[INFO] cloning repository https://github.com/Chronophylos/iu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chronophylos/iu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChronophylos%2Fiu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChronophylos%2Fiu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65376952e1620ee5dc9c248d0631a2856f455134
[INFO] checking Chronophylos/iu against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChronophylos%2Fiu" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chronophylos/iu on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chronophylos/iu
[INFO] finished tweaking git repo https://github.com/Chronophylos/iu
[INFO] tweaked toml for git repo https://github.com/Chronophylos/iu written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Chronophylos/iu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded imgur v0.7.0
[INFO] [stderr]   Downloaded mpart-async v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b316f5b7789f204d87fdec8c19182015546053c3d6c829f8794d162ea9af1ed
[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" "3b316f5b7789f204d87fdec8c19182015546053c3d6c829f8794d162ea9af1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b316f5b7789f204d87fdec8c19182015546053c3d6c829f8794d162ea9af1ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b316f5b7789f204d87fdec8c19182015546053c3d6c829f8794d162ea9af1ed", kill_on_drop: false }`
[INFO] [stdout] 3b316f5b7789f204d87fdec8c19182015546053c3d6c829f8794d162ea9af1ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "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] 56c7433f2c2b26136553c35439b4233814ab3980aa80e9b5727a5eb5ddb5572a
[INFO] running `Command { std: "docker" "start" "-a" "56c7433f2c2b26136553c35439b4233814ab3980aa80e9b5727a5eb5ddb5572a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.70
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.23
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling cc v1.0.54
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.16
[INFO] [stderr]     Checking pin-project-lite v0.1.5
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking backtrace v0.3.41
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking stderrlog v0.4.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking webpki v0.18.1
[INFO] [stderr]     Checking sct v0.4.0
[INFO] [stderr]     Checking webpki-roots v0.15.0
[INFO] [stderr]     Checking rustls v0.13.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking hyper-rustls v0.6.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling thiserror-impl v1.0.19
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking thiserror v1.0.19
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking mpart-async v0.3.0
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking imgur v0.7.0
[INFO] [stderr]     Checking iu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 59s
[INFO] running `Command { std: "docker" "inspect" "56c7433f2c2b26136553c35439b4233814ab3980aa80e9b5727a5eb5ddb5572a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c7433f2c2b26136553c35439b4233814ab3980aa80e9b5727a5eb5ddb5572a", kill_on_drop: false }`
[INFO] [stdout] 56c7433f2c2b26136553c35439b4233814ab3980aa80e9b5727a5eb5ddb5572a