[INFO] fetching crate iconz 0.2.2...
[INFO] checking iconz-0.2.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate iconz 0.2.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate iconz 0.2.2 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iconz 0.2.2
[INFO] finished tweaking crates.io crate iconz 0.2.2
[INFO] tweaked toml for crates.io crate iconz 0.2.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate iconz 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] 82d73a14050a4de6dd0d8270d45b5c5350806e41253b249c3e78906543cebe1c
[INFO] running `Command { std: "docker" "start" "-a" "82d73a14050a4de6dd0d8270d45b5c5350806e41253b249c3e78906543cebe1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82d73a14050a4de6dd0d8270d45b5c5350806e41253b249c3e78906543cebe1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82d73a14050a4de6dd0d8270d45b5c5350806e41253b249c3e78906543cebe1c", kill_on_drop: false }`
[INFO] [stdout] 82d73a14050a4de6dd0d8270d45b5c5350806e41253b249c3e78906543cebe1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] e2aa480ebe357c68807766a3f8edb64e485fecd97234aea907b11b61fbb40c94
[INFO] running `Command { std: "docker" "start" "-a" "e2aa480ebe357c68807766a3f8edb64e485fecd97234aea907b11b61fbb40c94", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking bytemuck v1.2.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.2
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking png v0.16.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking iconz v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.61s
[INFO] running `Command { std: "docker" "inspect" "e2aa480ebe357c68807766a3f8edb64e485fecd97234aea907b11b61fbb40c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2aa480ebe357c68807766a3f8edb64e485fecd97234aea907b11b61fbb40c94", kill_on_drop: false }`
[INFO] [stdout] e2aa480ebe357c68807766a3f8edb64e485fecd97234aea907b11b61fbb40c94