[INFO] fetching crate fastleng 0.2.0...
[INFO] testing fastleng-0.2.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate fastleng 0.2.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate fastleng 0.2.0
[INFO] finished tweaking crates.io crate fastleng 0.2.0
[INFO] tweaked toml for crates.io crate fastleng 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fastleng 0.2.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fastleng 0.2.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b8c4d4c582f3f1ad11e40513ad84609c9d0a9ff85f772a54ce4e87b3ab7fcc3
[INFO] running `Command { std: "docker" "start" "-a" "5b8c4d4c582f3f1ad11e40513ad84609c9d0a9ff85f772a54ce4e87b3ab7fcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b8c4d4c582f3f1ad11e40513ad84609c9d0a9ff85f772a54ce4e87b3ab7fcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b8c4d4c582f3f1ad11e40513ad84609c9d0a9ff85f772a54ce4e87b3ab7fcc3", kill_on_drop: false }`
[INFO] [stdout] 5b8c4d4c582f3f1ad11e40513ad84609c9d0a9ff85f772a54ce4e87b3ab7fcc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 975cc147ac693dd635474cfc3966c1e2b3d3dbdf98480ad1acb27da39191315e
[INFO] running `Command { std: "docker" "start" "-a" "975cc147ac693dd635474cfc3966c1e2b3d3dbdf98480ad1acb27da39191315e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustversion v1.0.12
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling thiserror v1.0.40
[INFO] [stderr]    Compiling glob v0.3.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling fs-utils v1.1.4
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bytecount v0.6.3
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/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 ieee754 v0.2.6
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling cmake v0.1.50
[INFO] [stderr]    Compiling regex v1.7.3
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling hts-sys v2.0.3
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "975cc147ac693dd635474cfc3966c1e2b3d3dbdf98480ad1acb27da39191315e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "975cc147ac693dd635474cfc3966c1e2b3d3dbdf98480ad1acb27da39191315e", kill_on_drop: false }`
[INFO] [stdout] 975cc147ac693dd635474cfc3966c1e2b3d3dbdf98480ad1acb27da39191315e
