[INFO] fetching crate shm-fd 0.5.0...
[INFO] testing shm-fd-0.5.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate shm-fd 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate shm-fd 0.5.0
[INFO] finished tweaking crates.io crate shm-fd 0.5.0
[INFO] tweaked toml for crates.io crate shm-fd 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate shm-fd 0.5.0 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate shm-fd 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memfile v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f573812b441c19e3488916bd0882255a9e2968420783a75ccfc8fa83153e60ab
[INFO] running `Command { std: "docker" "start" "-a" "f573812b441c19e3488916bd0882255a9e2968420783a75ccfc8fa83153e60ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f573812b441c19e3488916bd0882255a9e2968420783a75ccfc8fa83153e60ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f573812b441c19e3488916bd0882255a9e2968420783a75ccfc8fa83153e60ab", kill_on_drop: false }`
[INFO] [stdout] f573812b441c19e3488916bd0882255a9e2968420783a75ccfc8fa83153e60ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 967f22d64ebad896072320e34bfd10232fb73c854cdb064c178f7d6e82c7b525
[INFO] running `Command { std: "docker" "start" "-a" "967f22d64ebad896072320e34bfd10232fb73c854cdb064c178f7d6e82c7b525", kill_on_drop: false }`
[INFO] [stderr]    Compiling shm-fd v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/listenfd.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub enum Error {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/op.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Stat {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 29 |     pub st_mode: u32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 30 |     pub st_uid: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub st_gid: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 32 |     pub st_size: OffT,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 33 |     pub st_blksize: BlkSizeT,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 34 |     pub st_blocks: BlkCntT,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 35 |     pub st_atime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     pub st_atime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 37 |     pub st_mtime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 38 |     pub st_mtime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 39 |     pub st_ctime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 40 |     pub st_ctime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `close` is never read
[INFO] [stdout]   --> src/op.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct ShmVTable {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 54 |     pub fstat: fn(c_int, Option<&mut Stat>) -> c_int,
[INFO] [stdout] 55 |     pub close: fn(c_int) -> c_int,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "967f22d64ebad896072320e34bfd10232fb73c854cdb064c178f7d6e82c7b525", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "967f22d64ebad896072320e34bfd10232fb73c854cdb064c178f7d6e82c7b525", kill_on_drop: false }`
[INFO] [stdout] 967f22d64ebad896072320e34bfd10232fb73c854cdb064c178f7d6e82c7b525
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9dad5748f8c59b1e41ad551e1c2322e804293569624093f6ab8ba91391854f68
[INFO] running `Command { std: "docker" "start" "-a" "9dad5748f8c59b1e41ad551e1c2322e804293569624093f6ab8ba91391854f68", kill_on_drop: false }`
[INFO] [stderr]    Compiling shm-fd v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/listenfd.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub enum Error {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/op.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Stat {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 29 |     pub st_mode: u32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 30 |     pub st_uid: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub st_gid: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 32 |     pub st_size: OffT,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 33 |     pub st_blksize: BlkSizeT,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 34 |     pub st_blocks: BlkCntT,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 35 |     pub st_atime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     pub st_atime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 37 |     pub st_mtime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 38 |     pub st_mtime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 39 |     pub st_ctime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 40 |     pub st_ctime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `close` is never read
[INFO] [stdout]   --> src/op.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct ShmVTable {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 54 |     pub fstat: fn(c_int, Option<&mut Stat>) -> c_int,
[INFO] [stdout] 55 |     pub close: fn(c_int) -> c_int,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]   --> src/listenfd.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub enum Error {
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/op.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Stat {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 29 |     pub st_mode: u32,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 30 |     pub st_uid: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 31 |     pub st_gid: u32,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 32 |     pub st_size: OffT,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 33 |     pub st_blksize: BlkSizeT,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 34 |     pub st_blocks: BlkCntT,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 35 |     pub st_atime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 36 |     pub st_atime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 37 |     pub st_mtime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 38 |     pub st_mtime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 39 |     pub st_ctime: TimeT,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 40 |     pub st_ctime_nsec: i64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `close` is never read
[INFO] [stdout]   --> src/op.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct ShmVTable {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 54 |     pub fstat: fn(c_int, Option<&mut Stat>) -> c_int,
[INFO] [stdout] 55 |     pub close: fn(c_int) -> c_int,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "9dad5748f8c59b1e41ad551e1c2322e804293569624093f6ab8ba91391854f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dad5748f8c59b1e41ad551e1c2322e804293569624093f6ab8ba91391854f68", kill_on_drop: false }`
[INFO] [stdout] 9dad5748f8c59b1e41ad551e1c2322e804293569624093f6ab8ba91391854f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d5c953199c961374f01034cb10dfe518ee6313eb216926f2f3d0cbc085bd05b8
[INFO] running `Command { std: "docker" "start" "-a" "d5c953199c961374f01034cb10dfe518ee6313eb216926f2f3d0cbc085bd05b8", kill_on_drop: false }`
[INFO] [stderr] warning: enum `Error` is never used
[INFO] [stderr]   --> src/listenfd.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 | pub enum Error {
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/op.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub struct Stat {
[INFO] [stderr]    |            ---- fields in this struct
[INFO] [stderr] 29 |     pub st_mode: u32,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 30 |     pub st_uid: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 31 |     pub st_gid: u32,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 32 |     pub st_size: OffT,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 33 |     pub st_blksize: BlkSizeT,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 34 |     pub st_blocks: BlkCntT,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 35 |     pub st_atime: TimeT,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 36 |     pub st_atime_nsec: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 37 |     pub st_mtime: TimeT,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 38 |     pub st_mtime_nsec: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 39 |     pub st_ctime: TimeT,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 40 |     pub st_ctime_nsec: i64,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `close` is never read
[INFO] [stderr]   --> src/op.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 53 | pub struct ShmVTable {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] 54 |     pub fstat: fn(c_int, Option<&mut Stat>) -> c_int,
[INFO] [stderr] 55 |     pub close: fn(c_int) -> c_int,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `shm-fd` (lib) generated 3 warnings
[INFO] [stderr] warning: `shm-fd` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/shm_fd-3d519cf6a7b04c02)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d5c953199c961374f01034cb10dfe518ee6313eb216926f2f3d0cbc085bd05b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5c953199c961374f01034cb10dfe518ee6313eb216926f2f3d0cbc085bd05b8", kill_on_drop: false }`
[INFO] [stdout] d5c953199c961374f01034cb10dfe518ee6313eb216926f2f3d0cbc085bd05b8