[INFO] cloning repository https://github.com/mthom/rusty-wam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mthom/rusty-wam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 176daeec0314571b4aca3973601af7c65dc8b869
[INFO] checking mthom/rusty-wam against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmthom%2Frusty-wam" "/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/mthom/rusty-wam on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mthom/rusty-wam
[INFO] finished tweaking git repo https://github.com/mthom/rusty-wam
[INFO] tweaked toml for git repo https://github.com/mthom/rusty-wam written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mthom/rusty-wam already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode_reader v1.0.1
[INFO] [stderr]   Downloaded divrem v0.1.0
[INFO] [stderr]   Downloaded az v1.1.0
[INFO] [stderr]   Downloaded rug v1.11.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6236eb3d21b23d8ff5083093e72c57407d9ab3092bda1e8042294955816e8ea
[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" "e6236eb3d21b23d8ff5083093e72c57407d9ab3092bda1e8042294955816e8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6236eb3d21b23d8ff5083093e72c57407d9ab3092bda1e8042294955816e8ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6236eb3d21b23d8ff5083093e72c57407d9ab3092bda1e8042294955816e8ea", kill_on_drop: false }`
[INFO] [stdout] e6236eb3d21b23d8ff5083093e72c57407d9ab3092bda1e8042294955816e8ea
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a06663400cabc124be0059499bf2ddb091e057b6fc5ae9c67bd6823da3851673
[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" "a06663400cabc124be0059499bf2ddb091e057b6fc5ae9c67bd6823da3851673", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.2
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling rug v1.11.0
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking az v1.1.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling openssl v0.10.32
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking divrem v0.1.0
[INFO] [stderr]     Checking ref_thread_local v0.0.0
[INFO] [stderr]    Compiling openssl-src v111.13.0+1.1.1i
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking unicode_reader v1.0.1
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling libsodium-sys v0.2.6
[INFO] [stderr]     Checking roxmltree v0.11.0
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]    Compiling scryer-prolog v0.8.128 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]     Checking cpu-time v1.0.0
[INFO] [stderr]     Checking slice-deque v0.3.0
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking blake2 v0.8.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking assert_cmd v1.0.3
[INFO] [stderr]     Checking lexical v5.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking num-rug-adapter v0.1.5 (/opt/rustwide/workdir/crates/num-rug-adapter)
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking rustyline v7.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling git-version-macro v0.3.4
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]     Checking git-version v0.3.4
[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]     Checking sodiumoxide v0.2.6
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a06663400cabc124be0059499bf2ddb091e057b6fc5ae9c67bd6823da3851673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06663400cabc124be0059499bf2ddb091e057b6fc5ae9c67bd6823da3851673", kill_on_drop: false }`
[INFO] [stdout] a06663400cabc124be0059499bf2ddb091e057b6fc5ae9c67bd6823da3851673