[INFO] updating cached repository https://github.com/parrottq/tworld
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] adf9f959c37573b18914e8885e1fdaf9e655017e
[INFO] testing parrottq/tworld against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparrottq%2Ftworld" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parrottq/tworld on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/parrottq/tworld
[INFO] finished tweaking git repo https://github.com/parrottq/tworld
[INFO] tweaked toml for git repo https://github.com/parrottq/tworld written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/parrottq/tworld already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 6fb8caa0b71020bc217f66bee204d3cac9c5e8dec2c95ea6205e61fc92d5b234
[INFO] running `"docker" "start" "-a" "6fb8caa0b71020bc217f66bee204d3cac9c5e8dec2c95ea6205e61fc92d5b234"`
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling tworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parsing.rs:120:22
[INFO] [stderr]     |
[INFO] [stderr] 120 |         reader: &mut FnMut(&mut Self) -> T,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> T`
[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.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |         sizer: &mut FnMut(&mut Self) -> G,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> G`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.03s
[INFO] running `"docker" "inspect" "6fb8caa0b71020bc217f66bee204d3cac9c5e8dec2c95ea6205e61fc92d5b234"`
[INFO] running `"docker" "rm" "-f" "6fb8caa0b71020bc217f66bee204d3cac9c5e8dec2c95ea6205e61fc92d5b234"`
[INFO] [stdout] 6fb8caa0b71020bc217f66bee204d3cac9c5e8dec2c95ea6205e61fc92d5b234
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d063e46dd8d4ac8168268ca3cb4e2bdd7dfb938013732f558c6cd1259eb28bc1
[INFO] running `"docker" "start" "-a" "d063e46dd8d4ac8168268ca3cb4e2bdd7dfb938013732f558c6cd1259eb28bc1"`
[INFO] [stderr]    Compiling tworld v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/parsing.rs:120:22
[INFO] [stderr]     |
[INFO] [stderr] 120 |         reader: &mut FnMut(&mut Self) -> T,
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> T`
[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.rs:121:21
[INFO] [stderr]     |
[INFO] [stderr] 121 |         sizer: &mut FnMut(&mut Self) -> G,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self) -> G`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:19:23
[INFO] [stderr]    |
[INFO] [stderr] 19 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:62:22
[INFO] [stderr]    |
[INFO] [stderr] 62 |         writer: &mut FnMut(&mut Self, T),
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, T)`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/writing.rs:63:23
[INFO] [stderr]    |
[INFO] [stderr] 63 |         counter: &mut FnMut(&mut Self, G),
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut(&mut Self, G)`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "d063e46dd8d4ac8168268ca3cb4e2bdd7dfb938013732f558c6cd1259eb28bc1"`
[INFO] running `"docker" "rm" "-f" "d063e46dd8d4ac8168268ca3cb4e2bdd7dfb938013732f558c6cd1259eb28bc1"`
[INFO] [stdout] d063e46dd8d4ac8168268ca3cb4e2bdd7dfb938013732f558c6cd1259eb28bc1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 1380c4a8e52e38d20bbb3fd68a0f67d50028b1ad87571a5b3805eab7245fe500
[INFO] running `"docker" "start" "-a" "1380c4a8e52e38d20bbb3fd68a0f67d50028b1ad87571a5b3805eab7245fe500"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tworld-64dabaacd80b32bb
[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 `"docker" "inspect" "1380c4a8e52e38d20bbb3fd68a0f67d50028b1ad87571a5b3805eab7245fe500"`
[INFO] running `"docker" "rm" "-f" "1380c4a8e52e38d20bbb3fd68a0f67d50028b1ad87571a5b3805eab7245fe500"`
[INFO] [stdout] 1380c4a8e52e38d20bbb3fd68a0f67d50028b1ad87571a5b3805eab7245fe500