[INFO] fetching crate tugger-rust-toolchain 0.3.0...
[INFO] checking tugger-rust-toolchain-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate tugger-rust-toolchain 0.3.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tugger-rust-toolchain 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tugger-rust-toolchain 0.3.0
[INFO] finished tweaking crates.io crate tugger-rust-toolchain 0.3.0
[INFO] tweaked toml for crates.io crate tugger-rust-toolchain 0.3.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] fdc939becc9da7f1d09535760127fd6b3948957e4f28a3105da898887b5f9577
[INFO] running `Command { std: "docker" "start" "-a" "fdc939becc9da7f1d09535760127fd6b3948957e4f28a3105da898887b5f9577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdc939becc9da7f1d09535760127fd6b3948957e4f28a3105da898887b5f9577", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdc939becc9da7f1d09535760127fd6b3948957e4f28a3105da898887b5f9577", kill_on_drop: false }`
[INFO] [stdout] fdc939becc9da7f1d09535760127fd6b3948957e4f28a3105da898887b5f9577
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 753878276e9b976f6ed3ba9e07ff09f5b9d29b124ef926a894511b0f86b5a195
[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" "753878276e9b976f6ed3ba9e07ff09f5b9d29b124ef926a894511b0f86b5a195", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking signature v1.3.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking bitfield v0.13.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking tokio v1.8.2
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking ed25519 v1.1.1
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking aes-soft v0.5.0
[INFO] [stderr]     Checking cast5 v0.8.0
[INFO] [stderr]     Checking blowfish v0.6.0
[INFO] [stderr]     Checking des v0.5.0
[INFO] [stderr]     Checking twofish v0.4.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking sha3 v0.9.1
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.9.7
[INFO] [stderr]     Checking cfb-mode v0.5.0
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking aes v0.5.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling zstd-sys v1.5.0+zstd.1.4.9
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking simple_asn1 v0.4.1
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking curve25519-dalek v3.1.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking x25519-dalek v1.1.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking rsa v0.3.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking pgp v0.7.1
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking tugger-common v0.4.0
[INFO] [stderr]    Compiling zstd-safe v3.1.0+zstd.1.4.9
[INFO] [stderr]     Checking zstd v0.7.0+zstd.1.4.9
[INFO] [stderr]     Checking tugger-rust-toolchain v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "753878276e9b976f6ed3ba9e07ff09f5b9d29b124ef926a894511b0f86b5a195", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "753878276e9b976f6ed3ba9e07ff09f5b9d29b124ef926a894511b0f86b5a195", kill_on_drop: false }`
[INFO] [stdout] 753878276e9b976f6ed3ba9e07ff09f5b9d29b124ef926a894511b0f86b5a195