[INFO] fetching crate librarian 0.2.3...
[INFO] checking librarian-0.2.3 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate librarian 0.2.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate librarian 0.2.3 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librarian 0.2.3
[INFO] finished tweaking crates.io crate librarian 0.2.3
[INFO] tweaked toml for crates.io crate librarian 0.2.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cfaa03127341d7ce8da394e8da18d6dbaec57c22d57403b69a17578dc265a38
[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" "7cfaa03127341d7ce8da394e8da18d6dbaec57c22d57403b69a17578dc265a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cfaa03127341d7ce8da394e8da18d6dbaec57c22d57403b69a17578dc265a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cfaa03127341d7ce8da394e8da18d6dbaec57c22d57403b69a17578dc265a38", kill_on_drop: false }`
[INFO] [stdout] 7cfaa03127341d7ce8da394e8da18d6dbaec57c22d57403b69a17578dc265a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 093bd6c0488ad4825ffc57cf6fc90c04b2f5ac622698e4dd92fe16b2d5bbb342
[INFO] running `Command { std: "docker" "start" "-a" "093bd6c0488ad4825ffc57cf6fc90c04b2f5ac622698e4dd92fe16b2d5bbb342", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.26
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]     Checking byteorder v0.5.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]     Checking circular v0.3.0
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking pretty-hex v0.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking libflate v0.1.27
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.13
[INFO] [stderr]     Checking positioned-io v0.2.2
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling codepage-437 v0.1.0
[INFO] [stderr]     Checking rc-zip v0.0.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking librarian v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "093bd6c0488ad4825ffc57cf6fc90c04b2f5ac622698e4dd92fe16b2d5bbb342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "093bd6c0488ad4825ffc57cf6fc90c04b2f5ac622698e4dd92fe16b2d5bbb342", kill_on_drop: false }`
[INFO] [stdout] 093bd6c0488ad4825ffc57cf6fc90c04b2f5ac622698e4dd92fe16b2d5bbb342