[INFO] cloning repository https://github.com/Cerulity32K/pommel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cerulity32K/pommel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulity32K%2Fpommel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulity32K%2Fpommel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e78ed29b99593fc9e057009899213512a0733be
[INFO] checking Cerulity32K/pommel against master#f8463896a9b36a04899c013bd8825a7fd29dd7a4 for pr-151920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCerulity32K%2Fpommel" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Cerulity32K/pommel
[INFO] finished tweaking git repo https://github.com/Cerulity32K/pommel
[INFO] tweaked toml for git repo https://github.com/Cerulity32K/pommel written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Cerulity32K/pommel on toolchain f8463896a9b36a04899c013bd8825a7fd29dd7a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Cerulity32K/pommel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Cerulity32K/decent`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12684871dd8ff46b854da3a5732ba322e93c6c5e7ec4fc23f3072e2803789f98
[INFO] running `Command { std: "docker" "start" "-a" "12684871dd8ff46b854da3a5732ba322e93c6c5e7ec4fc23f3072e2803789f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12684871dd8ff46b854da3a5732ba322e93c6c5e7ec4fc23f3072e2803789f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12684871dd8ff46b854da3a5732ba322e93c6c5e7ec4fc23f3072e2803789f98", kill_on_drop: false }`
[INFO] [stdout] 12684871dd8ff46b854da3a5732ba322e93c6c5e7ec4fc23f3072e2803789f98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+f8463896a9b36a04899c013bd8825a7fd29dd7a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87306a0db96604b5c11688c9989cfbed458d58c218e9f48a61966b35327b1d7b
[INFO] running `Command { std: "docker" "start" "-a" "87306a0db96604b5c11688c9989cfbed458d58c218e9f48a61966b35327b1d7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking decent v0.1.0 (https://github.com/Cerulity32K/decent#29690ab2)
[INFO] [stderr]    Compiling decent-macros v0.1.0 (https://github.com/Cerulity32K/decent#29690ab2)
[INFO] [stderr]     Checking pommel v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0635]: unknown feature `bigint_helper_methods`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bigint_helper_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `bigint_helper_methods`
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(bigint_helper_methods)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pommel` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pommel` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "87306a0db96604b5c11688c9989cfbed458d58c218e9f48a61966b35327b1d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87306a0db96604b5c11688c9989cfbed458d58c218e9f48a61966b35327b1d7b", kill_on_drop: false }`
[INFO] [stdout] 87306a0db96604b5c11688c9989cfbed458d58c218e9f48a61966b35327b1d7b
