[INFO] updating cached repository https://github.com/pkking/rust_toy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 9dce3f7a15f2d3e38c21536321c1b9dba190b70a
[INFO] testing pkking/rust_toy against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpkking%2Frust_toy" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pkking/rust_toy on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pkking/rust_toy
[INFO] finished tweaking git repo https://github.com/pkking/rust_toy
[INFO] tweaked toml for git repo https://github.com/pkking/rust_toy written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/pkking/rust_toy already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f085b199a990d96af8934e8fdefb3982366a5abb6c3abc44a444e956e3b29621
[INFO] running `"docker" "start" "-a" "f085b199a990d96af8934e8fdefb3982366a5abb6c3abc44a444e956e3b29621"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling pear_codegen v0.1.2
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling cookie v0.11.1
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling devise_codegen v0.2.0
[INFO] [stderr]    Compiling devise v0.2.0
[INFO] [stderr]    Compiling pear v0.1.2
[INFO] [stderr]    Compiling rocket_http v0.4.2
[INFO] [stderr]    Compiling dal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/flow/flow_err.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `flow` should have an upper camel case name
[INFO] [stderr]   --> src/app/flow/mod.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | trait flow<T:Debug>:Debug {
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Flow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/app/mod.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 ;
[INFO] [stderr]    |                 ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `item` should have an upper camel case name
[INFO] [stderr]  --> src/tlv/record.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct item<T:Debug> {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Item`
[INFO] [stderr] 
[INFO] [stderr] warning: type `record` should have an upper camel case name
[INFO] [stderr]   --> src/tlv/record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct record<T:Debug> {
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Record`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cause`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn from(cause: IoError) -> FlowErr {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cause`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cause`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn from(cause: Utf8Error) -> FlowErr {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cause`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Busy`
[INFO] [stderr]  --> src/app/flow/flow_err.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Busy,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeOut`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     TimeOut,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `"docker" "inspect" "f085b199a990d96af8934e8fdefb3982366a5abb6c3abc44a444e956e3b29621"`
[INFO] running `"docker" "rm" "-f" "f085b199a990d96af8934e8fdefb3982366a5abb6c3abc44a444e956e3b29621"`
[INFO] [stdout] f085b199a990d96af8934e8fdefb3982366a5abb6c3abc44a444e956e3b29621
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6ba21f49f401714a9aff3b9bd09ce3c1a22093bc96f08dc9347a1b8030255c98
[INFO] running `"docker" "start" "-a" "6ba21f49f401714a9aff3b9bd09ce3c1a22093bc96f08dc9347a1b8030255c98"`
[INFO] [stderr]    Compiling dal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/flow/flow_err.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `flow` should have an upper camel case name
[INFO] [stderr]   --> src/app/flow/mod.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | trait flow<T:Debug>:Debug {
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Flow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/app/mod.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 ;
[INFO] [stderr]    |                 ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `item` should have an upper camel case name
[INFO] [stderr]  --> src/tlv/record.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct item<T:Debug> {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Item`
[INFO] [stderr] 
[INFO] [stderr] warning: type `record` should have an upper camel case name
[INFO] [stderr]   --> src/tlv/record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct record<T:Debug> {
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Record`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cause`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn from(cause: IoError) -> FlowErr {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cause`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cause`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn from(cause: Utf8Error) -> FlowErr {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cause`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Busy`
[INFO] [stderr]  --> src/app/flow/flow_err.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Busy,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeOut`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     TimeOut,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `"docker" "inspect" "6ba21f49f401714a9aff3b9bd09ce3c1a22093bc96f08dc9347a1b8030255c98"`
[INFO] running `"docker" "rm" "-f" "6ba21f49f401714a9aff3b9bd09ce3c1a22093bc96f08dc9347a1b8030255c98"`
[INFO] [stdout] 6ba21f49f401714a9aff3b9bd09ce3c1a22093bc96f08dc9347a1b8030255c98
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 46b5b2c5b478293bde6c8819d8f486d949fb5a7828410d3a2b88732257fc5781
[INFO] running `"docker" "start" "-a" "46b5b2c5b478293bde6c8819d8f486d949fb5a7828410d3a2b88732257fc5781"`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app/flow/flow_err.rs:35:32
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `flow` should have an upper camel case name
[INFO] [stderr]   --> src/app/flow/mod.rs:10:7
[INFO] [stderr]    |
[INFO] [stderr] 10 | trait flow<T:Debug>:Debug {
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Flow`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]   --> src/app/mod.rs:26:17
[INFO] [stderr]    |
[INFO] [stderr] 26 |                 ;
[INFO] [stderr]    |                 ^ help: remove this semicolon
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `item` should have an upper camel case name
[INFO] [stderr]  --> src/tlv/record.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct item<T:Debug> {
[INFO] [stderr]   |            ^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Item`
[INFO] [stderr] 
[INFO] [stderr] warning: type `record` should have an upper camel case name
[INFO] [stderr]   --> src/tlv/record.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub struct record<T:Debug> {
[INFO] [stderr]    |            ^^^^^^ help: convert the identifier to upper camel case: `Record`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cause`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:43:13
[INFO] [stderr]    |
[INFO] [stderr] 43 |     fn from(cause: IoError) -> FlowErr {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cause`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cause`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn from(cause: Utf8Error) -> FlowErr {
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_cause`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Busy`
[INFO] [stderr]  --> src/app/flow/flow_err.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Busy,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `TimeOut`
[INFO] [stderr]   --> src/app/flow/flow_err.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     TimeOut,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dal-4222af20b497a123
[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" "46b5b2c5b478293bde6c8819d8f486d949fb5a7828410d3a2b88732257fc5781"`
[INFO] running `"docker" "rm" "-f" "46b5b2c5b478293bde6c8819d8f486d949fb5a7828410d3a2b88732257fc5781"`
[INFO] [stdout] 46b5b2c5b478293bde6c8819d8f486d949fb5a7828410d3a2b88732257fc5781