[INFO] cloning repository https://github.com/playX18/mmtk-liballoc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/playX18/mmtk-liballoc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayX18%2Fmmtk-liballoc", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf60523f283a3a617e81f272f2d7425e902a3d59
[INFO] building playX18/mmtk-liballoc against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FplayX18%2Fmmtk-liballoc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/playX18/mmtk-liballoc
[INFO] finished tweaking git repo https://github.com/playX18/mmtk-liballoc
[INFO] tweaked toml for git repo https://github.com/playX18/mmtk-liballoc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/playX18/mmtk-liballoc on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
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[INFO] crate git repo https://github.com/playX18/mmtk-liballoc 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "inspect" "95e553062b85740d85e453d3f6e76de71307a74933f61a9ecfb8e07e7c945974", kill_on_drop: false }`
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[INFO] [stdout] ed93f17efbf3afcca17cdb0c0f9c2488eb9b10a7fb00294d630dbedcfc2e2b93
[INFO] running `Command { std: "docker" "start" "-a" "ed93f17efbf3afcca17cdb0c0f9c2488eb9b10a7fb00294d630dbedcfc2e2b93", kill_on_drop: false }`
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[INFO] [stderr] warning: swapstack@0.1.0: compiling swapstack_x86_64_sysv_elf_gas.S
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[INFO] [stderr]    Compiling mmtk-macros v0.29.0 (https://github.com/mmtk/mmtk-core#e8ff7c63)
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[INFO] [stderr] warning: vmkit-context@0.1.0: compiling make_x86_64_sysv_elf_gas.S
[INFO] [stderr] warning: vmkit-context@0.1.0: compiling ontop_x86_64_sysv_elf_gas.S
[INFO] [stderr] warning: vmkit-context@0.1.0: compiling jump_x86_64_sysv_elf_gas.S
[INFO] [stderr]    Compiling icu_provider v1.5.0
[INFO] [stderr]    Compiling icu_locid_transform v1.5.0
[INFO] [stderr]    Compiling icu_properties v1.5.1
[INFO] [stderr]    Compiling icu_normalizer v1.5.0
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[INFO] [stderr]    Compiling url v2.5.4
[INFO] [stderr]    Compiling git2 v0.19.0
[INFO] [stderr]    Compiling built v0.7.5
[INFO] [stderr]    Compiling mmtk v0.29.0 (https://github.com/mmtk/mmtk-core#e8ff7c63)
[INFO] [stderr]    Compiling vmkit v0.1.0 (/opt/rustwide/workdir/crates/vmkit)
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> crates/vmkit/src/mm/scanning.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |             let offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 205 |             let _offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |                 +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MAX_VTABLE_PTR`
[INFO] [stdout]     |
[INFO] [stdout] 205 -             let offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout] 205 +             let objectmodel::vtable::MAX_VTABLE_PTR = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> crates/vmkit/src/sync.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |         guard: MonitorGuard<'a, T, R, SAFEPOINT>,
[INFO] [stdout]    |                             -- the lifetime is named here
[INFO] [stdout] 55 |     ) -> (RecCount, &Self) {
[INFO] [stdout]    |                     ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ) -> (RecCount, &'a Self) {
[INFO] [stdout]    |                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "ed93f17efbf3afcca17cdb0c0f9c2488eb9b10a7fb00294d630dbedcfc2e2b93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed93f17efbf3afcca17cdb0c0f9c2488eb9b10a7fb00294d630dbedcfc2e2b93", kill_on_drop: false }`
[INFO] [stdout] ed93f17efbf3afcca17cdb0c0f9c2488eb9b10a7fb00294d630dbedcfc2e2b93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e312161fa9ade0cc471a20dcf05cd2169251a2cbb296d6e61df1c9d98dde1f9
[INFO] running `Command { std: "docker" "start" "-a" "4e312161fa9ade0cc471a20dcf05cd2169251a2cbb296d6e61df1c9d98dde1f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling vmkit-derive v0.1.0 (/opt/rustwide/workdir/crates/derive)
[INFO] [stderr] warning: swapstack@0.1.0: compiling swapstack_x86_64_sysv_elf_gas.S
[INFO] [stderr]    Compiling vmkit-bitfield v0.1.0 (/opt/rustwide/workdir/crates/bitfield)
[INFO] [stderr] warning: vmkit-context@0.1.0: compiling make_x86_64_sysv_elf_gas.S
[INFO] [stderr] warning: vmkit-context@0.1.0: compiling ontop_x86_64_sysv_elf_gas.S
[INFO] [stderr] warning: vmkit-context@0.1.0: compiling jump_x86_64_sysv_elf_gas.S
[INFO] [stderr]    Compiling vmkit-context v0.1.0 (/opt/rustwide/workdir/crates/context)
[INFO] [stderr]    Compiling vmkit v0.1.0 (/opt/rustwide/workdir/crates/vmkit)
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> crates/vmkit/src/mm/scanning.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |             let offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 205 |             let _offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |                 +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MAX_VTABLE_PTR`
[INFO] [stdout]     |
[INFO] [stdout] 205 -             let offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout] 205 +             let objectmodel::vtable::MAX_VTABLE_PTR = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> crates/vmkit/src/sync.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |         guard: MonitorGuard<'a, T, R, SAFEPOINT>,
[INFO] [stdout]    |                             -- the lifetime is named here
[INFO] [stdout] 55 |     ) -> (RecCount, &Self) {
[INFO] [stdout]    |                     ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ) -> (RecCount, &'a Self) {
[INFO] [stdout]    |                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> crates/vmkit/src/mm/scanning.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |             let offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 205 |             let _offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |                 +
[INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MAX_VTABLE_PTR`
[INFO] [stdout]     |
[INFO] [stdout] 205 -             let offset = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout] 205 +             let objectmodel::vtable::MAX_VTABLE_PTR = Address::from_ref(member) - self.source.to_raw_address();
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> crates/vmkit/src/sync.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 54 |         guard: MonitorGuard<'a, T, R, SAFEPOINT>,
[INFO] [stdout]    |                             -- the lifetime is named here
[INFO] [stdout] 55 |     ) -> (RecCount, &Self) {
[INFO] [stdout]    |                     ^^^^^ the same lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 55 |     ) -> (RecCount, &'a Self) {
[INFO] [stdout]    |                      ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.73s
[INFO] running `Command { std: "docker" "inspect" "4e312161fa9ade0cc471a20dcf05cd2169251a2cbb296d6e61df1c9d98dde1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e312161fa9ade0cc471a20dcf05cd2169251a2cbb296d6e61df1c9d98dde1f9", kill_on_drop: false }`
[INFO] [stdout] 4e312161fa9ade0cc471a20dcf05cd2169251a2cbb296d6e61df1c9d98dde1f9