[INFO] fetching crate clargs 1.0.0...
[INFO] testing clargs-1.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate clargs 1.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate clargs 1.0.0 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 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-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] e6009eab9d4cc8406aebaff421ba5655ed6394c2766787986a7bd3869ccd8d07
[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" "e6009eab9d4cc8406aebaff421ba5655ed6394c2766787986a7bd3869ccd8d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6009eab9d4cc8406aebaff421ba5655ed6394c2766787986a7bd3869ccd8d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6009eab9d4cc8406aebaff421ba5655ed6394c2766787986a7bd3869ccd8d07", kill_on_drop: false }`
[INFO] [stdout] e6009eab9d4cc8406aebaff421ba5655ed6394c2766787986a7bd3869ccd8d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 42e2bb7562fd912e162551778dce90d14d4577be189e8234740eab786f10e33c
[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" "42e2bb7562fd912e162551778dce90d14d4577be189e8234740eab786f10e33c", 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] 
[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] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "42e2bb7562fd912e162551778dce90d14d4577be189e8234740eab786f10e33c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e2bb7562fd912e162551778dce90d14d4577be189e8234740eab786f10e33c", kill_on_drop: false }`
[INFO] [stdout] 42e2bb7562fd912e162551778dce90d14d4577be189e8234740eab786f10e33c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 203c0271868ccb99b01e7dadfce127cdc687905c0e141434be0d4ccc0f7edca1
[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" "203c0271868ccb99b01e7dadfce127cdc687905c0e141434be0d4ccc0f7edca1", kill_on_drop: false }`
[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] 
[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] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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] 
[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] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.89s
[INFO] running `Command { std: "docker" "inspect" "203c0271868ccb99b01e7dadfce127cdc687905c0e141434be0d4ccc0f7edca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203c0271868ccb99b01e7dadfce127cdc687905c0e141434be0d4ccc0f7edca1", kill_on_drop: false }`
[INFO] [stdout] 203c0271868ccb99b01e7dadfce127cdc687905c0e141434be0d4ccc0f7edca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d61a706b49493e50b194eefa24535e9d151586f022deff3ebb75909ac4fc2d99
[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" "d61a706b49493e50b194eefa24535e9d151586f022deff3ebb75909ac4fc2d99", 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] 
[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: 2 warnings emitted
[INFO] [stderr] 
[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] 
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/clargs-bf944c0b587a250a
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/a_tests-4787f24976f3d494
[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 8 tests
[INFO] [stdout] test a_test1 ... ok
[INFO] [stdout] test a_test2 ... ok
[INFO] [stdout] test a_test4 ... ok
[INFO] [stdout] test a_test3 ... ok
[INFO] [stdout] test a_test7 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dh_tests-cfb4009836b67195
[INFO] [stdout] test a_test5 ... ok
[INFO] [stdout] test a_test6 ... ok
[INFO] [stdout] test a_test8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test dh_test1 ... ok
[INFO] [stdout] test dh_test2 ... ok
[INFO] [stdout] test dh_test3 ... ok
[INFO] [stdout] test dh_test4 ... ok
[INFO] [stdout] test dh_test5 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dha_tests-4797aca2c34fc91d
[INFO] [stdout] test dh_test6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test dha_test1 ... ok
[INFO] [stdout] test dha_test2 ... ok
[INFO] [stdout] test dha_test4 ... ok
[INFO] [stdout] test dha_test3 ... ok
[INFO] [stdout] test dha_test6 ... ok
[INFO] [stdout] test dha_test7 ... ok
[INFO] [stdout] test dha_test5 ... ok
[INFO] [stdout] test dha_test8 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sh_tests-7262684eeb0a0c34
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test sh_test2 ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subcommand_tests-65c000686a4b2c3e
[INFO] [stdout] test sh_test10 ... ok
[INFO] [stdout] test sh_test1 ... ok
[INFO] [stdout] test sh_test11 ... ok
[INFO] [stdout] test sh_test3 ... ok
[INFO] [stdout] test sh_test12 ... ok
[INFO] [stdout] test sh_test8 ... ok
[INFO] [stdout] test sh_test7 ... ok
[INFO] [stdout] test sh_test13 ... ok
[INFO] [stdout] test sh_test5 ... ok
[INFO] [stdout] test sh_test6 ... ok
[INFO] [stdout] test sh_test4 ... ok
[INFO] [stdout] test sh_test9 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test subcommand_test1 ... ok
[INFO] [stdout] test subcommand_test4 ... ok
[INFO] [stdout] test subcommand_test3 ... ok
[INFO] [stdout] test subcommand_test2 ... ok
[INFO] [stdout] test subcommand_test5 ... ok
[INFO] [stdout] test subcommand_test7 ... ok
[INFO] [stderr]    Doc-tests clargs
[INFO] [stdout] test subcommand_test6 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 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] running `Command { std: "docker" "inspect" "d61a706b49493e50b194eefa24535e9d151586f022deff3ebb75909ac4fc2d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61a706b49493e50b194eefa24535e9d151586f022deff3ebb75909ac4fc2d99", kill_on_drop: false }`
[INFO] [stdout] d61a706b49493e50b194eefa24535e9d151586f022deff3ebb75909ac4fc2d99