[INFO] fetching crate seed-icons-gen 0.3.2...
[INFO] checking seed-icons-gen-0.3.2 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate seed-icons-gen 0.3.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate seed-icons-gen 0.3.2 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seed-icons-gen 0.3.2
[INFO] finished tweaking crates.io crate seed-icons-gen 0.3.2
[INFO] tweaked toml for crates.io crate seed-icons-gen 0.3.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] a9b7c752cd80c4accd1c298dcc0715a3977647cc5a46bf2ad749819c5de6914e
[INFO] running `Command { std: "docker" "start" "-a" "a9b7c752cd80c4accd1c298dcc0715a3977647cc5a46bf2ad749819c5de6914e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9b7c752cd80c4accd1c298dcc0715a3977647cc5a46bf2ad749819c5de6914e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b7c752cd80c4accd1c298dcc0715a3977647cc5a46bf2ad749819c5de6914e", kill_on_drop: false }`
[INFO] [stdout] a9b7c752cd80c4accd1c298dcc0715a3977647cc5a46bf2ad749819c5de6914e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] e9c49e5bd897aed714e191cdf4a662a96dbc0681916d0ab3652dfd3ff6910239
[INFO] running `Command { std: "docker" "start" "-a" "e9c49e5bd897aed714e191cdf4a662a96dbc0681916d0ab3652dfd3ff6910239", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking tinyvec v1.2.0
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]     Checking codegen v0.1.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking zip v0.5.12
[INFO] [stderr]     Checking attohttpc v0.14.0
[INFO] [stderr]     Checking seed-icons-gen v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.50s
[INFO] running `Command { std: "docker" "inspect" "e9c49e5bd897aed714e191cdf4a662a96dbc0681916d0ab3652dfd3ff6910239", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9c49e5bd897aed714e191cdf4a662a96dbc0681916d0ab3652dfd3ff6910239", kill_on_drop: false }`
[INFO] [stdout] e9c49e5bd897aed714e191cdf4a662a96dbc0681916d0ab3652dfd3ff6910239