[INFO] fetching crate m 0.1.1...
[INFO] checking m-0.1.1 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate m 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate m 0.1.1 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate m 0.1.1
[INFO] finished tweaking crates.io crate m 0.1.1
[INFO] tweaked toml for crates.io crate m 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f94db1a1a263a4a7a5d6ccf6abb3cb3ef804f6f42c40d4c819d44413e15cccf
[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" "2f94db1a1a263a4a7a5d6ccf6abb3cb3ef804f6f42c40d4c819d44413e15cccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f94db1a1a263a4a7a5d6ccf6abb3cb3ef804f6f42c40d4c819d44413e15cccf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f94db1a1a263a4a7a5d6ccf6abb3cb3ef804f6f42c40d4c819d44413e15cccf", kill_on_drop: false }`
[INFO] [stdout] 2f94db1a1a263a4a7a5d6ccf6abb3cb3ef804f6f42c40d4c819d44413e15cccf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20612b6ea26abb132fba9d5f570c4a4bc64335823302df19a3590a493a4c94fa
[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" "20612b6ea26abb132fba9d5f570c4a4bc64335823302df19a3590a493a4c94fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking m v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `many_single_char_names`
[INFO] [stdout]    --> src/ll.rs:132:14
[INFO] [stdout]     |
[INFO] [stdout] 132 |     #![allow(many_single_char_names)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `if_same_then_else`
[INFO] [stdout]    --> src/ll.rs:134:14
[INFO] [stdout]     |
[INFO] [stdout] 134 |     #![allow(if_same_then_else)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stdout] warning: unknown lint: `many_single_char_names`
[INFO] [stdout]    --> src/ll.rs:241:14
[INFO] [stdout]     |
[INFO] [stdout] 241 |     #![allow(many_single_char_names)]
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `eq_op`
[INFO] [stdout]    --> src/ll.rs:242:14
[INFO] [stdout]     |
[INFO] [stdout] 242 |     #![allow(eq_op)]
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/ll.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 | /         pub extern fn $fname(x: $ty) -> $ty {
[INFO] [stdout] 117 | |             $ty::from_repr(x.repr() & $ty::sign_mask())
[INFO] [stdout] 118 | |         }
[INFO] [stdout]     | |_________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 124 |   fabs!(fabs, f64);
[INFO] [stdout]     |   ----------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/ll.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 | /         pub extern fn $fname(x: $ty) -> $ty {
[INFO] [stdout] 117 | |             $ty::from_repr(x.repr() & $ty::sign_mask())
[INFO] [stdout] 118 | |         }
[INFO] [stdout]     | |_________^ ABI should be specified here
[INFO] [stdout] ...
[INFO] [stdout] 125 |   fabs!(fabsf, f32);
[INFO] [stdout]     |   ------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `m`.
[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" "20612b6ea26abb132fba9d5f570c4a4bc64335823302df19a3590a493a4c94fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20612b6ea26abb132fba9d5f570c4a4bc64335823302df19a3590a493a4c94fa", kill_on_drop: false }`
[INFO] [stdout] 20612b6ea26abb132fba9d5f570c4a4bc64335823302df19a3590a493a4c94fa