[INFO] cloning repository https://github.com/imp/httptin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imp/httptin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimp%2Fhttptin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimp%2Fhttptin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 62678bd61779e6b34e7020f17e5727e30c5a30c7
[INFO] checking imp/httptin against try#894d32a5432c6a6461bb2aac7c3d5f2e87dce83f for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimp%2Fhttptin" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imp/httptin on toolchain 894d32a5432c6a6461bb2aac7c3d5f2e87dce83f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imp/httptin
[INFO] finished tweaking git repo https://github.com/imp/httptin
[INFO] tweaked toml for git repo https://github.com/imp/httptin written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/imp/httptin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "fetch" "--locked" "--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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slog-extra v0.1.2
[INFO] [stderr]   Downloaded isatty v0.1.3
[INFO] [stderr]   Downloaded slog-stream v1.2.1
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded redox_syscall v0.1.17
[INFO] [stderr]   Downloaded log v0.3.7
[INFO] [stderr]   Downloaded libc v0.2.22
[INFO] [stderr]   Downloaded num_cpus v1.4.0
[INFO] [stderr]   Downloaded rustc_version v0.1.7
[INFO] [stderr]   Downloaded serde v1.0.4
[INFO] [stderr]   Downloaded unicode-bidi v0.2.5
[INFO] [stderr]   Downloaded thread_local v0.3.3
[INFO] [stderr]   Downloaded idna v0.1.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.15.0
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded matches v0.1.4
[INFO] [stderr]   Downloaded unreachable v0.1.1
[INFO] [stderr]   Downloaded unicode-normalization v0.1.4
[INFO] [stderr]   Downloaded base64 v0.5.2
[INFO] [stderr]   Downloaded either v1.1.0
[INFO] [stderr]   Downloaded slog-term v1.5.0
[INFO] [stderr]   Downloaded semver v0.1.20
[INFO] [stderr]   Downloaded itertools v0.6.0
[INFO] [stderr]   Downloaded thread-id v3.0.0
[INFO] [stderr]   Downloaded url v1.4.0
[INFO] [stderr]   Downloaded num v0.1.37
[INFO] [stderr]   Downloaded serde_derive v1.0.4
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded httparse v1.2.2
[INFO] [stderr]   Downloaded unicase v1.4.0
[INFO] [stderr]   Downloaded hyper v0.10.10
[INFO] [stderr]   Downloaded slog v1.5.2
[INFO] [stderr]   Downloaded mime v0.2.3
[INFO] [stderr]   Downloaded num-traits v0.1.37
[INFO] [stderr]   Downloaded time v0.1.37
[INFO] [stderr]   Downloaded byteorder v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9eeb00f38080c2c82c353a78e9ce4c75be7163f99ec724074d1af0ea96c15a0c
[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" "9eeb00f38080c2c82c353a78e9ce4c75be7163f99ec724074d1af0ea96c15a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9eeb00f38080c2c82c353a78e9ce4c75be7163f99ec724074d1af0ea96c15a0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9eeb00f38080c2c82c353a78e9ce4c75be7163f99ec724074d1af0ea96c15a0c", kill_on_drop: false }`
[INFO] [stdout] 9eeb00f38080c2c82c353a78e9ce4c75be7163f99ec724074d1af0ea96c15a0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+894d32a5432c6a6461bb2aac7c3d5f2e87dce83f" "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] ce772e2e75ddf567773f44d2fe0cb5dd1e4bbd573aff853290b65b9531317ac2
[INFO] running `Command { std: "docker" "start" "-a" "ce772e2e75ddf567773f44d2fe0cb5dd1e4bbd573aff853290b65b9531317ac2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.22
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking matches v0.1.4
[INFO] [stderr]     Checking slog v1.5.2
[INFO] [stderr]     Checking unicode-normalization v0.1.4
[INFO] [stderr]     Checking log v0.3.7
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking httparse v1.2.2
[INFO] [stderr]     Checking serde v1.0.4
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stdout] error[E0277]: `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/slog-1.5.2/src/ser.rs:228:6
[INFO] [stdout]     |
[INFO] [stdout] 120 | pub trait SyncSerialize: Send + Sync + 'static + Serialize {}
[INFO] [stdout]     |                                 ---- required by this bound in `SyncSerialize`
[INFO] [stdout] ...
[INFO] [stdout] 228 | impl SyncSerialize for fmt::Arguments<'static> {}
[INFO] [stdout]     |      ^^^^^^^^^^^^^ `core::fmt::Opaque` cannot be shared between threads safely
[INFO] [stdout]     |
[INFO] [stdout]     = help: within `Arguments<'static>`, the trait `Sync` is not implemented for `core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `&'static core::fmt::Opaque`
[INFO] [stdout]     = note: required because it appears within the type `ArgumentV1<'static>`
[INFO] [stdout]     = note: required because it appears within the type `[ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `&'static [ArgumentV1<'static>]`
[INFO] [stdout]     = note: required because it appears within the type `Arguments<'static>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `slog`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ce772e2e75ddf567773f44d2fe0cb5dd1e4bbd573aff853290b65b9531317ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce772e2e75ddf567773f44d2fe0cb5dd1e4bbd573aff853290b65b9531317ac2", kill_on_drop: false }`
[INFO] [stdout] ce772e2e75ddf567773f44d2fe0cb5dd1e4bbd573aff853290b65b9531317ac2