[INFO] fetching crate semverver 0.1.48...
[INFO] checking semverver-0.1.48 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate semverver 0.1.48 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate semverver 0.1.48 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/rust-toolchain
[INFO] started tweaking crates.io crate semverver 0.1.48
[INFO] finished tweaking crates.io crate semverver 0.1.48
[INFO] tweaked toml for crates.io crate semverver 0.1.48 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate semverver 0.1.48 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded git2-curl v0.14.1
[INFO] [stderr]   Downloaded bytesize v1.1.0
[INFO] [stderr]   Downloaded globset v0.4.8
[INFO] [stderr]   Downloaded git2 v0.13.23
[INFO] [stderr]   Downloaded libc v0.2.103
[INFO] [stderr]   Downloaded vte_generate_state_changes v0.1.1
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.1
[INFO] [stderr]   Downloaded opener v0.5.0
[INFO] [stderr]   Downloaded cargo-util v0.1.1
[INFO] [stderr]   Downloaded rustfix v0.6.0
[INFO] [stderr]   Downloaded pkg-config v0.3.20
[INFO] [stderr]   Downloaded openssl-sys v0.9.67
[INFO] [stderr]   Downloaded curl v0.4.39
[INFO] [stderr]   Downloaded tar v0.4.37
[INFO] [stderr]   Downloaded anyhow v1.0.44
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded im-rc v15.0.0
[INFO] [stderr]   Downloaded openssl v0.10.36
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.14
[INFO] [stderr]   Downloaded sized-chunks v0.6.5
[INFO] [stderr]   Downloaded vte v0.10.1
[INFO] [stderr]   Downloaded libssh2-sys v0.2.23
[INFO] [stderr]   Downloaded syn v1.0.80
[INFO] [stderr]   Downloaded quickcheck v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.30
[INFO] [stderr]   Downloaded crates-io v0.33.0
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]   Downloaded cargo v0.56.0
[INFO] [stderr]   Downloaded libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]   Downloaded curl-sys v0.4.49+curl-7.79.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a22ab9779bb985ab85ac35888aeca8c63a35addba81940d608b02a356fa866d6
[INFO] running `Command { std: "docker" "start" "-a" "a22ab9779bb985ab85ac35888aeca8c63a35addba81940d608b02a356fa866d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a22ab9779bb985ab85ac35888aeca8c63a35addba81940d608b02a356fa866d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a22ab9779bb985ab85ac35888aeca8c63a35addba81940d608b02a356fa866d6", kill_on_drop: false }`
[INFO] [stdout] a22ab9779bb985ab85ac35888aeca8c63a35addba81940d608b02a356fa866d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 751bfd33cd7d1fab6fbf44675dd14df5f10aeac94d238c42e99f40c946435f6b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "751bfd33cd7d1fab6fbf44675dd14df5f10aeac94d238c42e99f40c946435f6b", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling curl v0.4.39
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]    Compiling semverver v0.1.48 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling im-rc v15.0.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking jobserver v0.1.24
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking opener v0.5.0
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling cargo v0.56.0
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking cargo-util v0.1.1
[INFO] [stderr]     Checking git2 v0.13.23
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking rustfix v0.6.0
[INFO] [stderr]     Checking crates-io v0.33.0
[INFO] [stdout] error[E0463]: can't find crate for `rustc_const_eval`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate rustc_const_eval; // Requires `rustup component add rustc-dev`
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `semverver` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0463]: can't find crate for `rustc_const_eval`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate rustc_const_eval; // Requires `rustup component add rustc-dev`
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe you need to install the missing components with: `rustup component add rust-src rustc-dev llvm-tools-preview`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "751bfd33cd7d1fab6fbf44675dd14df5f10aeac94d238c42e99f40c946435f6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751bfd33cd7d1fab6fbf44675dd14df5f10aeac94d238c42e99f40c946435f6b", kill_on_drop: false }`
[INFO] [stdout] 751bfd33cd7d1fab6fbf44675dd14df5f10aeac94d238c42e99f40c946435f6b