[INFO] fetching crate clargs 1.0.0...
[INFO] testing clargs-1.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate clargs 1.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate clargs 1.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clargs 1.0.0
[INFO] finished tweaking crates.io crate clargs 1.0.0
[INFO] tweaked toml for crates.io crate clargs 1.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee5e53593e4a77555edfa1db06244ebe192e6a4f5953f0f83fa3e6d88884f10d
[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" "ee5e53593e4a77555edfa1db06244ebe192e6a4f5953f0f83fa3e6d88884f10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee5e53593e4a77555edfa1db06244ebe192e6a4f5953f0f83fa3e6d88884f10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee5e53593e4a77555edfa1db06244ebe192e6a4f5953f0f83fa3e6d88884f10d", kill_on_drop: false }`
[INFO] [stdout] ee5e53593e4a77555edfa1db06244ebe192e6a4f5953f0f83fa3e6d88884f10d
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--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] 186d4d3e655ba534dc8aa1144618d4c3f130abd54bafca1a1b462e353776cc60
[INFO] running `Command { std: "docker" "start" "-a" "186d4d3e655ba534dc8aa1144618d4c3f130abd54bafca1a1b462e353776cc60", kill_on_drop: false }`
[INFO] [stderr]    Compiling clargs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parsing_error.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         (self as &Display).fmt(f)
[INFO] [stdout]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parsing_error.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "186d4d3e655ba534dc8aa1144618d4c3f130abd54bafca1a1b462e353776cc60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186d4d3e655ba534dc8aa1144618d4c3f130abd54bafca1a1b462e353776cc60", kill_on_drop: false }`
[INFO] [stdout] 186d4d3e655ba534dc8aa1144618d4c3f130abd54bafca1a1b462e353776cc60
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a206f81e7c5eaf32da9e06f09832d046569cedf67ebd69845c6e9e6c27f2cad1
[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" "a206f81e7c5eaf32da9e06f09832d046569cedf67ebd69845c6e9e6c27f2cad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling clargs v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parsing_error.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         (self as &Display).fmt(f)
[INFO] [stdout]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parsing_error.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parsing_error.rs:118:19
[INFO] [stdout]     |
[INFO] [stdout] 118 |         (self as &Display).fmt(f)
[INFO] [stdout]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/parsing_error.rs:123:32
[INFO] [stdout]     |
[INFO] [stdout] 123 |     fn cause(&self) -> Option<&Error> {
[INFO] [stdout]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "a206f81e7c5eaf32da9e06f09832d046569cedf67ebd69845c6e9e6c27f2cad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a206f81e7c5eaf32da9e06f09832d046569cedf67ebd69845c6e9e6c27f2cad1", kill_on_drop: false }`
[INFO] [stdout] a206f81e7c5eaf32da9e06f09832d046569cedf67ebd69845c6e9e6c27f2cad1
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c2ce7d29904a1b6685a1cd58a64667183ca8cdb02174929b4ab63537f1bfb399
[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" "c2ce7d29904a1b6685a1cd58a64667183ca8cdb02174929b4ab63537f1bfb399", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parsing_error.rs:118:19
[INFO] [stderr]     |
[INFO] [stderr] 118 |         (self as &Display).fmt(f)
[INFO] [stderr]     |                   ^^^^^^^ help: use `dyn`: `dyn Display`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parsing_error.rs:123:32
[INFO] [stderr]     |
[INFO] [stderr] 123 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: `clargs` (lib) generated 2 warnings
[INFO] [stderr] warning: `clargs` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/clargs-71876f0e53b1c355)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/a_tests.rs (/opt/rustwide/target/debug/deps/a_tests-9f53f69ef543ddf4)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test a_test4 ... ok
[INFO] [stdout] test a_test5 ... ok
[INFO] [stdout] test a_test2 ... ok
[INFO] [stdout] test a_test1 ... ok
[INFO] [stdout] test a_test6 ... ok
[INFO] [stdout] test a_test8 ... ok
[INFO] [stdout] test a_test3 ... ok
[INFO] [stdout] test a_test7 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/dh_tests.rs (/opt/rustwide/target/debug/deps/dh_tests-381c8c1185d2c1d5)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dh_test2 ... ok
[INFO] [stdout] test dh_test4 ... ok
[INFO] [stdout] test dh_test3 ... ok
[INFO] [stdout] test dh_test5 ... ok
[INFO] [stdout] test dh_test1 ... ok
[INFO] [stderr]      Running tests/dha_tests.rs (/opt/rustwide/target/debug/deps/dha_tests-579710b10ede4246)
[INFO] [stdout] test dh_test6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test dha_test2 ... ok
[INFO] [stdout] test dha_test1 ... ok
[INFO] [stdout] test dha_test4 ... ok
[INFO] [stdout] test dha_test6 ... ok
[INFO] [stdout] test dha_test5 ... ok
[INFO] [stdout] test dha_test7 ... ok
[INFO] [stdout] test dha_test8 ... ok
[INFO] [stdout] test dha_test3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/sh_tests.rs (/opt/rustwide/target/debug/deps/sh_tests-8c38b5032d1bca38)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test sh_test12 ... ok
[INFO] [stderr]      Running tests/subcommand_tests.rs (/opt/rustwide/target/debug/deps/subcommand_tests-683680dba8636980)
[INFO] [stdout] test sh_test13 ... ok
[INFO] [stdout] test sh_test4 ... ok
[INFO] [stdout] test sh_test11 ... ok
[INFO] [stdout] test sh_test1 ... ok
[INFO] [stdout] test sh_test5 ... ok
[INFO] [stdout] test sh_test8 ... ok
[INFO] [stdout] test sh_test3 ... ok
[INFO] [stdout] test sh_test7 ... ok
[INFO] [stdout] test sh_test6 ... ok
[INFO] [stdout] test sh_test9 ... ok
[INFO] [stdout] test sh_test10 ... ok
[INFO] [stdout] test sh_test2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clargs
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test subcommand_test4 ... ok
[INFO] [stdout] test subcommand_test6 ... ok
[INFO] [stdout] test subcommand_test7 ... ok
[INFO] [stdout] test subcommand_test2 ... ok
[INFO] [stdout] test subcommand_test5 ... ok
[INFO] [stdout] test subcommand_test1 ... ok
[INFO] [stdout] test subcommand_test3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c2ce7d29904a1b6685a1cd58a64667183ca8cdb02174929b4ab63537f1bfb399", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ce7d29904a1b6685a1cd58a64667183ca8cdb02174929b4ab63537f1bfb399", kill_on_drop: false }`
[INFO] [stdout] c2ce7d29904a1b6685a1cd58a64667183ca8cdb02174929b4ab63537f1bfb399