[INFO] fetching crate sysfs-serde 0.2.1...
[INFO] testing sysfs-serde-0.2.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate sysfs-serde 0.2.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sysfs-serde 0.2.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sysfs-serde 0.2.1
[INFO] finished tweaking crates.io crate sysfs-serde 0.2.1
[INFO] tweaked toml for crates.io crate sysfs-serde 0.2.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate sysfs-serde 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", 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] e474d044aa9b893635e2f607f72c3ad62f7d1ed0793c516741f75ccc1b4baacc
[INFO] running `Command { std: "docker" "start" "-a" "e474d044aa9b893635e2f607f72c3ad62f7d1ed0793c516741f75ccc1b4baacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e474d044aa9b893635e2f607f72c3ad62f7d1ed0793c516741f75ccc1b4baacc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e474d044aa9b893635e2f607f72c3ad62f7d1ed0793c516741f75ccc1b4baacc", kill_on_drop: false }`
[INFO] [stdout] e474d044aa9b893635e2f607f72c3ad62f7d1ed0793c516741f75ccc1b4baacc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] f0eef657b8db51d565940eaa613b38f5fe64e477f28e93f707e2dbc8bde7b996
[INFO] running `Command { std: "docker" "start" "-a" "f0eef657b8db51d565940eaa613b38f5fe64e477f28e93f707e2dbc8bde7b996", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling sysfs-serde v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.46s
[INFO] running `Command { std: "docker" "inspect" "f0eef657b8db51d565940eaa613b38f5fe64e477f28e93f707e2dbc8bde7b996", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0eef657b8db51d565940eaa613b38f5fe64e477f28e93f707e2dbc8bde7b996", kill_on_drop: false }`
[INFO] [stdout] f0eef657b8db51d565940eaa613b38f5fe64e477f28e93f707e2dbc8bde7b996
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 6a4fd31870c7ddec5d3893228d771219042f777587f1f6d671b5bfe53e65d418
[INFO] running `Command { std: "docker" "start" "-a" "6a4fd31870c7ddec5d3893228d771219042f777587f1f6d671b5bfe53e65d418", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling sysfs-serde v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.25s
[INFO] running `Command { std: "docker" "inspect" "6a4fd31870c7ddec5d3893228d771219042f777587f1f6d671b5bfe53e65d418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4fd31870c7ddec5d3893228d771219042f777587f1f6d671b5bfe53e65d418", kill_on_drop: false }`
[INFO] [stdout] 6a4fd31870c7ddec5d3893228d771219042f777587f1f6d671b5bfe53e65d418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 399e61615db31d5a270ca367dd81b0f996b206738d3ee4ce332bf8f54d4379dc
[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" "399e61615db31d5a270ca367dd81b0f996b206738d3ee4ce332bf8f54d4379dc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sysfs_serde-1dd26494b5b3f47c
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sysfs-serde
[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] [stderr] error[E0659]: `sysfs_serde` is ambiguous (name vs any other name during import resolution)
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub use sysfs_serde::*;
[INFO] [stderr]   |         ^^^^^^^^^^^ ambiguous name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `sysfs_serde` could refer to a crate passed with `--extern`
[INFO] [stderr]   = help: use `::sysfs_serde` to refer to this crate unambiguously
[INFO] [stderr] note: `sysfs_serde` could also refer to the module defined here
[INFO] [stderr]  --> /opt/rustwide/workdir/src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub mod sysfs_serde;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   = help: use `crate::sysfs_serde` to refer to this module unambiguously
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0659`.
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "399e61615db31d5a270ca367dd81b0f996b206738d3ee4ce332bf8f54d4379dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "399e61615db31d5a270ca367dd81b0f996b206738d3ee4ce332bf8f54d4379dc", kill_on_drop: false }`
[INFO] [stdout] 399e61615db31d5a270ca367dd81b0f996b206738d3ee4ce332bf8f54d4379dc