1.0.0
[INFO] tweaked toml for crates.io crate nest 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nest 1.0.0 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 139 packages to latest compatible versions
[INFO] [stderr]       Adding assert_fs v0.11.3 (available: v1.1.3)
[INFO] [stderr]       Adding atomicwrites v0.2.5 (available: v0.4.4)
[INFO] [stderr]       Adding env_logger v0.6.2 (available: v0.11.10)
[INFO] [stderr]       Adding indexmap v1.9.3 (available: v2.14.0)
[INFO] [stderr]       Adding mkdirp v0.1.0 (available: v1.0.0)
[INFO] [stderr]       Adding objekt v0.1.2 (available: v0.2.0)
[INFO] [stderr]       Adding serde-hjson v0.9.1 (available: v1.1.0)
[INFO] [stderr]       Adding serde_yaml v0.8.26 (available: v0.9.34+deprecated)
[INFO] [stderr]       Adding snafu v0.2.3 (available: v0.9.0)
[INFO] [stderr]       Adding toml v0.5.11 (available: v1.1.2+spec-1.1.0)
[INFO] [stderr]       Adding version-sync v0.8.1 (available: v0.9.5)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e268a36a34e3994cab91cfd49268ed1a3f77a27d1235a2989e9cbf3922afeeb
[INFO] running `Command { std: "docker" "start" "-a" "3e268a36a34e3994cab91cfd49268ed1a3f77a27d1235a2989e9cbf3922afeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e268a36a34e3994cab91cfd49268ed1a3f77a27d1235a2989e9cbf3922afeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e268a36a34e3994cab91cfd49268ed1a3f77a27d1235a2989e9cbf3922afeeb", kill_on_drop: false }`
[INFO] [stdout] 3e268a36a34e3994cab91cfd49268ed1a3f77a27d1235a2989e9cbf3922afeeb
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2084c14cd7be848aa4fd1b02310d5d29ccc456705805e55cdc498d20581e136
[INFO] running `Command { std: "docker" "start" "-a" "a2084c14cd7be848aa4fd1b02310d5d29ccc456705805e55cdc498d20581e136", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]     Checking predicates-core v1.0.10
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking getrandom v0.4.2
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/src/wrapper.rs:484:33
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 484 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 484 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/src/wrapper.rs:501:33
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 501 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 501 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/src/wrapper.rs:484:33
[INFO] [stdout]     |
[INFO] [stdout] 484 |                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 484 -                 let proc_macro::LineColumn { line, column } = s.start();
[INFO] [stdout] 484 +                 let LineColumn { line, column } = s.start();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `LineColumn` in crate `proc_macro`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-0.4.30/src/wrapper.rs:501:33
[INFO] [stdout]     |
[INFO] [stdout] 501 |                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout]     |                                 ^^^^^^^^^^ not found in `proc_macro`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing one of these structs
[INFO] [stdout]     |
[INFO] [stdout]   1 + use LineColumn;
[INFO] [stdout]     |
[INFO] [stdout]   1 + use fallback::LineColumn;
[INFO] [stdout]     |
[INFO] [stdout] help: if you import `LineColumn`, refer to it directly
[INFO] [stdout]     |
[INFO] [stdout] 501 -                 let proc_macro::LineColumn { line, column } = s.end();
[INFO] [stdout] 501 +                 let LineColumn { line, column } = s.end();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]     Checking fastrand v2.4.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking predicates-tree v1.0.13
[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] [stdout] For more information about this error, try `rustc --explain E0422`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "a2084c14cd7be848aa4fd1b02310d5d29ccc456705805e55cdc498d20581e136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2084c14cd7be848aa4fd1b02310d5d29ccc456705805e55cdc498d20581e136", kill_on_drop: false }`
[INFO] [stdout] a2084c14cd7be848aa4fd1b02310d5d29ccc456705805e55cdc498d20581e136
