[INFO] fetching crate dynfmt 0.1.4...
[INFO] testing dynfmt-0.1.4 against 1.49.0 for beta-1.50-1
[INFO] extracting crate dynfmt 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dynfmt 0.1.4 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dynfmt 0.1.4
[INFO] finished tweaking crates.io crate dynfmt 0.1.4
[INFO] tweaked toml for crates.io crate dynfmt 0.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57a5a32fd33a22e38ab820b2ff237104249097100683f6f13a1031cdc5713f24
[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" "57a5a32fd33a22e38ab820b2ff237104249097100683f6f13a1031cdc5713f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57a5a32fd33a22e38ab820b2ff237104249097100683f6f13a1031cdc5713f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a5a32fd33a22e38ab820b2ff237104249097100683f6f13a1031cdc5713f24", kill_on_drop: false }`
[INFO] [stdout] 57a5a32fd33a22e38ab820b2ff237104249097100683f6f13a1031cdc5713f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47351f7f0c91b6443fb860ed161b4662edc224ef04caa5e1e3f0c1749b39e815
[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" "47351f7f0c91b6443fb860ed161b4662edc224ef04caa5e1e3f0c1749b39e815", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]    Compiling erased-serde v0.3.13
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling dynfmt v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "47351f7f0c91b6443fb860ed161b4662edc224ef04caa5e1e3f0c1749b39e815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47351f7f0c91b6443fb860ed161b4662edc224ef04caa5e1e3f0c1749b39e815", kill_on_drop: false }`
[INFO] [stdout] 47351f7f0c91b6443fb860ed161b4662edc224ef04caa5e1e3f0c1749b39e815
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 55ec337d8d406761046bc4e553a008d458d24e0fcf9c087a1a0df4f80f802deb
[INFO] running `Command { std: "docker" "start" "-a" "55ec337d8d406761046bc4e553a008d458d24e0fcf9c087a1a0df4f80f802deb", kill_on_drop: false }`
[INFO] [stderr]    Compiling dynfmt v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "55ec337d8d406761046bc4e553a008d458d24e0fcf9c087a1a0df4f80f802deb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55ec337d8d406761046bc4e553a008d458d24e0fcf9c087a1a0df4f80f802deb", kill_on_drop: false }`
[INFO] [stdout] 55ec337d8d406761046bc4e553a008d458d24e0fcf9c087a1a0df4f80f802deb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 323b698eaef14563cb52010c38e920c5cfd1e09cdaa18fd666c2bce69e017a28
[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" "323b698eaef14563cb52010c38e920c5cfd1e09cdaa18fd666c2bce69e017a28", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dynfmt-2f59c4532f655bc9
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_curly-339bbb6cd551108c
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_error_messages-c2d1d2bd55352090
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test bad_arg_index ... ok
[INFO] [stdout] test io_error ... ok
[INFO] [stdout] test list_required ... ok
[INFO] [stdout] test map_required ... ok
[INFO] [stdout] test bad_arg_auto ... ok
[INFO] [stdout] test missing_arg_auto ... ok
[INFO] [stdout] test bad_arg_key ... ok
[INFO] [stdout] test missing_arg_index ... ok
[INFO] [stdout] test bad_data_key ... ok
[INFO] [stdout] test bad_format ... ok
[INFO] [stdout] test missing_arg_key ... ok
[INFO] [stdout] test bad_data_auto ... ok
[INFO] [stdout] test bad_data_index ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/test_python-3d1ca5c83b0bb844
[INFO] [stdout] test parse ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dynfmt
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Format::format (line 646) ... ok
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "323b698eaef14563cb52010c38e920c5cfd1e09cdaa18fd666c2bce69e017a28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "323b698eaef14563cb52010c38e920c5cfd1e09cdaa18fd666c2bce69e017a28", kill_on_drop: false }`
[INFO] [stdout] 323b698eaef14563cb52010c38e920c5cfd1e09cdaa18fd666c2bce69e017a28