[INFO] fetching crate custard_lib 0.6.1...
[INFO] checking custard_lib-0.6.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate custard_lib 0.6.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate custard_lib 0.6.1
[INFO] finished tweaking crates.io crate custard_lib 0.6.1
[INFO] tweaked toml for crates.io crate custard_lib 0.6.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate custard_lib 0.6.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate custard_lib 0.6.1 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 567c62855666f6020a2f6123a974c0c29ad265dd5ea8a037618a80df9cff5918
[INFO] running `Command { std: "docker" "start" "-a" "567c62855666f6020a2f6123a974c0c29ad265dd5ea8a037618a80df9cff5918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "567c62855666f6020a2f6123a974c0c29ad265dd5ea8a037618a80df9cff5918", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "567c62855666f6020a2f6123a974c0c29ad265dd5ea8a037618a80df9cff5918", kill_on_drop: false }`
[INFO] [stdout] 567c62855666f6020a2f6123a974c0c29ad265dd5ea8a037618a80df9cff5918
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1a7471de99910be21f741607baf71e26e36f4b3c6cf99f6bf19cd73576f6a07
[INFO] running `Command { std: "docker" "start" "-a" "c1a7471de99910be21f741607baf71e26e36f4b3c6cf99f6bf19cd73576f6a07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]     Checking hashbrown v0.14.1
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking unsafe-libyaml v0.2.9
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking pretty_assertions v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking indexmap v2.0.2
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.22
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking notify v5.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling tracing-attributes v0.1.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.49
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking serde_yaml v0.9.25
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking custard_lib v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.48s
[INFO] running `Command { std: "docker" "inspect" "c1a7471de99910be21f741607baf71e26e36f4b3c6cf99f6bf19cd73576f6a07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a7471de99910be21f741607baf71e26e36f4b3c6cf99f6bf19cd73576f6a07", kill_on_drop: false }`
[INFO] [stdout] c1a7471de99910be21f741607baf71e26e36f4b3c6cf99f6bf19cd73576f6a07