[INFO] crate my-pretty-failure 0.1.2 is already in cache
[INFO] testing my-pretty-failure-0.1.2 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate my-pretty-failure 0.1.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate my-pretty-failure 0.1.2 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate my-pretty-failure 0.1.2
[INFO] finished tweaking crates.io crate my-pretty-failure 0.1.2
[INFO] tweaked toml for crates.io crate my-pretty-failure 0.1.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee36f113d23271aef2fa3954b4ca9b6ea902e473e72a2dd63650f0dedd877c23
[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" "ee36f113d23271aef2fa3954b4ca9b6ea902e473e72a2dd63650f0dedd877c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee36f113d23271aef2fa3954b4ca9b6ea902e473e72a2dd63650f0dedd877c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee36f113d23271aef2fa3954b4ca9b6ea902e473e72a2dd63650f0dedd877c23", kill_on_drop: false }`
[INFO] [stdout] ee36f113d23271aef2fa3954b4ca9b6ea902e473e72a2dd63650f0dedd877c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2a8bee44a0ad6b650dcfbe5f7f321bf79ece48f8cdc56a8441d4cdde2dd1a09
[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" "d2a8bee44a0ad6b650dcfbe5f7f321bf79ece48f8cdc56a8441d4cdde2dd1a09", kill_on_drop: false }`
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling my-pretty-failure v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:68
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String {
[INFO] [stdout]    |                                                                    ^^^^ help: use `dyn`: `dyn Fail`
[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:121:31
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn myprettyfailure(fail: &Fail) -> String {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "d2a8bee44a0ad6b650dcfbe5f7f321bf79ece48f8cdc56a8441d4cdde2dd1a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a8bee44a0ad6b650dcfbe5f7f321bf79ece48f8cdc56a8441d4cdde2dd1a09", kill_on_drop: false }`
[INFO] [stdout] d2a8bee44a0ad6b650dcfbe5f7f321bf79ece48f8cdc56a8441d4cdde2dd1a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--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] fdd207161f035f5b47a482b0c3dc994e350aeaae0585bfb0c576532146d7e37b
[INFO] running `Command { std: "docker" "start" "-a" "fdd207161f035f5b47a482b0c3dc994e350aeaae0585bfb0c576532146d7e37b", kill_on_drop: false }`
[INFO] [stderr]    Compiling my-pretty-failure v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:68
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String {
[INFO] [stdout]    |                                                                    ^^^^ help: use `dyn`: `dyn Fail`
[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:121:31
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn myprettyfailure(fail: &Fail) -> String {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Fail`
[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]   --> examples/helpme.rs:41:32
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[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]   --> examples/helpme.rs:89:32
[INFO] [stdout]    |
[INFO] [stdout] 89 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> examples/helpme.rs:137:32
[INFO] [stdout]     |
[INFO] [stdout] 137 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stdout]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:86:68
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String {
[INFO] [stdout]    |                                                                    ^^^^ help: use `dyn`: `dyn Fail`
[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:121:31
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub fn myprettyfailure(fail: &Fail) -> String {
[INFO] [stdout]     |                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> tests/0001_myprettyfailure.rs:13:52
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Fail for MyError { fn cause(&self) -> Option<&Fail> { self.inner.cause()} fn backtrace(&self) -> Option<&Backtrace> {self.inner.back...
[INFO] [stdout]    |                                                    ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "fdd207161f035f5b47a482b0c3dc994e350aeaae0585bfb0c576532146d7e37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd207161f035f5b47a482b0c3dc994e350aeaae0585bfb0c576532146d7e37b", kill_on_drop: false }`
[INFO] [stdout] fdd207161f035f5b47a482b0c3dc994e350aeaae0585bfb0c576532146d7e37b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b10d052edacd50b6372d206b7ef3aa5200131a578ed879956f8229a385f7f613
[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" "b10d052edacd50b6372d206b7ef3aa5200131a578ed879956f8229a385f7f613", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:86:68
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String {
[INFO] [stderr]    |                                                                    ^^^^ help: use `dyn`: `dyn Fail`
[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:121:31
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub fn myprettyfailure(fail: &Fail) -> String {
[INFO] [stderr]     |                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:86:68
[INFO] [stderr]    |
[INFO] [stderr] 86 | pub fn myprettyfailure_option(option: MyPrettyFailurePrint, fail: &Fail) -> String {
[INFO] [stderr]    |                                                                    ^^^^ help: use `dyn`: `dyn Fail`
[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:121:31
[INFO] [stderr]     |
[INFO] [stderr] 121 | pub fn myprettyfailure(fail: &Fail) -> String {
[INFO] [stderr]     |                               ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/0001_myprettyfailure.rs:13:52
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Fail for MyError { fn cause(&self) -> Option<&Fail> { self.inner.cause()} fn backtrace(&self) -> Option<&Backtrace> {self.inner.back...
[INFO] [stderr]    |                                                    ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/helpme.rs:41:32
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[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]   --> examples/helpme.rs:89:32
[INFO] [stderr]    |
[INFO] [stderr] 89 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]    |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> examples/helpme.rs:137:32
[INFO] [stderr]     |
[INFO] [stderr] 137 |     fn cause(&self) -> Option<&Fail> {
[INFO] [stderr]     |                                ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/my_pretty_failure-6175b32eb878c881
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/0001_myprettyfailure-be6408f0a3ae7932
[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 2 tests
[INFO] [stdout] test myprettyfailure_0001_equal ... ok
[INFO] [stdout] test myprettyfailure_0002_option ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests my-pretty-failure
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 13) ... ignored
[INFO] [stdout] test src/lib.rs - (line 35) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b10d052edacd50b6372d206b7ef3aa5200131a578ed879956f8229a385f7f613", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b10d052edacd50b6372d206b7ef3aa5200131a578ed879956f8229a385f7f613", kill_on_drop: false }`
[INFO] [stdout] b10d052edacd50b6372d206b7ef3aa5200131a578ed879956f8229a385f7f613