[INFO] fetching crate libical 0.1.0...
[INFO] checking libical-0.1.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate libical 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libical 0.1.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libical 0.1.0
[INFO] finished tweaking crates.io crate libical 0.1.0
[INFO] tweaked toml for crates.io crate libical 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--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 indoc-impl v0.3.6
[INFO] [stderr]   Downloaded predicates-tree v1.0.2
[INFO] [stderr]   Downloaded unindent v0.1.7
[INFO] [stderr]   Downloaded indoc v0.3.6
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded normalize-line-endings v0.3.0
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded float-cmp v0.8.0
[INFO] [stderr]   Downloaded predicates v1.0.7
[INFO] [stderr]   Downloaded assert_fs v0.13.1
[INFO] [stderr]   Downloaded libical-sys v0.1.3
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 617d17fe10b79e9b9f0ee5c6ef9df0a1697f67f0b8b4cddf97c428f7cb1ef650
[INFO] running `Command { std: "docker" "start" "-a" "617d17fe10b79e9b9f0ee5c6ef9df0a1697f67f0b8b4cddf97c428f7cb1ef650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "617d17fe10b79e9b9f0ee5c6ef9df0a1697f67f0b8b4cddf97c428f7cb1ef650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617d17fe10b79e9b9f0ee5c6ef9df0a1697f67f0b8b4cddf97c428f7cb1ef650", kill_on_drop: false }`
[INFO] [stdout] 617d17fe10b79e9b9f0ee5c6ef9df0a1697f67f0b8b4cddf97c428f7cb1ef650
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "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] 7c7ac0ec7538e7a54960766125b47068dd6cd66084182d51b38b7a031f96e063
[INFO] running `Command { std: "docker" "start" "-a" "7c7ac0ec7538e7a54960766125b47068dd6cd66084182d51b38b7a031f96e063", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling bindgen v0.43.2
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling clang-sys v0.26.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking globwalk v0.7.3
[INFO] [stderr]     Checking assert_fs v0.13.1
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling libical-sys v0.1.3
[INFO] [stderr]     Checking libical v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "7c7ac0ec7538e7a54960766125b47068dd6cd66084182d51b38b7a031f96e063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c7ac0ec7538e7a54960766125b47068dd6cd66084182d51b38b7a031f96e063", kill_on_drop: false }`
[INFO] [stdout] 7c7ac0ec7538e7a54960766125b47068dd6cd66084182d51b38b7a031f96e063