[INFO] fetching crate pfmt 0.4.0...
[INFO] testing pfmt-0.4.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate pfmt 0.4.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate pfmt 0.4.0 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 pfmt 0.4.0
[INFO] finished tweaking crates.io crate pfmt 0.4.0
[INFO] tweaked toml for crates.io crate pfmt 0.4.0 written to /workspace/builds/worker-11/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]  Downloading crates ...
[INFO] [stderr]   Downloaded galvanic-assert v0.8.7
[INFO] [stderr]   Downloaded galvanic-test v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efac589d9fd330836a2357e9023c13f1a421abd176c19b83e6063e86fc20ea4b
[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" "efac589d9fd330836a2357e9023c13f1a421abd176c19b83e6063e86fc20ea4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efac589d9fd330836a2357e9023c13f1a421abd176c19b83e6063e86fc20ea4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efac589d9fd330836a2357e9023c13f1a421abd176c19b83e6063e86fc20ea4b", kill_on_drop: false }`
[INFO] [stdout] efac589d9fd330836a2357e9023c13f1a421abd176c19b83e6063e86fc20ea4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64a3bf99bdee875f98efee23bff9b3a8097a2fc0dd96db8975784cd53113f645
[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" "64a3bf99bdee875f98efee23bff9b3a8097a2fc0dd96db8975784cd53113f645", kill_on_drop: false }`
[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]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling pfmt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.29s
[INFO] running `Command { std: "docker" "inspect" "64a3bf99bdee875f98efee23bff9b3a8097a2fc0dd96db8975784cd53113f645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64a3bf99bdee875f98efee23bff9b3a8097a2fc0dd96db8975784cd53113f645", kill_on_drop: false }`
[INFO] [stdout] 64a3bf99bdee875f98efee23bff9b3a8097a2fc0dd96db8975784cd53113f645
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20dfa83cf955c2a5e4d82eec567dd60a8d89235cac83cf912fea3f23ee9121cb
[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" "20dfa83cf955c2a5e4d82eec567dd60a8d89235cac83cf912fea3f23ee9121cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling galvanic-assert v0.8.7
[INFO] [stderr]    Compiling galvanic-test v0.1.5
[INFO] [stderr]    Compiling pfmt v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1590:28
[INFO] [stdout]      |
[INFO] [stdout] 1590 |             let a: Vec<Box<Fmt>> = vec![Box::new(-1), Box::new(-2)];
[INFO] [stdout]      |                            ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1591:28
[INFO] [stdout]      |
[INFO] [stdout] 1591 |             let b: Vec<Box<Fmt>> = (0..10_i32).map(|i| Box::new(i) as Box<Fmt>).collect();
[INFO] [stdout]      |                            ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1591:75
[INFO] [stdout]      |
[INFO] [stdout] 1591 |             let b: Vec<Box<Fmt>> = (0..10_i32).map(|i| Box::new(i) as Box<Fmt>).collect();
[INFO] [stdout]      |                                                                           ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1597:28
[INFO] [stdout]      |
[INFO] [stdout] 1597 |             let a: Vec<Box<Fmt>> = vec![Box::new(1)];
[INFO] [stdout]      |                            ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]     --> src/lib.rs:1598:28
[INFO] [stdout]      |
[INFO] [stdout] 1598 |             let b: Vec<Box<Fmt>> = vec![Box::new(10)];
[INFO] [stdout]      |                            ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.60s
[INFO] running `Command { std: "docker" "inspect" "20dfa83cf955c2a5e4d82eec567dd60a8d89235cac83cf912fea3f23ee9121cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20dfa83cf955c2a5e4d82eec567dd60a8d89235cac83cf912fea3f23ee9121cb", kill_on_drop: false }`
[INFO] [stdout] 20dfa83cf955c2a5e4d82eec567dd60a8d89235cac83cf912fea3f23ee9121cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72c06ce6a1a5c6701e5ec6e34a27c7ceb02bd8016cdc40e19d2a5cd8566d91d4
[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" "72c06ce6a1a5c6701e5ec6e34a27c7ceb02bd8016cdc40e19d2a5cd8566d91d4", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1590:28
[INFO] [stderr]      |
[INFO] [stderr] 1590 |             let a: Vec<Box<Fmt>> = vec![Box::new(-1), Box::new(-2)];
[INFO] [stderr]      |                            ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1591:28
[INFO] [stderr]      |
[INFO] [stderr] 1591 |             let b: Vec<Box<Fmt>> = (0..10_i32).map(|i| Box::new(i) as Box<Fmt>).collect();
[INFO] [stderr]      |                            ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1591:75
[INFO] [stderr]      |
[INFO] [stderr] 1591 |             let b: Vec<Box<Fmt>> = (0..10_i32).map(|i| Box::new(i) as Box<Fmt>).collect();
[INFO] [stderr]      |                                                                           ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1597:28
[INFO] [stderr]      |
[INFO] [stderr] 1597 |             let a: Vec<Box<Fmt>> = vec![Box::new(1)];
[INFO] [stderr]      |                            ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]     --> src/lib.rs:1598:28
[INFO] [stderr]      |
[INFO] [stderr] 1598 |             let b: Vec<Box<Fmt>> = vec![Box::new(10)];
[INFO] [stderr]      |                            ^^^ help: use `dyn`: `dyn Fmt`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pfmt-f68157841cd618be
[INFO] [stdout] running 69 tests
[INFO] [stdout] test fmt_tests::boolean::flags ... ok
[INFO] [stdout] test fmt_tests::floats::exp_precision_pos ... ok
[INFO] [stdout] test fmt_tests::char::boring ... ok
[INFO] [stdout] test fmt_tests::common_options::truncate_left ... ok
[INFO] [stdout] test fmt_tests::common_options::truncate_right ... ok
[INFO] [stdout] test fmt_tests::floats::negative ... ok
[INFO] [stdout] test fmt_tests::floats::norm_rounding_down ... ok
[INFO] [stdout] test extras::extras_tests::closures::ad_hoc_args ... ok
[INFO] [stdout] test fmt_tests::common_options::width_center ... ok
[INFO] [stdout] test extras::extras_tests::mono::monos_and_hashmaps ... ok
[INFO] [stdout] test fmt_tests::common_options::width_left ... ok
[INFO] [stdout] test extras::extras_tests::mono::several_monos ... ok
[INFO] [stdout] test fmt_tests::general::separated_by_colons ... ok
[INFO] [stdout] test extras::extras_tests::closures::mutable_lazy ... ok
[INFO] [stdout] test fmt_tests::general::unknown_fmt ... ok
[INFO] [stdout] test fmt_tests::integers::rounding_for_negatives ... ok
[INFO] [stdout] test fmt_tests::general::unknown_fmt_nested ... ok
[INFO] [stdout] test extras::extras_tests::closures::lazy ... ok
[INFO] [stdout] test extras::extras_tests::closures::ad_hoc_opts ... ok
[INFO] [stdout] test fmt_tests::general::integers_simple_1 ... ok
[INFO] [stdout] test extras::extras_tests::closures::ad_hoc_full ... ok
[INFO] [stdout] test fmt_tests::floats::norm_rounding_usual ... ok
[INFO] [stdout] test fmt_tests::floats::exp_negative_power ... ok
[INFO] [stdout] test fmt_tests::integers::bases_for_negative_numbers ... ok
[INFO] [stdout] test fmt_tests::common_options::width_right ... ok
[INFO] [stdout] test fmt_tests::integers::base_prefixes ... ok
[INFO] [stdout] test fmt_tests::floats::exp_precision_neg ... ok
[INFO] [stdout] test fmt_tests::floats::norm_rounding_up ... ok
[INFO] [stdout] test fmt_tests::integers::different_bases ... ok
[INFO] [stdout] test fmt_tests::integers::basic ... ok
[INFO] [stdout] test fmt_tests::nested_fmts::namespace_only ... ok
[INFO] [stdout] test parse::tests::arguments::empty_arguments ... ok
[INFO] [stdout] test fmt_tests::nested_fmts::double_nested ... ok
[INFO] [stdout] test fmt_tests::nested_fmts::single_nested ... ok
[INFO] [stdout] test fmt_tests::integers::rounding ... ok
[INFO] [stdout] test parse::tests::basic_tests::flags_after_name ... ok
[INFO] [stdout] test parse::tests::basic_tests::literal ... ok
[INFO] [stdout] test parse::tests::basic_tests::several_placeholders ... ok
[INFO] [stdout] test fmt_tests::placeholder_substitution::placeholder_in_options ... ok
[INFO] [stdout] test parse::tests::basic_tests::flags_after_argument_1 ... ok
[INFO] [stdout] test parse::tests::basic_tests::escapes_in_placeholder_names ... ok
[INFO] [stdout] test parse::tests::basic_tests::escapes_in_option_names ... ok
[INFO] [stdout] test parse::tests::basic_tests::several_segments_in_name ... ok
[INFO] [stdout] test parse::tests::basic_tests::single_placeholder_1 ... ok
[INFO] [stdout] test parse::tests::basic_tests::single_placeholder_2 ... ok
[INFO] [stdout] test parse::tests::errors::empty_name_segment_1 ... ok
[INFO] [stdout] test parse::tests::errors::empty_name_segment_2 ... ok
[INFO] [stdout] test parse::tests::errors::empty_name_segment_3 ... ok
[INFO] [stdout] test parse::tests::errors::empty_name_segment_4 ... ok
[INFO] [stdout] test parse::tests::errors::empty_option_name_1 ... ok
[INFO] [stdout] test parse::tests::errors::empty_option_name_2 ... ok
[INFO] [stdout] test parse::tests::errors::unbalanced_brackets_4 ... ok
[INFO] [stdout] test table_tests::tuples::defaulting ... ok
[INFO] [stdout] test parse::tests::errors::unbalanced_brackets_1 ... ok
[INFO] [stdout] test table_tests::vec::boring ... ok
[INFO] [stdout] test table_tests::tuples::lifetimes ... ok
[INFO] [stdout] test table_tests::vec::unknown_fmt_1 ... ok
[INFO] [stdout] test table_tests::tuples::precedence ... ok
[INFO] [stderr]    Doc-tests pfmt
[INFO] [stdout] test fmt_tests::integers::rounding_in_different_bases ... ok
[INFO] [stdout] test parse::tests::errors::unbalanced_brackets_3 ... ok
[INFO] [stdout] test parse::tests::arguments::two_literals ... ok
[INFO] [stdout] test parse::tests::errors::unbalanced_brackets_2 ... ok
[INFO] [stdout] test parse::tests::basic_tests::escapes_in_literals ... ok
[INFO] [stdout] test parse::tests::basic_tests::flags_after_argument_2 ... ok
[INFO] [stdout] test parse::tests::basic_tests::multiple_options ... ok
[INFO] [stdout] test parse::tests::basic_tests::explicit_separator_before_literal ... ok
[INFO] [stdout] test parse::tests::arguments::single_argument ... ok
[INFO] [stdout] test parse::tests::arguments::literal_and_placeholder_as_one_arg ... ok
[INFO] [stdout] test table_tests::vec::unknown_fmt_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 69 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/lib.rs - (line 292) ... ok
[INFO] [stdout] test src/lib.rs - (line 268) ... ok
[INFO] [stdout] test src/lib.rs - (line 140) ... ok
[INFO] [stdout] test src/extras.rs - extras (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 96) ... ok
[INFO] [stdout] test src/lib.rs - (line 167) ... ok
[INFO] [stdout] test src/lib.rs - (line 127) ... ok
[INFO] [stdout] test src/lib.rs - (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 110) ... ok
[INFO] [stdout] test src/extras.rs - extras (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72c06ce6a1a5c6701e5ec6e34a27c7ceb02bd8016cdc40e19d2a5cd8566d91d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72c06ce6a1a5c6701e5ec6e34a27c7ceb02bd8016cdc40e19d2a5cd8566d91d4", kill_on_drop: false }`
[INFO] [stdout] 72c06ce6a1a5c6701e5ec6e34a27c7ceb02bd8016cdc40e19d2a5cd8566d91d4